1 to 25 of 42 Senior Java Developer Jobs in the UK

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 ❯

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 ❯

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … Advocating for and contributing to best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … projects Key skills and experience: Previous experience working within a consulting organisation or the public sector is essentail Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. 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 - Leeds City Centre (Hybrid) Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market. They're … looking for an experienced Senior Java Developer to join their talented team of 7 engineers, reporting directly to the Engineering Manager. You'll play a pivotal role in developing intelligent, data-driven software used by major retail clients across the UK, Europe, North America, and Australia. The Opportunity This is a hands-on senior role - ideal … data scientists and product specialists to deliver scalable, high-performance software solutions that integrate the latest AI and ML technologies. Tech Stack & Tools Essential Skills: 8+ years' experience in Java development (commercial) Strong expertise in Spring/Spring Boot Solid experience with Hibernate Desirable Skills: Python or R - exposure to data or ML integration SQL - for data management and More ❯

Milton Keynes (Hybrid - 2-3 days onsite) Salary: £60,000 - £76,000 + Bonus + Benefits Clearance Required: British Citizens only, SC eligible Our client is seeking an experienced Senior Java Developer to help deliver an award-winning AI innovation toolset supporting public sector data transformation. This role sits at the heart of a full-stack team … engineering, cloud deployment, and delivering secure software at scale - this is a standout opportunity to apply your skills in a meaningful way. Responsibilities: Develop robust back-end services using Java and Spring Boot Build secure APIs and contribute to CI/CD automation and cloud-based deployment Collaborate with front-end developers and cross-functional teams on scalable system … design Implement secure coding practices, data processing, and system testing Optimise application performance and maintain high-quality standards across environments What we're looking for: 6+ years' experience in Java-based development within full stack environments Strong skills in Spring Boot, RESTful APIs, and relational databases (PostgreSQL/MySQL) Experience deploying to Windows/Linux, using Docker and DevOps More ❯

cutting-edge technologies, and they are scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Senior Java Developer with deep Java expertise to join one of their core development teams. The Role As a Senior Java Developer, you'll … split your time between hands-on technical engineering alongside driving best practice and projects. What You'll Do Working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering … class talent Continuously improve team workflows and development processes Stay hands-on with coding when necessary, especially in system-critical components What They're Looking For Strong expertise in Java and JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing More ❯

Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial contract paying up to £700 per day Inside IR35 on an initial 12 month contract. This role requires 3 days per week in the office and applicants must hold or be eligible to obtain Security Clearance (SC) or hold … engaging with stakeholders Driving the evolution of digital services and underpinning infrastructure Essential skills: Strong experience in one or both of the following: Modern software engineering for digital products (Java, microservices, Hexagonal architecture, MongoDB, Kafka) OR Cloud infrastructure, DevOps, and automation (AWS, Terraform, GitLab CI, Jenkins) Proven track record of leading engineering teams, providing technical guidance, coaching, and mentoring … version control, assurance, secure design) Strong collaboration and ability to share knowledge within engineering communities Experience delivering in complex, multi-disciplinary environments to tight timescales Interested? Please apply below. Senior Java Developer, Technical Lead, Public Sector, Java, Microservices, AWS, Terraform, GitLab CI, Jenkins, MongoDB, Kafka, DevOps, Digital Services, Inside IR35, SC Cleared 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 ❯

Role: Senior Java Full Stack Engineer Industry: Consultancy (Public/Government & Private Sector) My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are … looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growly team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Top end budget of £70k + disc bonus + full benefits + flexi working (option of remote or hybrid plus ad hoc client site travel) Primary requirements as … a Senior Java Full Stack Engineer: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git Experience using online version control tools – Bitbucket, GitHub, GitLab More ❯

Senior Backend Developer – Java, Spring Boot, RESTful API’s Manchester, Hybrid Up to £85,000 My client, a global technology-driven service company operating primarily in the financial sector is looking to hire a Senior Backend Developer to help architect, build and optimise the backend systems for their global platform. You will lead the design … development and deployment of backed services and API’s, architecting scalable systems which integrate multiple data sources. As a Senior Backend Developer, you will mentor junior developers, reviewing their code for quality and performance and collaborate with cross functional teams. You will also participate in technical design discussion and product planning. The ideal candidate will possess several years … experience in Backend development with a focus on Java and Spring Boot. You will also possess strong knowledge designing RESTful API’s and database schemas. You must also possess knowledge of security standards, strong problem-solving skills and offer experience with Cloud platforms, AWS. This role needs a Senior Backend Developer who is comfortable working as an More ❯

Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Are you a skilled Back-End Developer with strong Java Spring Boot expertise, looking for your next challenge? Join a forward-thinking team shaping the future of AI-powered solutions. The Role As a Senior Back-End Developer, you'll design and maintain scalable … secure, and high-performing services using Java Spring Boot. You'll build and optimise RESTful APIs, work closely with front-end teams to deliver seamless integrations, and ensure robust database management. With opportunities to experiment with AI-driven automation, this role offers a chance to influence cutting-edge back-end architecture. The Company Our client is transforming the way … projects. The role is primarily remote working, with one day per week from their offices near Leamington Spa. What's Required? The ideal candidate will have: Strong experience with Java and Spring Boot A solid understanding of RESTful API development and microservices Proficiency with relational databases and query optimisation along with experience with DevOps tools is desirable An interest More ❯

Halian Technology are currently looking to hire a Senior Java Developer to work in the HealthTech space. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will not be alone in this joining a team of … 20+ senior engineers who are writing code to change peoples lifes so exciting time to sign up with this privately owned business. Key Skills needed: Java Development SQL Experience with one of UI technology CI/CD technologies The roles are Hybrid in Berkshire (Bracknell Area) Please note you must be UK-based/have the right to More ❯

1. Job purpose We are looking for a sharp Senior Java Developer to play a key role in a small collaborative team building trading venues and associated infrastructure. We follow rapid development and deployment cycles for projects and share ownership of the entire codebase, so you will get great experience across a variety of exchange applications and … financial product types. We care about the code that we write and we want a developer that is more interested in writing clean, maintainable, efficient code rather than a quick hack. Any former experience with specific cryptocurrencies, and/or related skills such as decentralized finance (DeFi), tokenisation, trading, matching engine, clearing and settlement as well as capital markets … system integration will be a very useful complement to the above. 2. Key technology used Primary: Java 8+ Secondary: Spring FIX Hibernate (Postgres) Sockets Linux Maven AWS/Cloud deployment SVN/GIT EPL (Esper) JMS (ActiveMQ) 3. Methodology Agile/Scrum Continuous integration Test automation TDD 4. Requirements Must have Core Java SE Desire to learn Passion More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development. We are … seeking candidates who are available to join immediately or at short notice. Mandatory skills Proficiency in Java 11+, Core Java, JavaScript, and Microservices architecture Strong knowledge of the Spring Framework (including Spring Boot and Spring MVC) Experience with AWS or other cloud platform Solid understanding of SQL and relational databases (MySQL preferred) Note: A coding exercise will be … included as part of interview process. Responsibilities Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development. We are … seeking candidates who are available to join immediately or at short notice. Mandatory skills Proficiency in Java 11+, Core Java, JavaScript, and Microservices architecture Strong knowledge of the Spring Framework (including Spring Boot and Spring MVC) Experience with AWS or other cloud platform Solid understanding of SQL and relational databases (MySQL preferred) Note: A coding exercise will be … included as part of interview process. Responsibilities Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement More ❯

Senior Full Stack Developer (Java) Location: Hybrid (West Midlands) Sector: Public sector experience preferred Clearance: SC Eligible (5 years permanentlly in the UK) We are TXP. We help businesses and organisations move forward, at pace and at scale. We believe in the transformative power of combining technology and people. By providing consulting expertise, development services and resourcing … believe in the power of technology and people, and we help everyone here to succeed. At TXP, you can multiply your potential. What You'll Be Doing As a Senior Full Stack Developer at TXP, you'll leading the technical delivery of high-impact software projects within internal or customer Application Development Teams. While your focus will be … on Back End development using Java and Spring, you'll also contribute to Front End work, ideally with React, or JavaScript/TypeScript. You'll guide a small team, ensuring quality, consistency, and timely delivery. You'll be hands-on throughout the full software development life cycle, designing, coding, testing, resolving defects, and deploying solutions. You'll also play More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development click apply More ❯

Senior Java DeveloperLocation: Newcastle Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside of the UK) at the point of application. Other Security Clearance requirements may be applicable, which will be discussed More ❯

Job Description: Senior Developer Location: Leeds, UK (3 days in office) SC Cleared: Not Required Job Type: Full-Time Relevant Experience: 7 Years Job Summary: Designs, runs and improves software that meets user needs. Competent Java developer with significant experience in AWS cloud services. Proficient in AngularJS, Jenkins, Karate, Gherkin and Cypress, Cloudformation, Jenkins, Groovy and … Focus on user needs and experience. Operate and improve production services. Provide Level 3 (L3) support 24/7 (including out of hour on-call support) Requirements: Experience with Java (Springboot) and AWS cloud services (ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress … CD pipelines. Knowledge of user-centered design principles. ITIL certification will be desirable. Experience of working in Agile teams Overall Technology Stack (for reference): Hosting: AWS, Apigee, Cloudflare Languages: Java 8 (SpringBoot), Node 10, Groovy, Bash, Angular.js, Typescript, Drupal AWS Services: ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions Testing: Junit, Karate, Cypress, JMeter, Gatling, Jest Tooling: Gitlab More ❯

Job Description: Senior Developer Location: Leeds, UK (3 days in office) SC Cleared: Not Required Job Type: Full-Time Relevant Experience: 7 Years Job Summary: Designs, runs and improves software that meets user needs. Competent Java developer with significant experience in AWS cloud services. Proficient in AngularJS, Jenkins, Karate, Gherkin and Cypress, Cloudformation, Jenkins, Groovy and … Focus on user needs and experience. Operate and improve production services. Provide Level 3 (L3) support 24/7 (including out of hour on-call support) Requirements: Experience with Java (Springboot) and AWS cloud services (ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress … CD pipelines. Knowledge of user-centered design principles. ITIL certification will be desirable. Experience of working in Agile teams Overall Technology Stack (for reference): Hosting: AWS, Apigee, Cloudflare Languages: Java 8 (SpringBoot), Node 10, Groovy, Bash, Angular.js, Typescript, Drupal AWS Services: ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions Testing: Junit, Karate, Cypress, JMeter, Gatling, Jest Tooling: Gitlab More ❯

End Date Saturday 27 September 2025 Flexible Working Options Hybrid Working Job Description Summary . Job Description JOB TITLE: Senior Fullstack Developer (Java/JavaScript) SALARY: £70,929 - £86,691per annum LOCATION(S): Edinburgh, Halifax, Leeds, Bristol, Manchester HOURS: Full-time - 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least … organisation with a bold ambition: to shape finance as a force for good. As we continue to invest in our people, platforms, and products, we're looking for passionate Senior Fullstack Developers with experience in both Java and JavaScript to help us create secure, scalable, and customer-first solutions.If you're someone who thrives in collaborative environments, enjoys … solving meaningful problems, and wants to make a real impact - this could be the perfect next step in your career. WHAT YOU'LL BE DOING As a senior software engineer, you'll play a key role in designing and building modern applications that touch millions of lives. You'll: Design, develop, test, and deploy frontend and backend services. Build More ❯

Job: Senior eFX Java Developer - Low Latency London, UK Hybrid working – 3 days on-site Full Time Overview This is a high-profile role working on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and … C# developers, developing server-side and UI components, respectively. This role is specifically a low-latency Java role, encompassing pricing work, hedging work, market connectivity work and associated services around that. It is a hands-on development role. As a team member, you would also be expected to contribute towards estimation and the ability to work with functions such … work within Credit Agricole's compliance culture is a base level requirement. Knowledge of FX or similar low latency trading systems is required. A high technical development ability in Java is also required. Familiarity with at least one delivery technique such as Agile, SCRUM, Kanban and similar would be a strong advantage. The position will also require a production More ❯