10 of 10 Contract Senior Java Developer Jobs in the UK

Senior Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer, you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross … functional teams to define, design, and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background More ❯

Were 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 in … 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 ❯

Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture More ❯

Senior/Lead Java Developer £(Apply online only) per day Outside IR35 Fully Remote (Must be UK based) Initially 6 Months (Project scope for 12-24 Months) Start ASAP! Unify are proudly, exclusively representing a highly respected digital transformation partner, as they embark on another exciting, high profile program of works. We are looking for 2 Senior or Lead Java Developers to join the team on a long term contract basis. ***The ideal Senior/Lead Java Developer will have proven experience of working on long term Government, defense or public sector projects, with a team playing, consultative approach, with excellent communications and customer facing skills*** We need: Strong experience in Java More ❯

Senior Java Developer - £(Apply online only)pd inside IR35 - 12 month contract - Leeds (3 days per week onsite)** We are looking for several Java Developers to contribute to the most demanding and exciting new digital service for the UK Government. Day-to-day you will be an integral part of a team in designing, creating and … improving new and existing products, platforms and transactions across government. Key skills & experience: Recent experience with Java 17 (or later). Excellent understanding of TDD and BDD. Experience with large microservice architectures. Experience of working in an Agile environment. Be willing to work in a pair programming environment Have experience in implementing APIs for internal and external use. Have More ❯

Senior Java Developer - Credit, E-Trading, Algo sought by leading investment bank based in the city of London.**Inside IR35 - 4 days on site** The role: Project work also includes enhancements to the auto-quoting and algo framework for pricing, offering, and quoting. Will specifically focus on engagement, framework design and development of deliverables for Credit Cash … design and progress. Must have: Hardworking, dedicated, detail oriented, focused on quality and a team player, with effective verbal and written communications. Extensive hands-on coding in server-side Java with strong emphasis on Java Concurrency, RX Streams, Caching (GridGain as Cache), Collections API, Messaging and Event processing across multiple streams Solid coding experience in multi-cast messaging … with relational DB (SQL Server, Sybase, Oracle) Solid technical design experience of low latency trading application services Dev Ops tools (Maven, Jenkins, Nexus, Helios) experience. Overall 7+ Years of Java dev Experience Minimum of 2 years' experience in Linux/UNIX/Shell scripting Banking Domain Experience (Capital Markets/Banking/CM Front Office/Risk) A strong 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 Experience with Spring Boot 2.4 and above Knowledge of Continuous Integration Apigee Java Testing API experience If all the above skills More ❯

I am currently working with a London-based financial services client who are actively seeking a Senior Java Developer to aid in the development of a business-critical application. What you'll need to succeed Extensive development experience with Java 17+ within financial services - mandatory. Expertise in distributed programming with distributed cache/data grids. Strong More ❯

We are currently recruiting for Senior Java Developers, with experience in Java 21 to join a great complex project with the UK GOV for 12 months, hybrid working in Leeds. Essential: Suitable candidates must be eligible to undergo SC Clearance - minimum of 5 years in UK Experience with Java 21 Strong TDD/BDD. Experience with More ❯

We are looking for a strong Senior Digital Java Developer for a 12 month contract based in Leeds, UK £700 per day inside IR35 via an umbrella company 12 months, extendable Leeds (Hybrid; 60% onsite/40% remote) Essential Experience Required Must be SC Cleared OR eligible for SC Clearance Experience of leading or directing a team … of Java Developers. Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use. Taking part in 2nd-line support of applications and platforms and help build server-side web applications. Be able to communicate technical concepts to a non-technical audience. Maintain system administration and configuration management … Build a scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯