10 of 10 Contract Senior Java Developer Jobs

Senior Java Developer | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing … coding, reviewing, and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and … unit test applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/ More ❯

We’re looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have … the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following – Java 21 (or later) Test Driven Development (TDD) and Behaviour Driven Development (BDD) Large microservice architectures Agile environments and pair programming Implementing APIs for internal and external use Building automated test suites … have: Jackson, JAX-RS, Mockito ActiveMQ or Kafka MongoDB or other NoSQL/document databases Experience scaling high-traffic websites and handling large data sets Interested? Please apply below. Java Software Engineer, Java, Java 21, Microservices, TDD, BDD, Agile, APIs, CI/CD, Leeds, Government, Public Sector, Developer, Contract, Inside IR35 More ❯

Senior Java Developer Contract Dublin 6-18 Months. My client a leading global name is in urgent need of a talented and experienced Senior Java Developer to join their team on a contract basis 6 months initially rolling up to potentiality 18-20 months. My client is looking for a senior developer … and knowledge sharing activities and grow your network of top-notch people who are best at what they do. Successful candidates will have 10+years of commercial experience in core Java/J2EE application development and object-oriented design. Strong skills in multi-threading, collections framework, JDBC and knowledge of Java profiling tools. Proficiency with frameworks just as Spring More ❯

Java Developer Location: Dublin, hybrid working model Term: 12 months, excellent day rate Java Developer wanted to help design and build high-throughput systems for a well-known name in Dublin’s tech scene. You’ll be part of a modern engineering environment offering excellent hybrid flexibility (with some on-site collaboration) and the freedom to … deliver clean, scalable services. This is a great opportunity for a Java developer seeking a long-term contracting role within an organisation that’s heavily investing in modern technologies and innovative approaches. What you’ll bring: 5+ years Java development experience, comfortable working across Spring/Spring Boot microservices etc. Decent hands on skills with Angular, at More ❯

Senior Java Developer Location: Galway Model: Hybrid Term: 12+ months | Rate: Top-tier day rate Senior Java required for a great long term contracting role. You’ll work in modern technology department focussing on a small number of enterprise projects. There’ scope and variety in the role with a range of modern tools, tech and … Even as a contractor there’s a strong chance you’ll get to work on tools and tech that are new to you. Desired Skills/Experience 5+ years Java development experience Strong experience across Spring/Spring boot building out microservices Ideally some exposure to modern JavaScript/TypeScript frameworks, not essential but would be nice. An interest More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

Senior Java Developer Join one of Galway’s most respected tech teams, a company known for high employee satisfaction, genuine flexibility, and solving complex problems with modern tech. We’re assembling a new team of engineers to design and build high-performance, secure, and scalable applications at the forefront of digital ownership and blockchain innovation . Data … it’s processed, engineered, and used to deliver real impact. What you’ll do Build and scale large-scale enterprise applications used by millions. Work hands-on with modern Java, Spring Boot, and cloud technologies (AWS a plus). Collaborate in Agile squads alongside top-tier engineers. Get involved in next-gen technologies - Blockchain, AI Agents, and advanced data … engineering. What you bring 5+ years’ experience building modern web apps with Java. Expertise in Java, Microservices, Spring Boot, and Cloud (AWS preferred). Exposure to modern JavaScript/TypeScript frameworks is a nice to have, they have many applications running on Angular, & Node. Solid grasp of CI/CD pipelines and test-driven development. An agile mindset and More ❯

Senior Java Engineer Location: London (1-2 days a week in the office, mandatory on Thursdays) Experience: Minimum 8-10 years Technical Skills: Proficiency in Java 8 (transitioning to Java 17) Retail banking experince Python Experience with Spring Boot 2.4 and above Knowledge of Continuous Integration Apigee Java Testing API experience If all the above More ❯

I am recruiting for a number of Senior Java Developers to work in Leeds 3 days a week, 2 days remote. The role falls inside IR35 so you will be required to work through an umbrella company. I am searching for outstanding skills and someone who must be ready to quickly get to work within an Agile, multidisciplinary … you will be an integral part of that team in designing, creating and improving new and existing products, platforms and transactions across government. Candidates must have recent experience with Java 21 (or later). An excellent understanding of TDD and BDD and large microservice architectures is essential. You will have experience of working in an Agile environment and be More ❯