1 to 25 of 34 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 ❯

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 ❯

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 ❯

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 click apply for full job details 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Join CMC Markets' Pricing and Risk team, where youll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of … is an onsite role that will require you to work within our London office (near Liverpool street) 5 days on site per week . *** What Youll Do Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (21+) to implement world class trading and pricing systems. Collaborative Development: Design and develop innovative … tailored to the ever-changing financial landscape. Career Advancement: Opportunities for career growth, including leadership roles, are encouraged and supported by our mentorship programs. What Were Looking For Strong Java development experience within financial systems, ideally in pricing or risk-related applications. Not just a coder, but someone who also focuses on applying best practices, design patterns and principles More ❯

has helped many clients achieve their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the … UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java … discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus on performance and memory optimization. Proficient in SpringBoot and microservice-based architecture. Proven experience with low-latency, high-throughput applications (sub-millisecond response times a More ❯