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Java Developer - Java, REST APIs, Microservices, JBoss, Unit testing, Payments, Financial Services, Fleet - paying up to £65,000 A leading financial services institution is seeking an experienced Java Developer to join their Gateway & Acquiring Platform Division. In this role, you'll be responsible for maintaining and upgrading their core platform, working on modernizing a Legacy system while helping to establish a microservice architecture. You'll also contribute to the enhancement and expansion of existing solutions. This is an exciting opportunity to join a rapidly growing area of the...  more ->

Java Developer/Contract/£400 Inside IR35/on site/Bournemouth About the Role: Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize Real Time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and streaming solutions for high-throughput systems. Deploy, manage, and monitor services in containerized environments (Docker/Kubernetes). Write efficient and optimized SQL queries for relational databases. Integrate and manage applications in AWS cloud environments. Collaborate with cross-functional teams...  more ->

Java Developer | Backend | Microservices | FinTech | London | Hybrid | £90k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it's designed to protect users from local currency devaluation and make international spending easier. The team consists of people with experience in leading companies such as Revolut, Goldman Sachs, Boston Consulting Group, McKinsey, UBS and more. They are backed by huge investors and work with partners such as...  more ->

Java Developer - Agile - Banking We are seeking an experienced Java Developer with solid banking and financial-services experience to join a growing, fast-moving engineering team. The role suits a technically strong developer who enjoys building new solutions, solving complex integration challenges, and taking ownership across the full development life cycle. Key Responsibilities Collaborate with senior Java engineers and Agile transformation teams to design, architect and deliver greenfield, brownfield and integration applications using best development practices. Apply sound technical...  more ->

Java Developer - Risk Platform (Equity & Equity Derivatives) Overview A top-tier Investment Bank is seeking a talented Java Developer to join its Front Office Risk Technology team. You will help design and enhance a high-performance used across trading, structuring, and quantitative research. This is a hands-on engineering role where you will work on scalable services, Real Time risk calculations, a click apply for full job details more ->

Java Developer Leeds (Hybrid) Permanent £70,000 - £75,000 (DOE) Java Developer needed for a permanent career opportunity based in Leeds (Hybrid). Start ideally Feb/March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Leeds office. A chance to work with a leading global IT transformation business specialising in delivering large-scale Government digital modernisation projects. Key skills, experience + duties to include: Java Developer needed with strong front/Back End development skills + experience of AWS Cloud environments. Designing, developing +...  more ->

Java Developer - £55,000 - £65,00 - Remote Working We are looking for a number of Java Developers to work for a Digital consultancy across several of their key clients. You will be joining a dynamic team and contributing to the development of cutting edge applications. The ideal candidate would have worked in the Public Sector, Civil Service or for a consultancy to be suitable for this role. This is a fantastic opportunity to work on complex, projects using a modern tech stack. If you thrive in an environment that values technical excellence, collaboration, and continuous learning, please...  more ->

Senior Java Developer - AI first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java Back End skills. Proven track record in modernising production systems and designing APIs/microservices. Deep understanding of Legacy migration strategies and service decomposition. AI/LLM Implementation Skills Hands-on experience with AI development tools (eg, Claude Code, GitHub Copilot) and Model Context Protocol (MCP)....  more ->

Job Title: Java Developer Salary: £60 - £65k + 5% Penstion + Travel Covered Location: Remote Clearance: BPSS Stages: 2 Stages Must have Government experience Key Responsibilities Design, develop, and maintain software solutions using Java, Node.js, and TypeScript. Write efficient and secure Shell Scripts to support automation and system tasks click apply for full job details more ->

We are looking for a Java Developer for one of our public sector clients. Rate: up to £600 per day (inside IR35) Duration: 6 months Location: UK, remote working For full details regarding this Java Developer position, please apply here and we'll be in touch more ->

Must have Government experience My client are looking for an experienced Java Developer with strong expertise in AWS and Spring Boot to join our engineering team. You'll play a key role in designing, building, and maintaining scalable, secure, and high-performance applications within a cloud-native environment. Essential Skills & Experience: Java AWS Spring Boot more ->

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an SC-cleared Java Developer to support a central government digital programme , working on Java and Spring Boot applications hosted on AWS.The role focuses on maintaining and enhancing production-grade services, embedding secure-by-design and zero-trust principles, and collaborating closely with DevOps, Application Support, and business stakeholders to ensure stability, resilience, and operational excellence within...  more ->

Lead Java Developer | Backend | Microservices | FinTech | London | Hybrid | £140k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it's designed to protect users from local currency devaluation and make international spending easier. The team consists of people with experience in leading companies such as Revolut, Goldman Sachs, Boston Consulting Group, McKinsey, UBS and more. They are backed by huge investors and work with partners such...  more ->

Contract Java Developer (AI-Powered) Location: 5 Days p/w Onsite - Birmingham Duration: 12-Month Contract IR35: Outside IR35 Rate: £550p/d - £650p/d Opus is partnering with a financial services business to work on a new workflow reporting platform and data sourcing. They are looking for a Java Contractor that has commercial experience using AI Coding Tools. Required Skills & Qualifications Java AWS Commerical Experience using an AI Coding Tool such as (DevinAI, Cline, SWE-Agent, Devika, Cursor, Github Copilot, Windsurf) Interested? Click apply if you are interested in this position or email...  more ->

Senior Java Developer Hybrid - 2 days onsite Our client, a leading enterprise organisation undergoing significant digital transformation, is seeking an experienced Senior Java Developer to join their high-performing engineering team. This is an excellent opportunity for a seasoned professional who thrives in complex environments and enjoys working with modern Java technologies at scale. What you'll bring: Proven experience in software design and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring...  more ->

Senior Java Developer Contract - Analytics/Risk/PnL/Caching/AWS/PostgreSQL/Kafka/TDD Our leading investment banking client is looking for a Senior Java Developer to join them on an initial 12 month contract. Skills Required Derivatives, risk management and trading, market risk Market Data Financial Market exp Investment Banking development experience Java 17+ dev experience Apache Kafka Postgre SQL Contract - Central London based - flexible working - paying market leading rates By applying to this job you are sending us your CV, which may contain personal information. Please refer to our...  more ->

Job Title: Lead Java Developer Rate: £572 (Inside IR35) Duration: 6 months Location: Remote - One Day Onsite in Manchester per week Clearance: BPSS Stages: 1 Stage Must have hands-on experience with Azure , Java , API & system integrations , Back End development , and microservices architecture.Key Responsibilities Lead the design and development of scalable Java-based Back End services Provide technical leadership and guidance to development teams Design, build, and maintain microservices architectures on Microsoft Azure Develop and integrate RESTful APIs and support complex system...  more ->

Inside IR35 £570 Hybrid - 1 day per week in Manchester Public Sector Project 6-12 Months Overview We're looking for an experienced Lead Java Developer to join a major public sector digital transformation programme. You'll lead technical delivery across complex Java-based services, guide engineering teams, and ensure best-practice development aligned with GDS standards. Key Responsibilities Lead end-to-end development of scalable, secure Java services within a multi-team environment. Provide technical leadership, mentoring and direction to Java engineers. Work closely with architects, product...  more ->

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Role: Senior Java Developer Duration: 12 Months Location: Welwyn Garden City (2 to 3 days in office) Rate: £700 inside umbrella As a Senior Java Developer, you will be a vital contributor to our...  more ->