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Find your next Python job with Haystack, the leading IT job board connecting top Python developers with cutting-edge tech companies. Whether you're a junior Python programmer or an experienced software engineer, explore hundreds of remote and onsite Python job openings tailored to your skills. Start your Python career search today and unlock opportunities in web development, data science, automation, and more!

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Automation Tester - (Active SC)

Stealth IT Consulting

Our client are a top tier consultancy looking for an Automation Tester with Active Security Clearance on a 6 months contract.

Job spec below:

design and execute a wide range of testing techniques and communicate test results to both technical and non-technical stakeholders

make decisions on the environment for testing, and can coach others

identify defects, alert the business to them, and help to prioritise them based on defect severity

design and execute a wide range of non-functional testing techniques

communicate non-functional test results to both technical and non-technical stakeholders

make decisions on running types of non-functional testing

coach and mentor others

identify defects, alert the business to them, and help to prioritise them based on defect severity

demonstrate a good working knowledge of different tools and techniques, and can train others

advise others on testing techniques and frameworks

effectively research, plan and train others within the team

think creatively, ask the right questions and critically evaluate and communicate findings to a larger team

lead investigative work into problems and opportunities in existing processes

drive the collection of information and the creation of recommendations for improvements

absorb large amounts of conflicting information and use it to determine solutions

Key Responsibilities and Technical Skills:

Develop and implement QA processes and procedures to ensure accurate and secure data migration from the Legacy system to AWS.

Validate the transformation logic applied during data processing in Databricks.

Review and validate analytical models and outputs produced by the analytical team.

Perform end-to-end testing of analytical workflows and dashboards.

Technical Skills:

Strong understanding of data quality principles and best practices.

Familiarity with AWS services and Databricks.

Proficiency in QA tools, technologies and e2e automated integration tests (eg, automated testing tools- Rest Assured, QA frameworks, Gherkin).

Ability to write and execute complex SQL queries for data validation.

Familiarity with Scripting languages such as Python

Infrastructure Cloud Support (AWS)

Infrastructure Cloud Support - AWS - Terraform - Ansible - Python - CI/CD - Project Focussed

Permanent, up to £85,000 + benefits/bonus.* Hybrid, 2 days office

Leading financial services client is seeking an AWS Cloud Engineer to join their team in London. You will be supporting the AWS Public Cloud infrastructure and implementation of IaC using Terraform. The role will work closely with the SRE and Engineering teams to ensure that the Cloud environment has sufficient observability and is appropriately managed.

Skills and experience required:

Strong technical operational skills in supporting AWS Cloud Hosted environments, and at least 3 years in an Infrastructure support role

Strong understanding of IaC technologies (Terraform, Ansible, GIT, Jenkins)

Operational risk and control management processes, including security best practices

AWS, including an understanding of AWS services, security and networking.

Knowledge of at least 1 programming language (ideally Python)

Knowledge of CI/CD specifically relating to Cloud Hosted environments

Experience working in a regulated financial services/banking

ITIL

If this is of interest and you have the required skills, please submit your CV over for immediate consideration.

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

A career at Lombard Odier means working for a renowned global wealth and asset manager, with a strong focus on sustainable investing. An innovative bank of choice for private and institutional clients, our independently owned Firm is one of the best-capitalised banking groups in the world, managing close to CHF 300 billion and operating from over 25 offices across 4 continents.

With a history spanning over 225 years, Lombard Odier is an investment house providing a comprehensive offering of discretionary and advisory portfolio management, wealth services and custody. We also offer asset management services and investment strategies through Lombard Odier Investment Managers and provide advanced banking technology to other financial institutions.

“Rethink Everything” is our philosophy - it is at the heart of everything we do. We have grown stronger through more than 40 financial crises by rethinking the world around us to provide a fresh investment perspective for our clients.

Lombard Odier Investment Managers (“LOIM”) is the asset management business of the Lombard Odier Group. In order to strengthen our Investment Risk team, we are looking for a:

Investment Risk Data Analyst

You will join a global business of more than 400 investment professionals and a network of 13 offices across Europe, Asia and North America. You will report to the Global Chief Risk Officer and support the Risk function by managing and analyzing data across platforms such as Bloomberg PORT and MARS, while ensuring data quality, developing risk analytics, and enhancing automation in risk management.

The role can be based in Geneva, London or Luxembourg.

YOUR ROLE

Engagement with LOIM Investment Risk Managers and other primary stakeholders to design, develop and implement clear analytical solutions across all asset classes

Take ownership of risk and performance dashboards and underlying data sourcing processes

Help drive the migration of existing processes to automated processes and platforms in line with the team vision to increasingly leverage Artificial Intelligence.

Management of existing data sets, ensuring the analytics tools are correctly sourcing data from data sources external to the immediate team

Maintaining risk calculations and process feeds to external calculators

Respond and prioritize ad-hoc requests for information as they arise

Challenge existing processes and data feeds with the wider LOIM-IT and data community

YOUR PROFILE

You hold a Degree in Mathematics, Data Science, Finance or Statistics,

You have experience in data analysis of large-scale, distributed data sets, in process automation

You are interested in the financial industry and have domain knowledge of investment and securities and/or Artificial Intelligence applications.

Understanding of risk management concepts including VaR, stress testing, and scenario analysis.

You have the ability to challenge and provide supportive criticism

You are familiar with BI tools (ie Tableau), process workflow automation tools (ie Alteryx), programming languages (Python).

You have strong analytical and data manipulation skills and excellent statistical modelling skills

Autonomous and self-motivated, you pay strong attention to detail.

Flexible and results-oriented, with excellent problem-solving skills.

Our Maison’s DNA is defined by five core values. Excellence drives us to be the best at what we do, while Innovation fuels our progress. Respect underpins every interaction, and Integrity shapes our actions. Together, we are One Team, united in serving our clients with unwavering dedication.

As a responsible and supportive employer, we promote a diverse and inclusive work environment for our employees and candidates. Diversity, Equity and Inclusion are woven into the fabric of our Maison’s DNA, and we strive to ensure that our employees can fulfill both their personal and professional aspirations by encouraging internal mobility and individual upskilling programs. We firmly believe that building Diverse Teams contributes to our successes and to deliver on this, we actively embed Diversity, Equity and Inclusion in our business strategy.

It is an exciting time to join our Teams. All applications will be handled in the strictest confidence.

Junior Web Developer

Symmetric Recruitment Ltd

Web Developer (Junior)

An innovative Technology company due to continued growth is looking to recruit a Web Developer to join a friendly and motivated team.

The Role:

Perform design, development, testing, and prototyping of various web applications.

Continue to develop and maintain existing software products and libraries.

Write technical documents explaining procedures, functions as well as end-user operational documentation.

Essential Experience:

Bachelor s degree in computer science, or a similar discipline.

Strong skills in HTML, CSS, and JavaScript along with their respective coding practices.

A strong understanding of a front-end JavaScript framework, preferably ReactJS.

Strong debugging skills, and the ability to independently detect bugs/problems and solve them.

Interest in the maritime sector and a willingness to continue to develop their skillset through mentoring and online courses.

Ability to simultaneously work on a project with another person.

Strong oral, written and interpersonal communication skills and an ability to work in a team environment.

Desirable Experience:

Fluency with Linux and windows development environment and Docker containers.

Experience using other programming languages such as C# or Python.

A basic understanding of UI/UX, designing and following a design.

Knowledge of communication techniques (i.e., RestAPI, WebSockets, MQTT, etc.)

Experience using Git and versioning control.

Strong understanding of software design methodologies.

Must be detail-oriented and organised and be able to handle a variety of tasks in an efficient manner.

Want to be part of a leading British-owned tech company? Established in 2002, we are achieving year on year revenue growth and reinvesting 95% of our profits back into our people and technology.

Your new role:

Developing applications using various programming languages

Support and maintain existing applications

Provide application level support to system users

Provide a test environment prior to each release

Contribute to the quality of system delivery including the architecture, planning, estimation, development, integration, test and release infrastructure

Help maintain consistently high code quality across the development team including code reviews

What you ll need to succeed:

Web development (MVC, Blazor, JavaScript, Angular)

What we offer:

Involved in varied projects that make a positive impact on critical services on a local and national level

Vibrant company culture with a wide range of events and social activities throughout the year

Range of employee initiatives on offer including the green team, DE&I society, employee forum, women s network and culture club

Dedicated Learning and Development team and access to a range of training, courses and certification support

Comprehensive benefits including on-site cafe with free barista coffee, birthday leave, charity leave, vitality health cover and holiday purchase scheme to gain an extra 5 days leave

Embedded Software Developer

Smartbox Assistive Technology

Join us at Smartbox as an Embedded Software Developer!

Are you a passionate Embedded Software Developer looking to make a real impact by giving a voice to those without speech Smartbox is looking for a dedicated individual like you to join our team and contribute to enhancing the lives of people with disabilities.

Your Impact

As our Embedded Software Developer, you will:

Test software: Ensuring comprehensive automated test coverage of your code, writing automated tests, GUIs, and utility apps in languages such as Python and C#.

Libraries and apps: Creating software libraries and demo apps in C-compatible languages such as C#, C++, or Rust to control our firmware subsystems.

Technical strategy: Executing and collaborating on our strategy for highly reliable, mission-critical hardware and firmware.

Validation and debugging: Implementing and improving our device test plan, debugging, and validating upcoming firmware and software.

Quality assurance: Promptly analysing and correcting quality issues.

Project management: Taking ownership of firmware and software projects from start to finish.

Firmware and software development: Designing, developing and maintaining embedded software in C for Zephyr RTOS and Embedded Linux.

Essential Qualifications/Skills/Experience:

A passion for improving lives through assistive technology.

4+ years of experience in software development in one or more of the following languages: C, C++, Rust.

4+ years of experience in embedded software development in C.

Knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis.

Strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability.

Confident and experienced with automated testing, including unit, integration and system tests, mocking and automation frameworks.

An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction.

Skilled at debugging in constrained environments and using hardware/software debugging tools.

A proven track record of innovation and quality software development throughout the entire software product lifecycle.

Ability to solve complex technical problems in elegant and maintainable ways, demonstrating systems thinking across hardware, firmware and application layers.

Experience with embedded platforms (For example: Embedded Linux, Arduino, STM32, Nordic, Zephyr RTOS).

A passion and drive for excellence in software craftsmanship.

Linux, Bash/shell, CI (Continuous integration) experience.

Ability to read electronics schematics.

A collaborative and supportive team player contributing actively to shared goals and supporting colleagues across disciplines.

Practical, proactive mindset comfortable taking initiative and working through ambiguity in a fast-moving team.

About Smartbox

At Smartbox, we’re proud to be at the forefront of assistive communication technology. Our innovative products are used globally by individuals with diverse needs. Our values passionate, caring, empowering, achieving together, and enabling change resonate in everything we do.

Our Inclusive Culture

We believe in giving everyone a voice. Joining Smartbox means joining a diverse team that values collaboration and supports a community that relies on our technology for effective communication.

Our Commitment to Sustainability

At Smartbox, we not only innovate but also prioritise sustainability. We aim to minimise our carbon footprint and promote a greener world through sustainable solutions. By joining us, you’ll contribute to shaping a more inclusive society while actively supporting our sustainability efforts.

Our D&I Commitments

At Smartbox, we prioritise diversity and inclusivity in our work environment. Here’s how we do it:

Recognised as a Disability Confident Employer by the UK Government and Founding Partner of Purple Tuesday.

Our recruitment practices are inclusive and barrier-free, with adjustments available during the application process and throughout your career with us.

We believe in adding to our culture, not just fitting in. Our diverse team combines unique talents to create products that reflect the diversity of our users and customers.

Rewards and Benefits

Discover a world of rewards and benefits tailored to your wellbeing at Smartbox. Beyond a competitive salary and private medical insurance, explore perks like a hybrid working model, wellness benefits, and paid volunteering days.

Ready to Make a Difference

Join us at Smartbox and embark on a fulfilling career where your work truly matters. Apply now and be a part of a team dedicated to creating technology that changes lives.

Agencies

Please respect that at this current time, we wish to try and recruit directly from the market rather than engage support from an agency.

Machine Learning Engineer

Machine Learning Engineer, ML Engineer, Hybrid, up to 110k

London (Hybrid - 5 days a month)

£80,000 - £110,000 depending on experience

My client, a RegTech leader, is looking for a Machine Learning Engineer to join a growing AI/ML team working on cutting-edge NLP, search, and classification problems. This is a chance to shape and productionise ML solutions that directly impact a global user base in financial services.

What You’ll Do

Design, build, and productionise ML/NLP models for large-scale SaaS products and APIs

Write clear, modular, testable Python code and deploy via modern CI/CD pipelines

Improve performance and scalability of models, data ingestion, cleaning, and pipelines

Explore new ML/NLP techniques and keep the team up to date with research trends

Propose cloud architectures and ensure robust ML operations (MLOps)

Collaborate through code reviews, knowledge sharing, and documentation

What We’re Looking For

Strong experience working with textual data and NLP

Proven ability to write clean, testable Python code

Familiarity with SQL and NoSQL/graph databases

Hands-on experience with ML/DL frameworks (eg PyTorch, TensorFlow, Hugging Face)

End-to-end cloud deployment experience (AWS, GCP, or Azure)

Solid grasp of data structures, modelling, and cloud-based architecture

A systems thinker with a passion for MLOps best practices

Strong maths/stats grounding and ability to collaborate with research-oriented colleagues

Please apply for more information

Machine Learning Engineer, ML Engineer, Hybrid, up to 110k

Application Developer - low-code platform (LCDP) - Essex

Hybrid working - one day a month onsite and the remainder remote

Joining a growing team specialising in the London Insurance Market as an Application Developer you will have experience working with a low-code platform as mandatory and hands-on skills in Javascript, Vue.js and APIs (REST/SOAP)

Key responsibilities:-

Design, develop and implement custom insurance software solutions

Collaborate with Agile Product Owners to understand business processes and map to data structures and process flows

Develop widgets and user interface components using Javascript/jQuery, Vue.js, HTML and CSS

Develop and maintain API integrations (REST and SOAP) with external systems and services

Implement integrations including AI and chatbot products

Skills/experience required:-

3-5 years experience with a low-code platform - ie Mendix, Outsystems, Liberty Create, or similar low-code platform (LCDP) is mandatory

Strong Javascript, CSS, HTML skills

Experience with relational databases including designing data models and/or entity relationship diagrams for business use cases

Ability to understand business processes and implement solution data structure and process flows

Experience with REST and/or SOAP web services

Proficiency in Vue.js and/or Python would be a plus

Senior C++ Developer - Derivatives

Nicoll Curtin Technology

Equity Derivatives Quant Developer - C++, Python, CI/CD, Equities, Equity Derivatives, Pricing, Sensitivity Calculations, Algorithms, Quant Finance, Risk Management.

I am seeking an experienced C++/Python Quant Developer to join my client who is a leading investment bank based in London. In this role, you will focus on building and optimizing infrastructure for pricing, risk management, and P&L calculation. You will collaborate with Quantitative Modellers to enhance core models and ensure compliance with regulatory standards.

Key Responsibilities:

Develop and optimize systems for pricing, risk, and P&L calculations.

Partner with Quantitative Modellers to refine pricing models and tools.

Create solutions to meet regulatory reporting requirements (FRTB IMA).

Contribute to both end-of-day and Real Time risk and P&L calculations.

Build and maintain data pipelines for market data and pricing support.

Work across teams to ensure alignment and deliver on business objectives.

Key Skills:

C++/Python

Equities/Equity Derivatives

Options, Options Pricing, Managing Pricing

Solid understanding of pricing models and stochastic processes.

Familiarity with risk measures such as VaR, P&L forecasting, and sensitivities.

Desirable:

Experience working with large data sets and distributed systems.

Knowledge of Equity Derivatives and their pricing mechanisms.

Advanced Excel skills and familiarity with CI/CD workflows.

Degree in Mathematics, Finance, or a related field.

This is a contract role paying up to £1050 per day inside IR35 via an umbrella. You will be required to attend the office in London up to 2 times per week.

Equity Derivatives Quant Developer - C++, Python, CI/CD, Equities, Equity Derivatives, Pricing, Sensitivity Calculations, Algorithms, Quant Finance, Risk Management.

Graduate Project Systems Engineer

An exciting opportunity for a Graduate Engineer with a background in Control Systems, Electrical, Software or Systems Engineering is sought to join a busy Projects team within an established Renewable Energy company

THE OPPORTUNITY

The role will involve the specification, configuration, and verification of bespoke Control Systems and networks, support the generation of project deliverable documents and perform functional testing and compile test results. You will also work with multiple stakeholders in a dynamic engineering environment to interpret client requirements and deliver solutions that are appropriate to their needs.

YOUR SKILLS AND QUALITIES

The successful candidate will be a recent graduate with a Bachelor’s or Master’s in Electrical, Control Systems, Software or Systems Engineering and have a good knowledge of IT Systems and Networks. You will need excellent verbal and written communication skills, with the ability to generate technical specifications and reports and have good problem-solving skills. A knowledge of AWS environments, Linux Operating Systems, Python and Javascript would be an advantage as would experience of using collaborative tools such as Confluence, Jira, Click-Up etc.

INVESTMENT IN YOUR FUTURE

This is an outstanding opportunity to join a dynamic company with an excellent reputation for providing technical training and career development opportunities and work within an industry-leading team

APPLY NOW

If you would like more information please contact Adam Jones at Major Recruitment or click Apply Now and send your CV

INDJB

Power System Application Engineer - Distribution | ADMS, SCADA, OMS | £75-85k (Flexible)

Nicoll Curtin Technology

PSA Engineer - Distribution | ADMS, SCADA, OMS | £75-85k (Flexible) | UK-Wide | Hybrid

UK-wide (nearest office, 2 days/week onsite)

Permanent

£75-85k (flexible)

Must have UK citizenship or ILR - no sponsorship available

You’ll bring:

Hands-on experience with ADMS platforms, including DMS, OMS, SCADA, and DER

Strong technical background in C/C++/C#, Oracle SQL, Linux, and Python

Familiarity with Distribution Power Flow (DPF), Volt Var Control (IVVC), and FLISR/FDIR

Experience with system replication, FAT/SAT testing, and defect analysis

Knowledge of Transmission and Distribution grids, CIM modelling, and remote diagnostics

What you’ll do:

Design, implement, and optimise ADMS solutions to meet operational goals

Lead deployments and upgrades of ADMS systems with minimal disruption

Troubleshoot and resolve issues across SCADA, OMS, and DMS applications

Collaborate with internal teams and vendors to ensure system performance

Support model migration, CIM transformation, and advanced power systems development

Nice to have:

Exposure to Jasper Reports, Cassandra, Docker, Jenkins

Understanding of NERC CIP standards, TCP/IP protocols, and network troubleshooting

Experience working with Electric Utilities or System Operators

Strong communication and stakeholder engagement skills

Python Software Engineer

Core Talent Recruitment

Role: Python Software Engineer

Location: Bristol

Length: 6 Months

Rate: 50-55/hour Outside IR35

Join a project developing next-gen communication terminals. You’ll design and deliver Python-based RF test and calibration software that drives real hardware performance.

Essential Job Duties & Responsibilities

Design, implementation, and testing of software features in Python

Translate requirements into a detailed design that is functional and efficient.

Employ good practices to ensure appropriate quality, modifiability, extensibility etc.

High quality software development, including design, implementation, hardware interaction, testing, and release.

Usage of testing automation tools.

Interaction with the RF Testing team and other engineering disciplines to jointly optimize and verify the overall system performance.

What You’ll Bring

Degree in Computer Science, Electrical, Systems, or related engineering field

Strong Python skills; experience with frameworks like Django, Tkinter, or Matplotlib

Knowledge of version control and CI/CD pipelines

Comfortable across the full software lifecycle - from design to testing and maintenance

Detail-driven, proactive, and able to work independently or in an agile team

Thrive in a fast-moving, high-tech environment

Bonus Skills

Background in satellite or wireless communications

Experience with MATLAB, Linux, or hardware interfaces (Serial, Ethernet, SPI, CAN)

Familiar with tools like GitHub, Jira, and Confluence

Understanding of RF testing, instrumentation, and signal processing principles.

To apply, submit your application here or send your updated CV

Software Engineer C++ Python

Capgemini Engineering

Software Engineer Python C C++

Stevenage 3 days on site

£40,000 - £45,000

Your Skills

Sufficient to use stability tool analysis toolset and support investigation of behaviour in simulations

Signals processing skills: understanding PSDs, covariance for support in modelling/analysis of spacecraft pointing and stability performance.

Filtering/estimation

Background in Software Testing and/or Software development.

Analysis experience or experience with Python, C and C++

Experience in working with Avionics/Modelling/Simulation/Space

Excellent interpersonal skills and the ability to quickly build rapport with others

Self-motivated and able to use initiative

Organised, good time management and prioritisation

Methodical approach to work, with good attention to details and strong logic and reasoning skills

Willingness to learn new languages, skills and techniques.

MATLAB and Simulink

Your Profile

Due to the nature of this work, we will only be able to consider sole UK nationals who are eligible for SC.

If 75%+ of the criteria are met, then your application still may be considered as training and up-skilling will be provided to the right candidates.

Diversity & Inclusion

Capgemini Engineering recognises the benefit that having a diverse workforce brings to our projects. We value applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender identity, religion or belief, marital status, or pregnancy and maternity. In order to support diversity in our hiring process, your application will be anonymised when shared with hiring managers to be reviewed against the position.

Benefits

As a permanent employee of Capgemini Engineering you will have access to a range of benefits alongside your salary including an annual bonus scheme where you could share in the company s success. You will get 25 days paid holiday outside of the bank holidays, a pension scheme with employer contributions, options for private medical cover as well as life assurance and enhanced maternity/paternity pay. For some employees you will also be eligible to take part in our impressive employee referral scheme (£3,000 per employee referred).

About Us

Capgemini Engineering combines, under one brand, a unique set of strengths from across the Capgemini Group: the world leading engineering and R&D services of Altran acquired by Capgemini in 2020 - and Capgemini’s digital manufacturing expertise. With broad industry knowledge and cutting-edge technologies in digital and software, Capgemini Engineering supports the convergence of the physical and digital worlds. Combined with the capabilities of the rest of the Group, it helps clients to accelerate their journey towards Intelligent Industry. Capgemini Engineering has more than 52,000 engineer and scientist team members in over 30 countries across sectors including aeronautics, automotive, railways, communications, energy, life sciences, semiconductors, software & internet, space & defence, and consumer products.

Capgemini Engineering is an integral part of the Capgemini Group, a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided every day by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of 270,000 team members in nearly 50 countries. With its strong 50-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fuelled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms. The Group reported in 2020 global revenues of €16 billion.

Senior Engineer - Business Intelligence

TransUnion’s Job Applicant Privacy Notice

What We’ll Bring:

We Are TransUnion:

TransUnion is a major credit reference agency, and we offer specialist services in fraud, identity and risk management, automated decisioning and demographics. We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance.

What You’ll Bring:

We’re looking for a Senior Engineer to join our growing team.

Day to Day You’ll Be:

Develop, maintain, and enhance Business Intelligence Solutions, including database systems and Data Warehouses, using SQL Server 2017, Integration Services, Analysis Services, Reporting Services and Master Data Management, Microsoft Excel, Power BI, Fabric as appropriate.

Produce and run unit tests to ensure high quality of all changes and participating in the design and requirements capturing of new Business Intelligence initiatives

Problem solve and debug complex Business Intelligence systems, including database systems and Data Warehouses, to allow defect analysis and fixing

Collaborate across organization and be technical expert on Business Intelligence solutions.

Work with the team to ensure continuous process improvement

Mentor and train junior data engineers and guide them in understanding BI&DW best practices and standards.

Essential Skills & Experience:

Education to degree level (or higher) in relevant discipline preferred

Must have track record years of experience working in a business intelligence, data engineering or data related field.

Must have a passion for programming and data analytics

Advanced knowledge of T-SQL, SQL Server, and SQL Server Integration Services (SSIS).

Advanced level familiarity with BI technologies (e.g., Power BI, SSAS, SSRS).

Advanced experience using automated testing (e. g SQL Server database Unit Testing, Specflow).

Modern development practices such as Agile, source control, coding standards for example

Plans, organizes, and manoeuvres obstacles to deliver results

Critical thinking skills to identify root cause and permanent resolution

Experience with REST based API

Experience with PowerBI

Experience in data warehouse design (e.g., dimensional modelling)

Experience with cloud technologies and Python would be considered as advantage.

Commercial experience of Business Intelligence development using SQL Server 2017 and higher version, SSDT

Including IS/ AS/ RS, stored procedures, views, and functions

Experience of SQL Server 2017 Analysis Services (Tabular)

PowerPivot

Experience of writing unit tests and using build systems in conjunction with database systems

Experience with large databases

Impact You’ll Make:

What’s In It For you?

At TransUnion you will be joining a friendly, forward thinking global business.

As well as an excellent salary and bonus scheme or commission scheme (if joining our sales teams) our benefits package comes with:

26 days’ annual leave + bank holidays (increasing with service)

Global paid wellness days off + a bonus day off to celebrate your birthday

A generous contributory pension scheme + access to the TransUnion Employee Stock Purchase Plan

Private health care + a variety of physical, mental and financial fitness wellbeing programmes such as access to mindfulness tools

Access to our diversity forums and communities so you can get involved in causes close to your heart

TransUnion - a place to grow:

If there’s something on the list of essential / desirable skills that you can’t quite tick off, don’t let that put you off applying. We are open to exploring training and development opportunities for the right candidate to ensure you are successful.

We know imposter syndrome is real, lets confront it so we can continue to grow and thrive together

Flexibility at TU:

We recognise that our people need the freedom to balance their day-to-day lives with their work. This is why we’ve set out to create inclusive and flexible policies and practices for you to accommodate all your responsibilities and needs: children, family and beyond. If the role is advertised as full time, don’t let this stop you from applying. Let us know if you’re looking for a part time or flexible working arrangement and we can discuss this with you.

Additional support:

At TransUnion, we’re committed to fostering an inclusive and diverse workplace where all individual’s talents and perspectives are valued. When you apply for a position with us, you’re not just joining a team, you’re becoming part of a community that celebrates differences and embraces equality. We understand that everyone has different needs, which is why we offer a range of reasonable adjustments to our recruitment process. Please let us know if you require any reasonable adjustments to help you through the application process or to attend an interview with us by contacting (url removed)

Interview & Hiring Process:

Most of our recruitment processes are virtual, so you’ll get to know our hiring managers and teams over the phone and through video. If we need you to attend a physical in person interview your recruiter will inform you of this.

We do not accept any unsolicited CV’s from recruitment agencies. If you are a recruitment agency on our PSL our talent team will contact you directly should we require any assistance.

Find out more about Life At TU UK:

(url removed) is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

TransUnion Job Title

Engineer, Software Development

Senior Backend Developer

Backend Software Engineer Bristol 70 - 80,000 (doe)

Are you a talented and motivated Backend Software Engineer looking for an exciting opportunity to work on mission-critical financial systems?

As a Backend Software Engineer, you will play a crucial role in building and maintaining the software systems that support our middle and back-office operations. You will be responsible for ensuring the accuracy of financial data, facilitating risk monitoring, and streamlining compliance and trade reconciliation processes. This role is ideal for someone who enjoys working on core operational infrastructure.

Experience required:

Proficiency in Python for backend development and data processing.

Strong understanding of SQL, relational databases, and query optimization.

Experience working with cloud platforms (AWS).

Familiarity with Git and CI/CD workflows (GitHub Actions preferred).

Experience of working in the energy sector is desirable.

Please note that is role is 5 days per week in their central Bristol office - this is non-negotiable, so if you cannot commit to 5 days in the office, this company won’t be right for you. However, this is a brilliant time to join the business - they’re growing out a new team to focus on the European markets and you will receive unparalleled exposure!

Benefits include private healthcare, 30days holidays plus bank holidays, frequent company socials (Skiing Trips), learning and development opportunities and more!

If you are looking for a challenging and rewarding opportunity to utilize your skills in a dynamic and innovative environment, then we invite you to apply for the position of Backend Software Engineer. Join our team and make a significant impact in the world of financial operations!

Data Analyst (Entry Level)

Are you looking to kickstart your career in data?

Join iO-Sphere’s Data Analyst Experience Accelerator to land a job as a data analyst at a leading organisation!

Apply now to join our upcoming cohorts starting 26th January 2026

Why choose iO-Sphere?

We run a unique training programme - the Data Analyst Experience Accelerator - that is designed to secure individuals their next career step and become a data analyst. Instead of a traditional classroom, you’ll be part of the new data team at our fictional e-commerce company, “Prism.” From day one, you’ll build the experience that leading employers require while learning the technical (Excel, SQL, Power BI, Python), professional, and business skills that are needed for a career in data all the while learning how to use Ai to make you a future-ready analyst. You will be delivering real projects using our data warehouse, which has over 500+ million rows of real data.

We work with leading organisations looking to hire data analysts and match them with the best talent we have in our programs. We recruit our best students on behalf of our partner employers and use our training programmes to identity and up-skill people for their roles.

How does it work?

We work with our network of employers to understand their data talent needs. They are often looking for data analysts, senior analysts, data scientists, analytics engineers and effective managers

We recruit and train talented individuals over the course of 10 weeks to get them ready for the jobs with our employers

We match and connect our best students with our employers

Joining iO-Sphere means becoming part of the community for life. We continue to support our community with ongoing mentoring and training throughout their career

Ready to apply? It only takes a minute

The roles:

We work with many different organisations seeking to hire talented data analysts. The majority of these roles will require you to:

Identify, analyse, and interpret trends or patterns in complex data sets using technical tools like Excel, SQL, Power BI, and Python

Create dashboards, presentations, and recommendations to help solve complex business problems

Work with management to prioritise business and information needs

Generate strong insights about the business to be able to improve performance

Ideal candidates:

Highly numerate & analytical thinker

Curious problem solver

Humble and willing to learn

The ability to commit to full time for 14 weeks

Fluent in written and spoken English

What to expect on the Experience Accelerator:

The Experience Accelerator is a flexible 14-week programme to give talented data professionals the technical skills and experience to take their career to the next level. By the end, you will be an effective data analyst with the toolkit to land the job you want

The first 5 weeks are full-time and fully remote

The final 5 weeks are full-time and remote

Ready to apply?

Step 1: Complete the 1-minute application form

Step 2: Proceed with the remaining steps of the application process

Step 3: Commence your journey with us

We strongly encourage applications from women, people of colour, lesbian, gay, bisexual, transgender, and non-binary individuals, veterans, parents, and individuals with disabilities. We are committed to equal opportunities and welcome individuals from all backgrounds to participate in our program. If you require reasonable adjustments at any stage of the application or interview process, please inform us.

C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent

Central London | Onsite 5 Days

We’re seeking experienced C++ Quantitative Developers (Senior & Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment.

Key Skills & Experience:

Strong C++ (11/17/20+) with Multithreading & asynchronous programming.

Deep knowledge of Linux internals & networking.

Experience with low-latency, Real Time trading systems.

Background in equities trading/execution algorithms.

Familiarity with Python for quantitative research (desirable).

Strong computer science fundamentals (data structures, algorithms, OOP).

Role Highlights:

Develop execution algorithms, order management, connectivity & messaging systems.

Collaborate directly with trading teams to optimise execution performance.

Build robust, resilient, and high-performance trading infrastructure.

Contribute to automated testing, performance benchmarking, and tooling.

Permanent Role - Central London (Onsite 5 Days)

Apply Now

If you’re an experienced C++ developer with low-latency trading expertise, we’d love to hear from you.

Senior Python Developer/Technical Lead - SQL/AWS/OOP

Senior Python Developer/Technical Lead - SQL/AWS/OOP - Permanent

Remote working

Competitive salary

We are currently recruiting for a team of senior Python Developers and Technical Leads required for a leading global transformation consultancy based UK wide. The ideal candidates will be responsible for driving development projects, mentoring a team of developers and collaboration across other IT teams. Experience surrounding design and implementation of scalable software solutions is key.

Key skills and responsibilities:

Experienced in designing and developing scalable applications using Core Python and frameworks like Flask. Skilled in applying OOP principles, efficient data structures, and robust exception handling. Collaborates effectively with Front End teams using JavaScript, HTML, and CSS to deliver seamless user experience.

Proficient in SQL database design and optimization for reliable data storage and retrieval. Manages cloud infrastructure with AWS Core Services and Terraform, and builds serverless and containerized solutions using Docker.

Leading system integration, debugging, and performance tuning to ensure application stability. Mentoring of junior developers in GitHub version control, coding standards, and best practices. Applies event-driven programming and design patterns like MVC/MVT.

Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests. Experienced in data analysis and visualization to support strategic decisions. Known for strong problem-solving, attention to detail, and ability to thrive in fast-paced environments.

Interested? Please submit your updated CV to Lewis Rushton at Crimson for immediate consideration.

Not interested? Do you know someone who might be a perfect fit for this role? Refer a friend and earn £250 worth of vouchers!

Crimson is acting as both an employment agency regarding this vacancy

Python RAD Developer - Cross Assets Trading

Python Developer - Cross-Asset Front Office RAD Team

We are currently recruiting a Python Developer to join the Cross-Asset trading RAD team for one of our leading financial clients.

In this role, you’ll work directly with traders, sales, and quantitative analysts to design and deliver high impact tools and applications supporting multiple asset classes (FX, Equities, Swaps). This is a fast paced, hands-on position focused on building rapid, practical solutions that enhance trading and risk management activities.

You’ll be involved in developing Real Time dashboards, pricing and trading tools, leveraging Python and modern development practices to drive performance and efficiency.

Key Responsibilities

Partner closely with trading and sales teams to capture requirements and deliver rapid, fit for purpose solutions.

Design, develop, and maintain Python based RAD tools for trade capture, risk management, and analytics.

Integrate with pricing engines, market data feeds, and trade booking systems across multiple asset classes (FX, Rates, Credit, Equities).

Develop user interfaces and dashboards to visualise market and risk data effectively.

Ensure all solutions are robust, scalable, and compliant with IT and regulatory standards.

Skills & Experience

Strong proficiency in Python, with a focus on rapid prototyping and data driven applications.

Solid understanding of multi-processing and AsyncIO.

Experience with pandas, NumPy, and SQL for data analysis and transformation.

Exposure to REST APIs, messaging systems, and integration with trading or risk platforms.

Hands-on experience building Front End tools or GUIs.

Proven ability to work directly with Front Office stakeholders.

Strong problem-solving skills and ability to deliver under tight deadlines.

Familiarity with financial products such as FX, Rates, Credit, or Equities.

Understanding of P&L, risk metrics, and the trade life cycle.

Experience with Excel integration (VBA, xlwings, COM).

Previous experience within a banking, hedge fund, or trading environment.

If your experience is relevant to this role and you have worked in a RAD technology trading team before then please submit your CV to be considered for the role.

Technical Support Frontend Engineer (UX)

Proactive Appointments

Our client is looking for a Technical Support Engineer with specifically UX and Front End experience. You will provides technical support to field engineers, technicians and product support personnel who are diagnosing, troubleshooting, repairing and debugging complex computer systems, complex software or networked/wireless systems.

You will respond to situations where first-line product support has failed to isolate or fix problems in malfunctioning equipment or software.

12 months

Inside IR35

£215 per day

Key skills & experience

UI development or support experience

Experience in two (or more) of the following: CSS, AJAX, ReactJS, GraphQL, AngularJS, Mobile application development

Reading and debugging Java and JavaScript code (Writing JavaScripts will be beneficial)

Troubleshooting experience using browser developer tools

Advance knowledge of the components in cloud/web applications and experience in Application Support. Mobile application support experience will be bonus.

Scripting languages: JavaScript, Python, Perl, Unix Shell, Windows Shell)

Good experience with relational databases (eg MySQL, Oracle).

Good experience writing or debugging Object Oriented code (Java preferred, other relevant technologies ok)

Experience using Linux/Unix OR Microsoft Server

Demonstrated ability to understand the problem statement and troubleshoot complex technical issues with ease

Excellent written and verbal communication skills with the ability to clearly articulate solutions to complex technical problems

Leading investigation and resolving complex issues and escalations while demonstrating exceptional technical understanding, business process and customer needs in timely manner.

Desirable Skills

Experience providing SaaS support

Experience developing applications within the ServiceNow Platform

Experience diagnosing performance related issues.

Experience using tools like Eclipse, Splunk, Xcode, Android studio, SauceLab

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website

Senior Guidewire Developer

Guidewire Developer - Certified

Location London

Salary: £90,000 - £110,000 per annum + 20% Bonus

Type: Permanent, Hybrid (2 days in London)

About the Role:

An Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London.

The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud.

This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire.

Key Responsibilities:

Leadership: Leading the development, design, architecture, integration, and customisation of Guidewire for the insurer.

System Integration: Creating seamless connections between ClaimCenter and other systems, including PAS, document management systems, and external data providers.

Platform Monitoring: Determine requirements for specific alerts, set up alerts for various events and thresholds, utilise Datadog logs and dashboards for error analysis, and track DXC downtime while communicating updates to users.

Platform Updates: Conduct a 3-way merge of updated code, validate new versions, and implement new features from updates.

Stakeholder management: ability to work closely with the business, gathering requirements and work closely with the Scrum and broader software teams.

Requirements:

Certified in Guidewire - Ideally to Professional Level

Experience onboarding and integrating Guidewire for a specialty insurer

Proficiency in coding with GOSU, Java, C#, or Python

SQL and other relational database experience, along with supporting database applications

CI/CD and DevOps experience for test automation and cloud deployment

Why Join this business?

Innovative Projects: Be at the forefront of pioneering solutions within the Guidewire Cloud.

Working within a small team for specialty insurance.

Career Growth: Join a brand-new team with lots of scope for development and growth.

Competitive Package: Attractive salary and bonus structure.

Apply now for consideration or reach out to (see below)

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Frequently asked questions

What types of Python jobs can I find on this platform?

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