26 to 50 of 100 Java Engineer Jobs in the UK

Integration Engineer - Java 8, MQTT £Market Rate (Outside IR35) Remote/London 3 Months My client is seeking an Integration Engineer to design and implement an integration layer using Java 8 and MQTT, supporting real-time processing and back-office updates. This is a hands … engineering role involving development, testing, and close collaboration with customer stakeholders as the POC evolves into a production-ready solution. Key requirements: Strong commercial Java 8 development experience Proven background with MQTT integrations Experience with PostgreSQL databases Comfortable working in SuSE Linux Enterprise environments Ability to deliver clean, testable ...

Level Software Engineer (Java/AWS) Contract | £350 per day Inside IR35 | Hybrid (1 day pw London) We’re supporting a large, well-established UK organisation on a key digital delivery programme and are looking for two mid-level Software Engineers to join an existing engineering team. This … cloud-based services. The role You’ll be working as part of a cross-functional engineering team, contributing to the development and maintenance of Java-based microservices running in an AWS environment. The team values: Clear communication Collaborative problem-solving Strong testing practices Pragmatic, well-documented solutions This ...

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/Rreact JS) for an initial 6 month project (highly likley to renew). This is a hybrid role … 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 … will be calculated at time and a quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products ...

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 Edinburgh, Hybrid Ready to make an impact in the space technology sector? Join a pioneering, fast-growing company thats redefining how space-based systems and services are developed and operated globally. This is a fantastic opportunity to contribute to the design and development of innovative … Looking For: We want someone who can hit the ground running and thrive in a collaborative, innovative environment. Essential skills include: Strong Java experience. Background writing, testing, and debugging high-quality code. Software development lifecycle, including design, implementation, and documentation. Curious, creative, and eager to learn new languages, frameworks ...

Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington Hybrid 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space. The business builds and runs mission critical platforms responsible … architectural ownership, and a strong understanding of the business impact of their work, without stepping into people management. Requirements - Strong backend engineering experience using Java and Spring Boot - Proven experience working with event driven architectures and Kafka - Experience designing and operating systems in AWS environments - Exposure to services such ...

Lead Java Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management … System Portfolio Golang Go Java AWS Kafka) required by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Java Experience building Front Office trading systems (portfolio management, execution or order management, risk ...

Full Stack Java Software Engineer (React.Js) required for my client in London. Paying £50k-£75k. My client are a growing B2B & B2C technology company. They require a Full Stack Java Software Engineer (React.Js) to join them on a full-time basis. This role is remote … there is expectation to ideally go to the office 1 day per week in London. Required experience Java 18+ experience Spring/Spring Boot PostgreSQL or similar Maven/Gradle REST APIs Microservices React.Js Desirable: Vue.Js experience ...

Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods ...

Senior & Lead Java Engineers Permanent | Multiple UK Locations | Hybrid A leading IT consultancy is continuing its rapid growth and is looking to hire Senior and Lead Java Engineers to work on large-scale, high-impact digital programmes. This is a fantastic opportunity to join a strong engineering community … must be eligible for SC Clearance The Role You will be part of a multi-disciplinary, agile delivery team, building and supporting high-quality Java-based services from design through to production. As a Senior or Lead Engineer, you’ll also play a key role in mentoring others ...

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 ...

Backend Software Engineer/SRE (Java JVM) London/WFH to £110k Are you a Backend Software Engineer/SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global CFD trading company that … been consistently voted as one of the UKs top employers. As a Backend Software Engineer/SRE you will collaborate with development teams, as a trusted technical advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands ...

Application Support Engineer - Manchester An Application Support Engineer with experience in Java, around application support or software development & SQL, is required by a leading company based in the North West. This role will offer mostly remote, so it requires 1 day a week in the Warrington office. … also progress into a fully-fledged Software Engineer role click apply for full job details ...

Contract Role – FX e Trading Senior Full Stack Engineer (React TypeScript + Java) – London/Hybrid – 12 months initial – Inside IR35 As a FX e Trading Senior Full Stack Engineer (React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading … modern full-stack architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full Stack Engineer (React TypeScript + Java) Location: Hybrid – up to 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate ...

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise … with advanced software engineering to manage institutional capital globally. What You’ll Do Design and build high impact internal systems using Java Own projects end-to-end: from architecture to deployment Collaborate with analysts to solve real-world business problems Support and mentor junior team members on coding ...

Lead/Senior Software Engineer for 12 month contract on site in London. Working for a Big 4 professional services firm delivering software projects. Java, Python, Cloud Native AWS, AI, DevOps, CI/CD - Jenkins/GitLab Lead/Senior Java/Python EngineersBig 4 Consultancy … month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments. Advanced knowledge of cloud-based ...

Role: Software Engineer Location: 1-2 days a week in London Salary: £80,000 - £115,000 + Bonus Are you a motivated java micro-services specialised software engineer looking to elevate your career? This is an opportunity for a technically minded individual to be designing, producing, testing … liaising with principal engineers, architects in the domain and other key stakeholders to understand how the platform works We are looking for a senior engineer we can find to take part in some of the largest up coming projects in the banking industry Ideal Candidate: We're looking ...

Senior Full Stack Engineer | Global Fintech Leadership Locations: Prime Tech Hubs in Bournemouth & Glasgow Duration: 12-Month Initial Contract (High Stability) Work Pattern: 100% On-site (Collaborative Office Environment) The Mission Are you a technical powerhouse looking to lead from the front? We are seeking a Senior Full Stack … Engineer to join a Global Tier-1 Financial Institution . This is a high-impact role within a specialized Delivery Unit, where you will bridge the gap between complex backend architecture and seamless user experiences. In this role, you aren't just executing tickets; you are a Subject Matter ...

Senior Full Stack Engineer | Global Fintech Leadership Locations: Prime Tech Hubs in Bournemouth & Glasgow Duration: 12-Month Initial Contract (High Stability) Work Pattern: 100% On-site (Collaborative Office Environment) The Mission Are you a technical powerhouse looking to lead from the front? We are seeking a Senior Full Stack … Engineer to join a Global Tier-1 Financial Institution . This is a high-impact role within a specialized Delivery Unit, where you will bridge the gap between complex backend architecture and seamless user experiences. In this role, you aren't just executing tickets; you are a Subject Matter ...

Lead/Senior Java/Python Engineers Big 4 Consultancy 12 month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing ...

Technical Lead/Senior Backend Engineer (Golang/Java Microservices) Hybrid – 3 days per week onsite Experience: 5–8 Years I am recruiting on behalf of my client, a leading global technology services and consulting company , for an experienced Senior Backend Engineer with strong Golang and Java … with engineers, security specialists, and product teams in an Agile delivery model . Mandatory Skills & Experience Strong hands-on experience with Golang JAX-RS (Java API for RESTful Web Services) – mandatory Java, Microservices, Spring & Spring Boot Hands-on experience implementing microservices architectures REST API design and development Microservices ...