1 to 25 of 71 Java Engineer Jobs in the UK

Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length … month initial contract, strong likelihood of extension Location: Scotland (fully on site) Key Skills & Experience: Strong core Java development background Experience with Spring Boot Exposure to Azure App Services Proficiency with CI/CD pipelines (Jenkins preferred) Terraform experience desirable Must have valid Right to Work ...

Java Engineer | Must be Scotland based (no relocation) !!! (Edinburgh) | Must have Azure experience! | £550-£700 (Inside IR35) | 6 months initially (likely extension) We're looking for a Java Engineer, that has previous experience working with Azure, specifically Azure app services for a range of exciting projects. … Rate: £550-£650 (Inside IR35) Length: 6-month initial contract, strong likelihood of extension Location: Scotland (fully on site) Key Skills & Experience: Strong core Java development background Experience with Spring Boot Exposure to Azure App Services Proficiency with CI/CD pipelines (Jenkins preferred) Terraform experience desirable Must have ...

Principle Java Engineer Salary to £ 7 0k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV ) clearance i.e. you have at least 5 years residency … growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a n experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Java Engineer Salary to £ 45 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency … data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients ...

Java Engineer (Edinburgh) On site! £550-£650 (Inside IR35) 6 months initially (likely extension) (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length ...

Role: Lead Java Engineer - Risk & Compliance Platform Location: London (hybrid) Salary: £125,000 - £150,000 + Bonus Are you an exceptional Java engineer ready to step into a true leadership role within one of the most critical platforms in global banking? We're working with … tier financial institution who are expanding their Risk & Compliance Platform Team and are looking for a Lead Engineer to help shape and deliver large-scale, business-critical systems across Market and Credit Risk. You'll be responsible for designing, building, testing and implementing high-quality software across the full ...

Senior Core Java Engineer - Low-Latency Trading Salary: Up to £125,000 + bonus + benefits Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer … fast-paced financial environment, this is the role for you. What you'll be doing Design, build and optimise low-latency, high-throughput Core Java trading systems Own and drive performance improvements across critical components Contribute to the architecture and evolution of a world-class FX trading platform processing ...

Software Engineer (Java) | Defence Consultancy | 6 Month Contract | Up to £600 per day (Inside IR35) | Dorchester (3 days per week on-site) MERITUS are excited to be partnered with a growing Defence Consultancy. They're supporting a large Defence Client based in Dorchester. They're looking … experienced SC Cleared Java Developer to join on a key project. This is a fantastic opportunity for a skilled Java Software Engineer with strong experience in microservices, service-oriented architecture (SOA), APIs, and containerised environments to work on secure, mission-critical systems. The successful candidate will join ...

Software Engineer (Core Java) - Low-Latency Financial Trading! Salary: £70,000 - £90,000 + bonus + benefits Location: 3 days onsite, City of London Looking to enter the fast-paced environment of financial trading? Do you have experience working in Core Java, high-throughput environments? This role … work on cutting-edge trading solutions! This highly respected financial institution is expanding its London office and is on the lookout for a Java Software Engineer to contribute to the development of their world-class FX trading platform. As a Java Software Engineer, you will: Collaborate ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. … will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software Engineer includes: Desktop application development, ideally with Java UI frameworks, e.g. JavaFX, Swing, Qt Object-oriented design and development Multithreaded development Desired ...

exciting opportunity for a Java Software Engineer has arisen with a Fortune 100 organisation and global leader in EDA, based in Edinburgh. This is a great opportunity for a Java Software Engineer to develop and maintain the codebase in Java. You will implement new features … capability of the tools, while contributing to the development and maintenance of PDKs. You will commit on an onsite working model. Experience for the Java Software Engineer includes: MSc in STEM subject OR BSc in STEM subject with 2+ years of relevant industry experience A-Levels graded ...

Principal/Senior Java Engineer – Ultra Low Latency Trading Systems Location: London (Hybrid) The Opportunity A leading global quantitative trading firm is seeking an exceptional Java Engineer to join one of the highest-performing engineering teams in systematic trading. This firm operates at the forefront … hardware level, and partnering closely with quantitative researchers to deliver production-grade trading platforms. Key Responsibilities Design and develop high-performance Java trading infrastructure Build systems processing millions of events per second with deterministic latency requirements Optimise JVM behaviour, memory management, and concurrency models Identify and eliminate performance bottlenecks ...

Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). ...

Software Engineer (Java/Full Stack) | Contract-to-Perm | London Location: Liverpool Street, London (Hybrid - 2-3 days onsite) Rate: £550 per day (Inside IR35) Type: Contract-to-Permanent Start Date: Early to Mid-April 2026 The Opportunity We are looking for a versatile Software Engineer … long-term stability or a permanent developer looking to "test-drive" a major modernisation project before committing. The Role As a Full Stack Engineer, you will design and improve software that delivers business-critical capabilities for both customers and internal colleagues. You will work closely with stakeholders-including Sales ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … building robust microservices that support high-traffic user experiences, serving thousands or millions of concurrent users. What We’re Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Senior Software Engineer/Developer (Java AWS Kafka) London/WFH to £140k Are you a Java technologist who enjoys building systems from scratch? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy … system, designed for today's complex global markets. The company is experiencing great success and is expanding into the UK. As a Senior Software Engineer you will take ownership of building a brand new Futures Trading platform for the UK, primarily using Java with a focus on backend ...

Java Full Stack Engineer – Data Analytics Location: Glasgow, UK Work Mode: Hybrid (Remote) Job Type: Full-Time/Permanent We are hiring a Java Full Stack Engineer with strong Data Analytics experience to join a dynamic technology team based in Glasgow . This is a hybrid … role , offering the opportunity to work on modern, scalable systems using advanced Java, cloud, and data-driven technologies. Role Overview The ideal candidate will have strong hands-on experience in Java Full Stack development , modern frameworks, microservices architecture, and data analytics platforms . You will work closely with ...

Full Stack Engineer (Java/ReactJS) Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java/ReactJS) for an initial 6 month project (highly likely to renew). This is a hybrid role, with … management Identifying process inefficiencies and implementing innovative, programmatic improvements Required Experience Strong software engineering background with proven experience designing, developing, and deploying backend applications Java (preferably recent versions) Front-end development using ReactJS Experience delivering solutions within a microservices architecture Regular delivery of changes to production at high cadence ...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week. Your responsibilities: Contribute across the full software development lifecycle, including design … development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests ...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract. Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid/Remote working: The role will be onsite a compressed 4 day week (Monday … quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview Process: One stage Video Interview Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack ...

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge … Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech ...

Java Software Engineer - Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge … Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech ...

Full Stack Engineer (Java/ReactJS) Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java/ReactJS) for an initial 6 month project (highly likely to renew). This is a hybrid role, with ...