Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity’s London office. You will act as the team lead and play a key role in building mission-critical financial applications that power trading, investment, and risk management systems across the firm.

If you are passionate about working in a dynamic, fast-paced environment and are eager to apply your technical expertise to the financial services industry, this is the role for you.

Key Responsibilities:

• Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services, including trading platforms, investment systems, and risk management tools.
• Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such as EC2, S3, RDS, DynamoDB, and Lambda to create scalable, reliable, and secure infrastructure.
• Implement and manage containerized applications using Kubernetes, ensuring seamless orchestration, scaling, and resilience in a cloud environment.
• Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security.
• Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards and business needs.
• Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services.
• Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production systems.
• Proactively identify issues and bottlenecks in existing systems and propose solutions to improve the system’s performance and scalability.
• Stay updated with new tools, technologies, and industry trends in cloud computing, containerization, and financial systems to continuously improve development practices and outcomes.

Ideal Skills:

• Proven experience (2+ years) in GoLang Back End development, with a strong focus on performance optimization and building scalable systems for high-volume, high-frequency financial applications.
• Strong experience working with Amazon Web Services (AWS), including EC2, S3, RDS, DynamoDB, Lambda, and other cloud-native technologies.
• Hands-on experience with Kubernetes for deploying, managing, and scaling containerized applications in a cloud environment.
• Solid understanding of financial systems and services, particularly in areas such as trading platforms, investment management, and risk analytics.
• Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems.
• Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices.
• Experience with database systems (relational and NoSQL) and working with financial data.
• Familiarity with DevOps practices and tools to streamline the development life cycle, such as infrastructure-as-code (eg, Terraform or CloudFormation).
• Ability to troubleshoot and resolve issues in production environments, ensuring uptime and performance in high-pressure, mission-critical scenarios.
• Excellent communication skills to collaborate effectively with cross-functional teams and stakeholders in a fast-paced financial environment.
• Experience with serverless computing (AWS Lambda, etc.) to create efficient and scalable solutions.
• Knowledge of financial industry regulations and standards, particularly around data security and privacy.
• Familiarity with event-driven architectures or message queues (eg, Kafka, RabbitMQ) for Real Time data processing.
• Experience with automated testing frameworks and continuous delivery tools like Jenkins, GitLab CI, or CircleCI.
• Understanding of performance monitoring and observability tools such as CloudWatch, Prometheus, or Datadog.

Interested? Please Apply!

Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform

Adword

Job title: Java Developer with SQL & GIT

Duration: Permanent

Location: London - Hybrid (3 days a week from office)

Job description:

We are seeking talented Senior Hands on Java Developers to join our core Fixed Income team in lead and support roles To help design develop and implement our applications to support front office and operations groups Work crossfunctionally with various stakeholders trading teams and technology departments to ensure our applications are running at optimal performance You will take a handson approach to understanding business workflows and the products we work with You will help reengineer and modernize our platform and drive our migration to a scalable microservice cloudbased architecture

Qualifications

• Bachelors or higher degree in computer science engineering or a related discipline or equivalent work experience required
• 10 years of experience in software development required
• 5 years of experience working with Fixed Income Products and Associated Electronic Workflows
• Strong proficiency with Java SQL and Git
• Very good understanding of industry standard trading protocols like FIX FpML
• Proficiency with Data Standards Data Modelling
• Proficiency with textbased formats like XML JSON
• Strong Proficiency with messaging frameworks MQ Kafka
• Proficiency with Spring Spring Boot Spring Integration
• Familiarity with testing patterns and dev ops
• Familiarity with cloud containerization
• Comfortable in Windows and Linux environments

If you’re excited about application security, identity management, and creating robust, secure solutions for modern architectures, we want to hear from you!

Please apply with a copy of your CV or send it to Prasanna com and let’s start the conversation!

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

Role: Python Developer

Salary: £140,000 P/A + Bonus + Benefits

Location: London

Client: Top Fintech

My client is a well-established and successful tech house working in the finance sector who are looking for a Python Developer, with outstanding technical and communication skills to join their existing team of software engineers!

You will get the chance to work with some of the best technologists out there, hailing from a variety of the top tech houses and trading firms, to work on some of the most modern, innovative software in finance.

You will get the opportunity to build one of the most scalable and performant data platforms, not only in the finance space, but in the world. Working alongside some of the smartest people in London, you will get a true input into the end to end SDLC and get to make a genuine impact on a growing business.

Requirements:

• Strong experience with Python (2+ Years)
• Experience working with REST Microservices
• Strong SQL
• Experience working with very large data sets.
• Knowledge of big data tools (Spark, Kafka etc)
• Experience working in finance (Preferred)
• Strong formal education - ideally in Computer Science

If this sounds of interest, then please do not hesitate to apply ASAP! Interviews taking place immediately!

Up to £500 per day - Inside IR35

Remote / Must be UK based

6 months

My client is an instantly recognisable consultancy who require a Release Manager with Active SC clearance for an end client within the public sector.

Key Requirements:

Proven commercial experience working as a Release Manager within the Public Sector.
Active SC Clearance.
Own and coordinate end‑to‑end release cycles for AWS‑hosted Java/Spring Boot services, ensuring readiness, dependency management, quality checks and stakeholder communication.
Oversee deployments through CI/CD pipelines (Jenkins or similar), managing environments, resolving issues, and supporting teams working with Dockerised microservices and SQL databases.
Ensure governance, risk management and adherence to change‑control processes, including validating test coverage and sign‑off criteria ahead of releases.
Drive continual improvement in release processes, collaborating with agile delivery teams and leveraging knowledge of tools like Swagger/OpenAPI, Gradle, Liquibase, Kafka, React and Typescript.
Nice to have:

Immediate availabilityHays 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)

Are you a Data Engineer passionate about buildingscalable, cloud-first data platformsthat power business insights and innovation? Our client is seeking an experienced engineer to design robust, secure, and future-ready data solutions that support analytics, AI, and strategic decision-making.

What Youll Do:

• Build, test, and maintainETL/ELT pipelinesfor structured and unstructured data.
• Design and optimisedata warehouses, lakes, and cloud-native platforms.
• Implementmonitoring, security, and compliance frameworksin line with regulations (e.g., GDPR, financial standards).
• Deliverhigh-quality datasetsto analysts, data scientists, and business stakeholders.
• Work with modern technologies, includingcloud platforms, orchestration tools, and streaming frameworks.

What Were Looking For:

• StrongSQL & Pythonskills.
• Hands-on experience withETL/ELT tools(e.g., Matillion, Talend, FiveTran, Azure Data Factory).
• Experience designing and managingcloud data platforms(Snowflake essential; AWS/Azure/GCP desirable).
• Soliddata modelling knowledgeand performance optimisation skills.
• Awareness ofdata governance, security, and regulatory compliance.
• Ability to work closely with technical and business teams to deliver impactful solutions.

Nice-to-Haves:

• Orchestration tools (Airflow, dbt, Prefect) or streaming frameworks (Kafka, Kinesis).
• CI/CD experience and DevOps practices for data workflows.
• Exposure to data visualisation platforms (PowerBI, Tableau, MicroStrategy).
• Experience in financial services or other highly regulated industries.

Location: London

Day Rate: 595 per day (Umbrella, inside IR35, based on an 8-hour day)

Clearance: Live & transferrable SC required, ideally Home Office SC

Start Date: Subject to SC transfer

We’re looking for a full-stack Java Software Engineer to join a fast-growing team delivering high-impact solutions for UK Government and Law Enforcement sectors. You’ll work in agile, multi-disciplinary teams solving complex problems with cutting-edge technologies, while contributing to software solutions you can be proud of.

What You’ll Do

• Design, develop, and deliver high-quality software solutions in Java, React, PostGres, Kafka, ElasticSearch, AWS, Ansible, REST, Docker, API Gateways, JavaScript, Mongo, and SQL.
• Work hands-on across the full stack while ensuring delivery pipelines, NFRs, and industry best practices are met.
• Collaborate with enterprise teams in an agile environment, shaping technical solutions and mentoring peers.

What We’re Looking For

• Proven experience as a full-stack Java developer, with hands-on knowledge of modern frameworks, databases, APIs, and cloud services.
• Strong understanding of agile delivery practices and enterprise software development pipelines.
• A proactive, collaborative mindset and a passion for delivering innovative, high-quality software.
• Live & transferrable SC clearance essential (Home Office SC preferred).

If you’re an SC Cleared Software Developer looking for your next contract within a secure, cutting-edge programme, I’d be keen to speak with you.

Apply now or message me directly for a confidential discussion.

Location:London (Hybrid)

Type:Permanent

Industry:High-Performance Trading / Financial Markets

About the Company

Immersive Finance provides institutional-grade risk infrastructure for digital asset derivatives. Our team comprises seasoned traders, quantitative researchers, and technologists with decades of experience at leading buy- and sell-side institutions. We specialise in advanced risk management solutions, pricing analytics, and market data, enabling institutional clients to capitalise on opportunities in digital asset derivatives. We are committed to delivering cutting-edge technology and insights to clients operating in this dynamic market.

Must Have Experience

• Experience in delivering production code.
• 5-10 yearsin Finance or Trading Systems.
• AdvancedC++skills.
• StrongPythonengineering experience.
• Strong understanding ofdatabases(SQL and high-performance solutions).
• Expertise in building and supportinghigh-availability,mission-critical systems.

Desireable

• Experience building and deploying docker containers.
• Experience ofFX,Crypto, orDerivativesmarkets.
• Experience withPostgres,ClickHouse, or other high-performance storage solutions.
• Exposure to real-time data, low-latency networking, and distributed systems.

Our Stack

• Python, C++.
• Multi-cloud infrastructure/deployment.
• Standard SDLC (i.e., Git workflow, build, continuous integration).
• Git/JIRA/Confluence.
• High-availability database clusters (Postgres Timescale DB)
• Queues (i.e., Kafka).
• Linux.
• High-performance distributed contributing.
• Interfaces - API/Websockets.

What We’re Looking For

• Someone who ships high-quality code quickly.
• Someone who doesn’t need hand-holding,
• Someone who likes solving gnarly engineering problems in fast-moving markets.
• Someone who takes ownership and isn’t afraid to call out bad assumptions.

Why Join Us?

You’ll work in a small, sharp, highly technical environment where your engineering decisions directly shape the platform. No bureaucracy, no pointless meetings, no slowdowns; just hard problems, smart people, and serious impact.

What You’ll Do

• Design and build robust software as a service providing tools for real-time pricing, market data, risk management, and position lifecycle management of digital assets and structured products.
• Work across C++, Python, and modern database technologies to support execution, pricing, risk, and market data.
• Engineer systems that are resilient, highly available, and capable of handling high throughput.
• Collaborate closely with quants, products, and founders to ship features that genuinely move the needle.
• Optimise performance, streamline infrastructure, and keep the platform rock-solid under load.

Join our team here at StepStone and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies.

Working in the Design and Platform Performance domain, you willlead the technology side of web and mobile analytics for a platform with over 50 million visits each month, deliver the best user experiences and personalisation for talent and talent seekers. We built in-house large scale tracking platform, powered by Tealium, Kafka and Adobe Analytics, and successfully rolled it out to 10 of our brands. Along with the tracking we are owners of our AB testing tool Optimizely, our in-house Design System Genesys and Frontend Framework, which when put together powers the product development at scale using a data driven approach.

You will play a vital role as we reimagine the labour market to make it work for everybody.

Your responsibilities:

• Managing and mentoring engineering professionals in your teams and domain, setting objectives for your teams and domain, owning the delivery of the outcomes, monitoring ongoing progress and performance within the OKR framework
• Partnering with your product manager, other engineering managers, staff engineers, architect, agile coach and engineering director to formulate a domain level technical strategy
• Building and maintaining relationships with both internal and external stakeholders
• Facilitate communication between teams under your leadership and enabling free exchange of information within your sphere of influence, developing appropriate organisational structure together with the Engineering Director
• Resourcing of plans to support the business objectives and working with the Engineering Director on budgeting within the domain

Qualifications

• Experience of providing technical leadership to an engineering team; with excellent analytical, problem solving and influencing skills, resilient, open to change and results oriented
• Experience of coding and testing of analytics tracking code using Tealium iQ, Tealium Event Stream, and Adobe Analytics
• Experience of integrating data sources via web and hypermedia APIs
• Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps
• Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce and mobile applications background

Additional Information

Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. Here are some of the benefits we offer:

• 29 days holiday allowance + bank holidays
• Private medical and dental healthcare
• Matching pension contribution of 4 or 5% (after 3 years of service up to 10%)
• 24/7 Employee Assistance Programme
• Life Assurance Cover
• Cycle to work scheme
• Hybrid working model (3 days working fromthe office)
• Volunteering days
• and you can bring your dog to the office onMondays and Fridays!

Our commitment

Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic.

As a global business we further our DEI and sustainability progress by working with national and international bodies and are proud to have been recognised for our work - both locally and internationally, including:

• Armed Forces Covenant: SilverAward, Employer Recognition Scheme
• EcoVadis: Bronze Award
• Fertility Friendly Employer, accredited by Fertility Matters at Work
• RIDI (Recruitment Industry Disability) Awards: Inclusive Technology Award 2024
• Stonewall: Gold Award
• Stonewall: Top 100 Workplace Equality Index (85)

Job Description:

• We are seeking a Payment Solution Architect with deep experience in banking and payments to own architecture decisions for a suite of payment applications. The role focuses on defining end-to-end solution designs, ensuring alignment with enterprise architecture standards, and guiding delivery teams to build scalable, secure, and high-performance payment systems.

Key Responsibilities:

• Own and drive architecture design and decisions across multiple payment applications.
• Define solution vision, system interactions, interfaces, and non-functional requirements.
• Ensure alignment with enterprise architecture, governance standards, and regulatory requirements.
• Lead architecture trade-off decisions covering scalability, security, resilience, and availability.
• Act as a trusted advisor to technology leadership, product owners, and delivery teams.
• Drive adoption of architecture standards, patterns, and roadmaps.
• Mentor junior architects and collaborate with global delivery teams.

Required Experience & Skills:

• 20+ years in IT with 10+ years in Solution Architecture.
• 5+ years in Banking / Financial Services, preferably Payments.
• Strong expertise in microservices architecture, cloud platforms (AWS/Azure/GCP), containers, Kafka, and distributed systems.
• Proven experience designing high-throughput, low-latency applications.
• Strong background in architecture governance, design reviews, and decision documentation.
• Experience working across Agile and Waterfall delivery models.