Lead Java Developer

Business Unit: FTSE Russell - Index Platform
Company: London Stock Exchange Group (LSEG)

About the Role

We are seeking a highly skilled and hands - on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams.

This is a deeply technical role focused on designing, building, integrating, and operationalising modern software and AI driven capabilities across internal platforms and client facing products. You will work with innovative technologies, contribute to complex algorithmic design, and drive engineering excellence in a high performance , data intensive environment.

Key Responsibilities

Core Engineering & Platform Delivery

• Design, develop, and maintain complex Java and Python applications using modern engineering practices. Build / embed AI powered features into mission critical systems.

• Architect and enhance services that support large scale , performance critical index computations.

• Collaborate with Product Managers, UX, and engineering teams globally to deliver high quality products.

• Lead projects end - to - end through requirements, design, development, testing, deployment, and operations.

• Build and maintain automated test suites to ensure performance, scalability, and security.

• Diagnose production issues, identify root causes, and deliver Level 3 support and fixes.

• Conduct peer reviews, provide technical leadership, and mentor junior engineers.

Required Experience & Skills

• 12+ years of hands - on backend software engineering experience.

• Support the organisation’s AI adoption journey . Develop and enhance intelligent solutions using LLMs, LangChain / LangGraph , and agentic AI frameworks.

• Establish engineering best practices for safe, scalable, traceable and production ready AI deployments across internal platforms and external product suites.

• Strong algorithms, data structures, problem solving skills , and ability to translate business problems into scalable solutions.

• Good command of coding standards and Strong understanding of both high level and low level software design

• Expertise in:

• Core Java , Python

• Building highly distributed, data intensive systems

• Microservices, REST APIs

• RDBMS (Oracle/SQL Server/Postgres)

• CI/CD tools (Jenkins/GitLab), DevOps automation

• Docker, Kubernetes

• JVM profiling & performance optimisation

• Prior exposure to Level 3 production support.

Preferred / Nice-to-Have Skills

• Experience leading or mentoring a team of engineers .

• Experience within financial services or with financial market data.

• Familiarity with in - memory caching, Spring Boot, Redis, Kafka.

• Experience with BDD frameworks such as Cucumber, JBehave , or Karate.

• Experience running Agile teams.

What We’re Looking For

A proactive , creative engineering leader who enjoys solving complex problems, working hands - on with modern technologies, and driving AI enabled innovation. If you’re passionate about building resilient, intelligent, data intensive systems that power global financial markets, we’d love to hear from you.

Benefits

We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career!

We enhance each employee’s potential through personal development through a wide range of learning tools both formal and informal.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

Career Stage:
Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Senior Software Engineer – Data Engineering

Contract duration:- 6 months initially (with extension available for the right person)

Location:- London EC4

Hybrid working:3 days per week in office + 2 days WFH

Rate: £650 inside IR35

Join our Data Engineering team at the heart of a quantitative investment firm, powering the infrastructure which drives our systematic trading strategies and cutting-edge discretionary research. You’ll help architect a multi-petabyte scale estate, processing billions of datapoints daily from thousands of data sources. Our stack combines Java and Python, with foundations of Kafka, ArcticDB, MongoDB, and more.

What you bring to the role

• Experience working with large scale messaging and downsampling solutions
• Strong academic record and a degree with high mathematical and computing content e.g. Computer Science, Mathematics, Engineering or Physics
• 5-7 years of professional experience in software engineering with Java or Python as your primary language and knowledge of both
• Proficient on Linux platforms and strong understanding of Git
• Deep knowledge of one or more relevant database technologies such as Iceberg, Postgres, or MongoDB
• Strong problem-solving skills and attention to detail
• Strong communication and collaboration abilities
• Ability to work independently and gather requirements from stakeholders

Advantageous to have

• Familiarity with distributed systems and orchestration

• Experience with performance optimization and large-scale data processing

• Contributions to open-source projects

• Experience working with Large Language Models (LLMs)

My client, one of the world’s leading hedge funds, is in search of an experienced Quantitative Developer to join them in a team-lead capacity. This role requires technical and managerial skills with an emphasis on hands-on work. This leader would set technical direction and provide guidance to a small team of Quantitative Developers. The ideal candidate is passionate about designing, architecting, and implementing low-latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. This team works directly with the firm’s central trading teams, and by leading the construction and maintenance of this high-performance infrastructure, this Team Lead will enable new trading opportunities across businesses and regions, ensuring the best possible execution performance.

Job Duties

• Lead, mentor, and manage a team of quantitative developers, fostering a collaborative and high-performance culture.
• Development of execution algorithms, order management systems, strategy containers, connectivity, and messaging systems.
• Work directly with central trading teams to optimize the firm’s overall execution performance.
• Enhance the platform’s efficiency by utilizing network and systems programming, along with other advanced techniques to reduce latency.
• Create systems, interfaces, and tools for historical market data and trading simulations to boost research productivity and system testability.
• Assist in building and maintaining automated tests, performance benchmark framework, and other tools.
• Collaborate closely with trading teams to gather requirements and develop solutions in a fast-paced environment.

Qualifications

• Bachelor’s degree or higher in Computer Science, Engineering, or a related quantitative field.
• 12+ years of cumulative professional experience in software development.
• 7+ years of professional experience in a front-office, financial services environment, with a proven track record as a senior contributor or technical lead.
• Strong background in data structures, algorithms, and object-oriented programming in C++, including:
  • Proficiency with new features of C++17 and C++20
  • Proficiency with multithreading and asynchronous environments
• Strong understanding of low-latency and real-time system design and implementation.
• Strong understanding of Linux system internals and networking.
• Strong financial experience across multiple asset classes, with a focus on real-time low-latency trading systems for equities and futures.
• Familiarity with python for quantitative research and data-oriented processing.
• Familiarity with analysis of execution algorithm performance.

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like more information, please get in touch:

George Hutchinson-Binks
george.hutchinson-binks@oxfordknight.co.uk
(+44) 07885 545220
linkedin.com/in/george-hutchinson-binks-a62a69252

Salary: up to £200k base + bonus

Summary

Fantastic opportunity for an experienced engineer to lead a brand-new data engineering team at this tech-savvy algorithmic trading firm. A very hands-on tech lead, you’ll be building a new system for processing and managing daily data that is used company-wide (including corporate actions, fundamentals, and index membership data).

Your focus will be collating the data most critical to the business, now and in the future, to ensure there is a singular, clean, easy-to-access & well-integrated data repository. As the owner of the firm’s daily data, you will be expected to anticipate the business’s needs so that the normalised data schema is minimal yet sufficient.

This firm uses Go for much of their software - prior Go experience is not necessary (but you must be be willing to learn and integrate with the existing software stack as necessary).

Requirements

• Several years of experience working with financial data; knowledge of the subtleties of corporate actions will be crucial
• Strong and confident programmer in Java, C++, Go, or other statically typed language.
• Solid understanding of data analysis and statistics required to ensure sufficiently clean data, and some knowledge of statistics/basic ML would be highly beneficial

NB: Please don’t apply if you are a fresh graduate.

Benefits

• Generous compensation package - you are making a direct impact on the PnL
• Flat hierarchy, focus on teamwork, where people are rewarded on merit and excellence
• Outstanding benefits, including onsite gym/sauna/fitness classes, extensive medical cover, and excellent professional development opportunities
• Autonomy to work in the manner and using the software & hardware that you see fit

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you or you’d like to know more, please get in touch:

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth.

This position sits in the Cloud Infrastructure team in London, and requires deep-level expertise in AWS services & infrastructure as this team builds cloud platforms to support trading and research. You’ll liaise with development, trading and operations teams in order to design, build and deliver secure, reliable and scalable cloud solutions for digital asset and crypto-related systems.

The successful cloud engineer will be a highly skilled communicator, happy to facilitate collaboration between engineering and the business to ensure the smooth and efficient running of cloud-based applications and tools.

Requirements

• Extensive experience with AWS services (e.g. EC2, S3, VPC and related components)
• Proficiency in scripting languages, e.g. Python or Bash, for automation
• Strong understanding of CI/CD principles & pipelines using tools, such as Jenkins or GitLab CI
• Experience with infrastructure-as-code tools (Terraform, CloudFormation or AWS CDK)
• Hands-on experience with distributed computing systems and processing large datasets
• Practical experience with containerisation and orchestration (Docker, Kubernetes)

Benefits

• Great opportunity to be part of a collaborative, creative environment where you can feel valued for your input
• Competitive salary + generous benefits
• Professional and personal development
• Relaxed, casual culture, with a healthy work-life balance

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you think you are a strong match for this job description, please do not hesitate to get in touch!

Amy Gandhi
amy.gandhi@oxfordknight.co.uk
Tel: +44 (0) 203 475 5019
linkedin.com/in/amy-gandhi-122b55109

Salary: up to £200k + bonus

Summary

Leading global quant firm is looking for a pragmatic data engineer with experience of ETL/ELT pipelines to join the Vendor Data Group. Despite serving as the hub for managing the substantial operations across the UK, Europe and the Middle East, the London office retains a lively, positive environment of a start-up with the stability of a longer-established player.

You will be joining a very dynamic environment offering exposure to all aspects of the firm, as you collaborate with one of the trading teams to build and maintain mission-critical data integration pipelines and associated tools for alternative commodity and macro data. You’ll develop scalable data architectures and enhance data processing while optimizing workflows.

Here, technology is viewed as crucial to their continued success. The successful Senior Data Engineer will be passionate about data accuracy, and able to solve difficult technical problems in a real-time environment.

Requirements

• At least 3+ years’ experience as a Data Engineer
• Proficient in Python development, Devops, and Linux environments
• Expert-level experience in data pipeline development, specifically ETL/ELT pipelines
• Familiarity with data analytics tools and libraries, e.g. Pandas and NumPy

Preferred

• Commodities and Macro alternative/fundamental data experience
• Skilled with relational and non-relational database management

NB: Please don’t apply if you’re a fresh graduate.

Benefits

• Competitive base salary & bonus
• Enormous opportunity to grow, learn and have a significant business impact
• Contributions are rewarded; career progression supported
• Substantial benefits package, including private medical, paid parental leave, group life assurance & parking/cycle schemes

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like to know more, please get in touch:

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Our client is a successful and consistently growing business within the health & beauty, personal care and gift sectors, supplying both independent and major retailers, globally, with their fantastic range of products. With an impressive growth strategy in place, this is an incredibly exciting time to join this fast paced, dynamic and energetic business. The role: Due to continued growth, they are seeking a new Product Developer to work alongside their creative Product Development team across a number of well-respected brands and categories. As a Product Developer you will be at the forefront of bringing the latest innovations to the companys customers, working closely with suppliers and internal teams to develop and launch new products with leading retailers such as Sainsburys, Morrisons, New Look, Primark, TKMaxx and more. You will be joining the business at an exciting time - having grown year on year for the past several years, this role offers huge opportunity to contribute to the business continued growth and expansion. Salary:upto £50,000 (DOE) + Bonus The person: The ideal candidate will have a passion for the beauty industry with previous experience in a product development role within the health & beauty sector (ideally within wet line products: skin, hair or body care and particularly for discount/off price retailers). You will be detail oriented, commercially focussed with demonstratable experience of costing and negotiation tactics and thrive in a fast-paced environment. This is a great role for a team player with a positive, can-do attitude who is passionate about innovation and staying ahead of trends. You will have a keen interest in the beauty and gifting sector with an eye on new opportunities and exciting industry updates. You should live within a commutable distance to central London, to be in the office 3 days per week. Contact: Consultant: Rina Gokani Reference: RG/102701 Tel: 01275 813027 Candidate care: By responding to this advert you consent to Cavendish Maine processing the personal data included within this application. If your application is successful we will contact you to discuss the opportunity in more detail, within 48 hours of receiving your application. Should you not hear from us within 3 working days please assume your application has been unsuccessful on this occasion. Please be advised that if unsuccessful for this role we may keep your details in our hold file, during which time you may be contacted for other suitable vacancies. If you do not want us to do this please call us to advise. In the meantime, we would like to thank you for your interest in Cavendish Maine.

City of London

Permanent, Full-time - Onsite

Who we are:

We are an energy trading company generating liquidity across global commodities markets. We combine deep trading expertise with proprietary technology and the power of data science to be the best-in-class. Our understanding of volatile, data-intensive markets is a key part of our edge.

At Dare, you will be joining a team of ambitious individuals who challenge themselves and each other. We have a culture of empowering exceptional people to become the best version of themselves.

What you’ll be doing:

The Quantitative Researcher is a key role within the algorithmic technical space at Dare. Working closely with a talented algorithmic and technical team to build a platform that delivers ML capabilities to our Liquidity trading teams. These teams are responsible for delivering products for internal customers. Setting and delivering a consistent, scalable approach to machine learning across the organisation is one of the key success criteria for this role. The role requires building relationships and collaborating with Senior Leaders across the business to shape a strategy that delivers models that provide our traders with a competitive edge.

• Using Dare’s proprietary trading data and models to drive trading PNL.
• Developing trading indicators and strategies powered by machine learning.
• Partnering with quantitative research and algorithmic trading technology teams.
• Collaborating with the CEO and other senior stakeholders to combine domain knowledge with engineering expertise.

What you’ll bring

• 3+ years experience in machine learning algorithms, software engineering, and data mining models, with large language modelling (LLM) experience being advantageous.
• A background in maths, statistics, and algorithms, with the capability to write robust scalable Python code.
• A strong understanding of the mathematical and statistical fundamentals on which the ML methods are based. We want someone who understands the methods rather than just calling functions from existing ML packages.
• Experience with production data processing. That includes data manipulation, data cleansing, aggregation, efficient (pre-)processing, etc.
• Experience with time-series data, including storage and management.
• A strong understanding through the usage of machine learning frameworks (TenserFlow, PyTorch, sci-kit-learn, Huggingface).
• Ability to work with analytical teams to build dashboards that prove the value of the machine learning capabilities as we deliver models to our production environments.

Desirable:

• Experience working with real-time data systems.
• Experience working with cloud-based solutions.

Benefits & perks:

• Competitive salary
• Vitality health insurance and dental cover
• 38 days of holiday (including bank holidays)
• Pension scheme
• Annual Bluecrest health checks
• A personal learning & development budget of £5000
• Free gym membership
• Specsavers vouchers
• Enhanced family leave
• Cycle to Work scheme
• Credited Deliveroo dinner account
• Office massage therapy
• Freshly served office breakfast twice a week
• Fully stocked fridge and pantry
• Social events and a games room

Diversity matters:

We believe in a workplace where our people can fulfill their potential, whatever their background or whomever they are. We celebrate the breadth of experience and see this as critical to problem-solving and to Dare thriving as a business. Our culture rewards curiosity and drive, so the best ideas triumph and everyone here can make an impact.

Please let us know ahead of the interview and testing processes if you require any reasonable adjustments or assistance during the application process.

We’re also proud to be certified a ‘Great Place to Work’.

• Inside IR35 Contract - Up to £850 per day
• 3 Days per Week in London
• 6-Month Initial Contract (2 Years+ Project Scope)
• Start Date : April 2026

We are working alongside a leading Commodities Trading Firm who are searching for a Senior Data Engineer to join the business. You’ll be building pipelines to support their trading and analytics platforms!

Project & Responsibilities

• Design and develop scalable Python-based data pipelines using Dagster to ingest, transform and integrate datasets into the enterprise data platform.
• Build ingestion frameworks to extract data from internal systems, trading platforms, APIs, and external providers, supporting both batch and real-time data flows .
• Implement streaming data integrations using Apache Kafka to enable event-driven processing and near real-time analytics.
• Land and manage curated datasets within AWS storage environments, ensuring data integrity, scalability and cost efficiency.
• Apply strong data governance practices including validation, lineage tracking, schema consistency and secure access controls across the data platform.
• Ensure production stability and operational reliability of data pipelines through monitoring, alerting, logging and proactive incident management.
• Break down complex data integration initiatives into structured technical deliverables, defining implementation strategies and mitigating delivery risks.
• Provide engineering leadership through code reviews, CI/CD best practices, mentoring engineers and promoting scalable, maintainable data platform solutions.

Technical Skill Set Required

• Strong Python data engineering experience , including orchestration with Dagster , advanced SQL , and data modelling.
• Experience building streaming and event-driven pipelines using Apache Kafka and integrating heterogeneous data sources.
• Solid background operating cloud-native data platforms on Amazon Web Services , with CI/CD, version control and production operations experience.

About Caxton Associates: Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit the specific needs of investors. Employing a multi-portfolio manager framework, Caxton excels in discretionary global macro investing, leveraging its diversified expertise across asset classes and markets. About the role: We are seeking a Database Engineer to join our London-based technology team. This is a hands-on role focused on design, development, and optimisation of the firm’s core data platforms. You will play a key role in shaping and scaling the firm’s data platform, directly supporting trading and investment decision-making. The role requires strong technical expertise, attention to data quality, and the ability to operate in a fast-paced, business-critical environment. Responsibilities: 1. Collaborate with Technology, Quant, and Risk teams to deliver data solutions for reporting and analytics 2. Design and implement scalable database schemas, tables, indexes, and stored procedures 3. Develop and maintain Python ETL pipelines for trade, position, and pricing data 4. Build and support reporting and visualization solutions using Tableau 5. Ensure data integrity, security, and high availability across production and non-production environments 6. Monitor and optimize database performance (query tuning, indexing, execution plans) 7. Work with AWS services (RDS, Aurora, S3) to build scalable, resilient data platforms 8. Perform database maintenance, including backups, recovery, and integrity checks 9. Implement database security best practices, including user permissions and roles 10. Create and maintain detailed documentation of database structures, processes, and best practices Experience: 1. At least 5 years experience working with relational databases 2. Strong SQL skills, including T-SQL, stored procedures, views, and functions 3. Proven experience in database design (normalisation, optimisation, indexing strategies) 4. Solid experience in performance tuning and troubleshooting database issues 5. Experience with data visualisation tools (e.g. Tableau or similar) 6. Experience using Python for data processing, automation, and ETL workflows 7. Familiarity with CI/CD pipelines and version control (Git) 8. Practical experience with database administration (backups, restores, security, DR) 9. Experience with AWS cloud services (RDS, Aurora, S3) 10. Familiarity with financial services environments is a plus 11. Displays and operates at the highest degree of ethics and integrity.

Summary

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class software engineers to help build on their success.

This is a pivotal role, where your primary focus will be building the firm’s real-time event processing system (i.e. clearing sub-ledger). This will involve designing, developing and maintaining the core infrastructure & systems for the prime brokerage platform, including trade execution, position management, risk monitoring, and reporting modules.

Responsibilities

• Build robust systems for managing the entire trade lifecycle, from order routing & execution to settlement & reconciliation.
• Identify performance bottlenecks and optimize system components for maximum throughput, low latency, and high reliability.
• Draw on your knowledge and experience to support your team in making diligent & sound architectural decisions, upholding the highest bar for quality.

Requirements

• 8+ years’ in software development/engineering experience
• Strong programming skills in Java, C++, or Python
• Familiarity with industry-standard technologies and protocols, e.g. FIX protocol, market data feeds, OMS
• Experience with distributed systems and high-throughput services
• Background in real-time transaction processing within trading, risk management, or web2.0 companies (large-scale transaction/event-processing systems: trading systems, risk management systems, pricing systems)
• Driven self-starter with a strong sense of ownership coupled with effective collaboration and leadership
• Excellent communication skills, plus ability to develop relationships with stakeholders across the firm
• Solid financial services experience
• B.S. degree or above in Computer Science, Engineering, Finance, or related field.

Nice to Have

• Experience at a fast-paced, high-growth-stage company
• Digital assets experience

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are suitable for this role, drop me an email or give me a call:

Jack Peck
[e] jack.peck@oxfordknight.co.uk
[t] +44 20 3745 6537
linkedin.com/in/jack-peck-448a70131

Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Lead Java Developer - FX Options Realtime Risk
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Description
This position is responsible for leading a team working on our FX real-time risk system, driving key deliverables, managing the backlog of work, and contributing technically where needed. As a front-office facing role, you’ll be the first point of contact for the FX Options Trading desk, providing quick and decisive action on technical delivery and incident resolution.

Responsibilities
Leadership & Delivery

• Lead and mentor a high-performing team working on critical FX real-time risk infrastructure.

• Drive key deliverables and manage the backlog in collaboration with business stakeholders

• Serve as the primary technical point of contact for FX Options Trading leadership and make technical decisions, providing architectural direction as we modernize and onboard to the bank’s strategic risk platform

• Contribute hands-on using our tech stack: Java, CouchbaseDB, Kafka, Apache Storm. Design and implement solutions for complex real-time risk calculation requirements

• Act as SME to senior stakeholders including the trading desk and risk managers. Appropriately assess risk when business decisions are made, safeguarding Citigroup, its clients and assets

Required Experience

• Extensive experience in application development and systems analysis

• Proven financial knowledge of FX trading and risk systems is essential

• Proven experience leading and mentor a high-performing team working on critical FX real-time risk infrastructure and managing successful project deliveries

• Strong hands-on expertise in Java, especially in the context of distributed systems and real-time data processing

• Excellent communication skills with ability to interact confidently with trading desk heads

Bonus points for

• CouchbaseDB, Kafka, Apache Storm, Spring, OpenShift, GCP
• Understanding of AI/analytics applications in financial systems

What Makes This Role Special
Outstanding Team Culture - Join a collaborative, supportive team with a fantastic culture that values innovation and mutual growth.
Deep Business Learning - Unique opportunity to learn the FX trading business inside and out, working directly with senior traders.
Technical Leadership - Provide technical direction on a critical system while working with modern technologies and AI/analytics innovations.
Career Growth - Exposure to strategic platform modernization, cloud technologies, and direct business leadership interaction.

Education
Bachelor’s degree/University degree or equivalent experience in a similar role

What we’ll provide you
By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group:
Technology ------------------------------------------------------
Job Family:
Applications Development ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

We are seeking a highly motivated and experienced Senior Technical Application Support Specialist to join our global dynamic team. The successful candidate will be responsible for providing L2/L3 technical support for our commodities trading platform, with a primary focus on the Openlink and Risk Management applications. This role requires a deep understanding of the commodities asset class, exceptional technical troubleshooting skills, and a commitment to providing excellent customer service to our trading and business users.

What will you do:

• Provide timely and effective L2/L3 technical support for the commodities trading platform, including the Openlink application and its ecosystem.
• Investigate, diagnose, and resolve complex application and system issues, ensuring minimal disruption to business operations.
• Systems will include market data, static data, trade lifecycle(openlink) and risk management platforms.
• Monitor system health and performance, proactively identifying and addressing potential issues before they impact users.
• Support global critical front office risk batches and End of day batch processing.
• Collaborate closely with traders, business analysts, developers, and infrastructure teams to resolve incidents and implement solutions.
• Manage the incident lifecycle, from initial report to resolution, including root cause analysis and post-mortem reviews.
• Participate in a rotational on-call schedule to weekend support and bank holiday coverage.
• Develop and maintain comprehensive support documentation, including knowledge base articles and runbooks.
• Assist with the planning and execution of application deployments, upgrades, and disaster recovery tests.
• Identify opportunities for process improvements and automation to enhance system stability and support efficiency.

Key Skills and Experience required:

• A key requirement for this role is proven, experience with the Openlink application.

• Strong functional knowledge of the commodities asset class, including physical and financial products (e.g., oil, natural gas, power, metals, agriculture).

• A strong understanding of risk and pnl and supporting Risk management platforms.

• Proficiency in SQL and experience working with relational databases such as Oracle or SQL Server.

• Proficiency in Middleware technologies such as Solace.

• Demonstrable scripting skills in languages such as Python, Juniper Notebooks, or shell scripting for automation and troubleshooting.

• Excellent analytical, problem-solving, and critical-thinking skills.

• Strong verbal and written communication skills, with the ability to articulate technical issues to both technical and non-technical audiences.

• Ability to perform effectively in a high-pressure, fast-paced trading environment.

• Experience with enterprise monitoring tools like ITRS Geneos, Splunk, Grafana, or similar.

• Familiarity with the ITIL framework and best practices for incident, problem, and change management.

• Previous experience working directly with traders and front-office staff.

What we’ll provide you:

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group:
Technology ------------------------------------------------------
Job Family:
Applications Support ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Senior Java Developer

Business Unit: FTSE Russell - Index Platform
Company: London Stock Exchange Group (LSEG)

About Us

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

Our People

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

About the Role

We are seeking a highly skilled and hands-on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams.

This is a deeply technical role focused on designing, building, integrating, and operationalising modern software and AI driven capabilities across internal platforms and client facing products. You will work with innovative technologies, contribute to complex algorithmic design, and drive engineering excellence in a high performance, data intensive environment.

Key Responsibilities

Core Engineering & Platform Delivery

• Design, develop, and maintain complex Java and Python applications using modern engineering practices. Build / embed AI powered features into mission critical systems.

• Architect and enhance services that support largescale, performance critical index computations.

• Collaborate with Product Managers, UX, and engineering teams globally to deliver high quality products.

• Lead projects end-to-end through requirements, design, development, testing, deployment, and operations.

• Build and maintain automated test suites to ensure performance, scalability, and security.

• Diagnose production issues, identify root causes, and deliver Level 3 support and fixes.

• Conduct peer reviews, provide technical leadership, and mentor junior engineers.

Required Experience & Skills

• 10+ years of hands-on backend software engineering experience.
• Support the organisation’s AI adoption journey. Develop and enhance intelligent solutions using LLMs, LangChain/LangGraph, and agentic AI frameworks.
• Establish engineering best practices for safe, scalable, traceable and production ready AI deployments across internal platforms and external product suites.
• Strong algorithms, data structures, problem solving skills, and ability to translate business problems into scalable solutions.
• Good command of coding standards and Strong understanding of both high level and low level software design
• Expertise in:
  • Core Java, Python
  • Building highly distributed, data intensive systems
  • Microservices, REST APIs
  • RDBMS (Oracle/SQL Server/Postgres)
  • CI/CD tools (Jenkins/GitLab), DevOps automation
  • Docker, Kubernetes
  • JVM profiling & performance optimisation
• Prior exposure to Level 3 production support.

Preferred / Nice-to-Have Skills

• Experience leading or mentoring a team of engineers.
• Experience within financial services or with financial market data.
• Familiarity with in-memory caching, Spring Boot, Redis, Kafka.
• Experience with BDD frameworks such as Cucumber, JBehave, or Karate.
• Background as a Scrum Master or experience running Agile teams.

What We’re Looking For

A proactive, creative engineering leader who enjoys solving complex problems, working hands-on with modern technologies, and driving AI enabled innovation. If you’re passionate about building resilient, intelligent, data intensive systems that power global financial markets, we’d love to hear from you.

Career Stage:
Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Position Description

This position is responsible for providing frontline end user technology support and implementing IT projects to the office in London and other European locations. This role will also support IT infrastructure engineering activities coordinated by functions groups in Asia headquarter.

Key Areas of Responsibilities

• Adhere to FCA regulations and CLSA’s Code of Conduct at all times.
• Required to comply with company procedures regarding personal account trading, processing client complaints, and gifts and inducement policy, and other relevant global or local policies
• Follow local guidelines on logging, tracking, updating, and escalation support calls as well as managing issue to final resolution.
• Follow local guidelines for morning checks when on morning shift-rotation.
• Provide front-line end-user support on PC/laptops hardware and software including Microsoft productivity suite, in-house applications, and cloud applications.
• Facilitate support for Bloomberg, WIND, and other market data applications
• Assist in trading floor moves, add, and changes
• Provide front-line support to voice, video conferencing and telecoms systems.
• Liaise closely with IT colleagues in other regions to ensure consistency with global policies, standards, and initiatives.
• Implement and/or coordinate IT projects
• Provide support for remote users on VPN
• Ability to work flexible hours and varying shifts, including weekends and out of hours when called upon
• Assist end users with their AI needs

Requirements

• Bachelor’s degree (not necessarily IT related)
• CompTIA A+ (preferred)
• Minimum 3 years of relevant experience supporting trading floors with good experience supporting Bloomberg Terminals and/or other trading applications
• Advanced technical skills supporting Microsoft Office suite of applications, PC/laptops and mobile devices
• Good knowledge of LAN networking and video conferencing software: Zoom, Teams
• Demonstrated familiarity with Desktop operating system, office automation and general infrastructure
• Excellent command of spoken and written English
• Strong customer service focus and interpersonal skills
• Good team player of the working team for UK and European offices

Our purpose is to give everyone real confidence to put their money to work. With a heritage dating back more than 175 years, we have a long history of innovation in savings and investments, combining asset management and insurance expertise to offer a wide range of solutions.

Our two distinct operating segments, Asset Management and Life, work together to provide access to balanced, long-term investment and savings solutions.

Through telling it like it is, owning it now, and moving it forward together with care and integrity; we are creating an exceptional place to work for exceptional talent.

We will consider flexible working arrangements for any of our roles and also offer work place accommodations to ensure you have what you need to effectively deliver in your role.

We are seeking an experienced AutoRek Developer to support our Finance and Operations functions within a regulated UK Financial Services environment. The successful candidate will develop, optimise and support automated reconciliations, financial controls, and data processing workflows using the AutoRek platform.

Key Responsibilities

• Design, configure and maintain end-to-end reconciliations and workflows within AutoRek.
• Develop automated data ingestion, transformation rules, match logic and exception workflows.
• Ensure reconciliations support regulatory standards including FCA, PRA, CASS and IFRS requirements.
• Deliver platform enhancements working with Finance, Operations, Risk and Technology teams.
• Create documentation for functional and technical specifications.
• Support UAT, troubleshooting, platform upgrades and ongoing BAU activity.

Essential Skills & Experience

• Hands-on AutoRek development experience (Modules 1-5 desirable).
• Strong understanding of reconciliation processes used across banking, insurance or investment sectors.
• SQL proficiency and experience with financial data transformation.
• Ability to interpret accounting flows, ledger structures and operational controls.
• Experience working in regulated UK Financial Services environments.

Desirable Skills

• Experience integrating AutoRek with GL/ERP systems such as SAP, Oracle, Sun or Workday.
• Knowledge of CASS reconciliations, prudential reporting, and risk/control frameworks.
• Familiarity with ETL tools, APIs, and SFTP file transfer processes.
• Understanding of Power BI or similar reporting tools.

What we offer:

At M&G, we’re committed to helping you thrive and supporting your wellbeing, both at work and beyond. Our benefits are designed to help you balance your professional and personal life, while planning confidently for your future. Our UK benefits include:

• As a savings and Investments firm we are proud to offer a valuable pension scheme of 18% , with 13% made up of Employer Contributions and 5% Employee Contributions . We also offer Share Save and our Share Incentive Plan , together with access to financial wellbeing and support services - to help give you real confidence to put your money to work.
• Enjoy 38 days annual leave including bank holidays, with the opportunity to purchase up to 5 extra days and additional flexibility through our Time Off When You Need It policy - to balance your work and personal commitments.
• Our market leading Inspiring Families policy includes comprehensive support and paid parental leave covering maternity, adoption, surrogacy, and paternity leave - as supporting families is a core aspect of our inclusive culture.
• Health & Protection cover including Private Healthcare , Critical Illness cover and Life Assurance for you, with family options - for peace of mind.

To explore more about life at M&G and our full benefits offering, visit Life at M&G

We have a diverse workforce and an inclusive culture at M&G, underpinned by our policies and our employee-led networks who provide networking opportunities, advice and support for the diverse communities our colleagues represent. Regardless of gender, ethnicity, age, sexual orientation, nationality, disability or long term condition, we are looking to attract, promote and retain exceptional people. We also welcome those who take part in military service and those returning from career breaks.

M&G is also proud to be a Disability Confident Leader , and we welcome applications from candidates with long-term health conditions, disabilities, or neuro-divergent conditions.

If you need assistance or an alternative means of applying for a role due to a disability or additional need, please let us know by contacting us at: careers@mandg.com

Location: London (Hybrid)

Rate: Up To £750 Per Day

Type: 6 Month Rolling Contract

We are working with a highly respected and long-established firm based in London that is looking to appoint an experienced Cloud Architect to play a key role in shaping and delivering its cloud strategy.

This is a senior, hands-on role offering the opportunity to design scalable, secure, and resilient cloud platforms that support business-critical systems across the organisation.

What you’ll be doing

• Architecting AWS-based cloud platforms to support large-scale, data-intensive workloads
• Driving the cloud architecture for enterprise data modernisation and migration initiatives
• Defining patterns for scalability, resilience, security, and cost efficiency on AWS
• Working closely with data engineering, platform, and security teams to deliver end-to-end solutions
• Balancing strategic direction with hands-on architectural problem-solving

What you’ll need to have

• Strong experience as a Cloud Architect or senior technical leader in AWS environments
• A track record of delivering large-scale data transformation programmes
• Deep understanding of AWS-native services used in modern data architectures
• (e.g. data lakes, analytics platforms, streaming, distributed processing)
• Experience designing systems that handle volume, velocity, and variety of data

If you’re a Cloud Architect looking for a strategic role within a respected London-based firm, we’d love to hear from you.

The Client Technical Services department is part of the LSEG FX business. It comprises of FX Technical Onboarding, Technical Account Management, Certification, STP (Straight Through Processing) and Venue Onboarding teams.

The FX Technical Onboarding team is responsible for leading customers through the FX technical onboarding journey including processing technical enablements and performing conformance testing of FX customers. Venues supported are FXall, Price Stream and Matching.

The team works closely with various areas of the wider business, including Sales and Account Management teams, Product, Product Development, and other resolver teams to onboard clients to FX platforms and act as the main point of contact for customers during their technical FX onboarding journey.

Role Description - The role mainly consists of creating or updating technical user configurations for FX customers, as well as organising network enablements, acting as primary liaison for buy and sell-side FX customers, software certification for various FX APIs and handling participant reference data across all the FX venues. It also involves automation/scripting of various manual processes to improve the overall efficiency of the onboarding process.

Key Responsibilities

Collaborate with internal stakeholders.

Resolve client queries, raise high-impact risks, and build internal relationships and networks with critical teams.

Keep up to date with changes to products and services to maintain quality of service.

Onboard new customer (buy-side) and new provider (sell-side) clients to FXall.

Build, develop and maintain automated solutions to manual processes, such as certification of FIX APIs.

Onboard market makers to FXall FIX APIs.

Certify customer FIX messages against internal LSEG FX FIX specifications.

Onboard customers to FXI and handle their participant data.

Liaise with clients and internal groups to handle Price Stream Entitlement requests.

Work closely with many internal teams including Sales and Account Management, Support teams, Dev teams, Professional Services, Product teams, Global Regulatory and Business Ops.

Gain and improve understanding of the wider business areas to develop cross-divisional relationships and improve process efficiency.

•Build specialist knowledge to analyse sophisticated data and determine and implement resolutions to operational risks in an accurate and timely manner, calling out operational risks where expertise is required.

Key Behaviours

Integrity

Has the sustained drive and energy to deliver quality and timely support

Willingly puts in the effort to ensure activities completed on time and to the quality required

Ability to work to deadlines and under pressure

Leads by example

Builds trust by keeping their word

Consistent and fair approach towards team

Partnership

Deals with conflict successfully

Seeks information/inputs from colleagues/clients and communicates openly

Uses all available resources and toolsets to investigate and resolve incidents

Takes on routine tasks as necessary

A confident teammate with good interpersonal skills and a ‘can do’ demeanour

Actively seeks feedback on their own performance

Good listener that understands matters well to decide on next steps

Change

Open to and willingly embraces new processes / approaches / ways of working.

Enthusiastic to achieve, develop and learn new skills.

Raises suggestions to improve the service provided.

Excellence

Oral and written communications are tailored to their audience’s needs;

Pro-active and demonstrates initiative;

Prioritizes activities according to business and operational need;

Performs structured analysis and problem solving

Analyses issues to identify the most appropriate solutions

Plans activities, provides progress reports, attends relevant meetings to represent team

Carries out work without prompting and close supervision

Key Skills

Degree or equivalent experience level.

Proven Customer Service skills and experience.

Good communication and problem-solving skills.

Understanding or working experience with FIX messaging protocol.

Exposure to or experience with certification/conformance trading software testing.

Worked in a professional and customer-focused environment where detailed process/procedures are followed.

FX market experience, understanding of FX products and order behaviours.

Strong standout colleague with ability to work in a fast-paced environment and under pressure.

Flexible to work within EMEA time zones until 18:00 GMT.

Helpful

Sophisticated knowledge of MS Platforms with exposure to process automation.

Familiarity with networking protocols, VPN, Extranet connectivity, understanding of TCP/IP concepts.

Exposure to trading platforms especially FXall/FX Matching is an advantage.

Experience working in FX markets, understanding of FX products and order types.

Strong analytical and logical thinking capabilities.

Highly motivated with strong social skills.

Experience/exposure to Python/SQL/Java or any other language useful for scripting and automation.

Career Stage:
Senior Associate

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

ABOUT US:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

OUR PEOPLE:

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organization spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers!

ROLE SUMMARY:

Ready to build scalable data systems with real-world impact?

Join us at FTSE Russell! We’re establishing a team of engineers passionate about data, software craftsmanship, and substantial impact. As a Lead Software Data Engineer, you’ll help power the indices trusted by financial institutions worldwide. You’ll work in a modern AWS environment, build robust pipelines, and collaborate closely with product and business teams to deliver reliable, high-quality data solutions. We care about code quality, ownership, and helping each other grow. If you’re excited about building systems that matter, we’d love to meet you!

WHAT YOU’LL BE DOING:

We are building the next-generation data platform at FTSE Russell - and we want you to shape it with us. Your role will involve:

• Designing and developing scalable, testable data pipelines using Python and Apache Spark
• Orchestrating data workflows with AWS tools like Glue, EMR Serverless, Lambda, and S3
• Applying modern software engineering practices: version control, CI/CD, modular design, and automated testing
• Contributing to the development of a lakehouse architecture using Apache Iceberg
• Collaborating with business teams to translate requirements into data-driven solutions
• Building observability into data flows and implementing basic quality checks
• Participating in code reviews, pair programming, and architecture discussions
• Continuously learning about the financial indices domain and sharing insights with the team

WHAT YOU’LL BRING:

• Writes clean, maintainable, testable, extensible Python code (ideally with type hints, linters, and tests like pytest)
• Understands data engineering basics: batch processing, schema evolution, and building ETL pipelines
• Has experience with or is eager to learn Apache Spark for large-scale data processing
• Is familiar with the AWS data stack (e.g. S3, Glue, Lambda, EMR)
• Strong experience in relational databases (e.g. Aurora PostgreSQL)
• Enjoys learning the business context and working closely with stakeholders
• Works well in Agile teams and values collaboration over solo heroics

NICE TO HAVES:

It’s great (but not required) if you also bring:

• Experience with Apache Iceberg or similar table formats
• Familiarity with CI/CD tools like GitLab CI, Jenkins, or GitHub Actions
• Exposure to data quality frameworks like Great Expectations or Deequ
• Experience with other data platforms like databricks, etc.
• Curiosity about financial markets, index data, or investment analytics

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organization of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business, and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

Proud to share LSEG in the India is Great Place to Work certified (Jun '25 - Jun '26).

Learn more about life and purpose of our company directly from India colleagues’ video: Bengaluru, India | Where We Work | LSEG

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence . Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Our client is looking for Junior and Middle level Data Engineer to join the teams. 1 day in office every 3 months. Permanent, salary is £45k- £65k depending on experience Job Details: 1. Develop, document and maintain robust processes that transform and clean data for input into a variety of live systems and analytical workflows 2. Liaise with colleagues across the business to elaborate requirements for new data products and translate these into technical plans 3. Maintain process quality and robustness through coding best practice, including version control, documentation and peer review 4. Investigate and elaborate data issues to help drive continuous improvement in data quality 5. Migrate Legacy processes to new data platforms 6. Learn new tools and techniques to support data processing and analytics as we expand our toolkit Skills we would love you to have: 1. Minimum 2:1 in a relevant technical degree. 2. A good understanding of database architecture and querying using SQL. 3. A sound understanding of data transformation and cleaning. 4. Programming experience using any language such as Python. 5. Understanding of Microsoft Azure, Power BI and Snowflake only need skills in SQL, Cognos and a data visualization tools like Tableau, Power BI or Qlik 6. 2- 4 years experience, good communication to work across functional team

Your new company Working for a renowned financial services organisation Your new role We're looking for a Data Engineer to design and deliver scalable on prem, high‑quality data solutions for low/ high-level data platforms that power analytical and business insights. This is a hands‑on role suited to someone with strong data engineering and big data expertise, ideally gained within financial services. Using , Big Data tools and Spark development you will ensure data quality through automated validation, monitoring, and testing. You will also enable seamless integration across data warehouses and data lakes, contributing to a robust, scalable, and resilient enterprise data ecosystem. What you'll need to succeed Strong Data Engineering expertise with Big Data technologies. Experience designing and building on‑prem data platforms, from high‑level architecture to detailed technical design. Strong Spark development experience. Hands‑on experience with Hadoop - configuring multi‑node Hadoop clusters, including resource management, security, and performance tuning. Strong Big Data engineering background using Apache Airflow, Spark, dbt, Kafka, and Hadoop ecosystem tools. Knowledge of RDBMS systems (PostgreSQL, SQL Server) and familiarity with NoSQL/distributed databases such as MongoDB. Proven delivery of streaming pipelines and real‑time data processing solutions. Delivered streaming pipelines and real‑time data processing solutions. What you'll get in return Flexible working options available. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)