26 to 50 of 140 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/SOAP). 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/SOAP). 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 ❯

NEW CONTRACT ROLE - Front Office Senior Java Developer - Rates Pricing London-Based Candidates Only | 6-Month Contract (with potential for extension or perm) | Up to £900/day Inside IR35| Hybrid (2-3 Days On-Site) THE OPPORTUNITY We are working on behalf of a banking client to find a highly experienced Front Office Senior Java Developer to join their Rates Pricing team on the trading floor. This is a niche, high-impact role for a strong Java engineer with low-latency trading systems experience and a deep understanding of front office environments, particularly in pricing, booking, and analytics for Rates, Credit, FX, and Equities. You will be working directly with the trading desk to … lifecycle management. Work on complex quantitative and analytics problems in real-time systems. Contribute to the design and architecture of scalable, resilient systems. TECHNICAL STACK/REQUIREMENTS Expert-level Java (core + multi-threading). Proven ability to work with or cross-train into C++/C# (dual-enabled is ideal). Strong exposure to front office environments - you More ❯

Java Developer - £55,000 - £70,000 - Remote Working We are looking for a number of Java Developers to work for a Digital consultancy across several of their key clients. You will be joining a dynamic team and contributing to the development of cutting edge applications. This is a fantastic opportunity to work on complex, projects using a … play a crucial role in the design, development, and deployment of robust and scalable software solutions. Your responsibilities will include: Developing, testing, and deploying high-quality code primarily using Java and Spring Boot . Designing and implementing cloud-native applications on AWS (Amazon Web Services). Contributing to the front-end development using JavaScript . Collaborating with product managers … designers, and other engineers to define and deliver new features. Participating in code reviews, architectural discussions, and continuous improvement initiatives. Essential Skills: Proven experience as a Java Developer . Strong working knowledge of the Spring Boot framework. Hands-on experience with AWS (e.g., EC2, S3, Lambda, RDS). Familiarity with JavaScript for front-end development. Experience with relational More ❯

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 building secure … 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 ❯

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 their industry … 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 ❯

Role: Java Developer Location: Hybrid travel to client site 2-3 days per week. Rate Outside IR35: £500.00 - £550.00 Clearance: Active SC Clearance (Must hold Active SC) We are seeking an experienced and hands-on Java Developer with a strong understanding of Java to join our team. The ideal candidate will have a solid background … reporting in the event of delays, proactively manage dependencies, and work with team members to resolve issues impacting delivery. Required Qualifications: - Minimum of 3 years of experience as a Java Developer. - Strong understanding of functional programming principles and Test-Driven Development (TDD). - Experience with relational and NoSQL databases. - Familiarity with cloud platforms such as AWS, Azure, or GCP. 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 for someone who … 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 ❯

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 best practices Help … 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 ❯

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 Java Developer with good Java expertise to join one of their core development teams. The Role As a 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 best practices Continuously improve … team workflows and development processes What They're Looking For Good expertise in Java and JVM-based systems (3+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving More ❯

Overview Role : Java developer Rate : 400-Inside IR35 Location : London hybrid Responsibilities Develop Java applications using Java 11+ (Java 17 preferred) and Spring/Spring Boot, with experience in microservices and AWS. Ability to manage tasks independently without direct supervision and to deliver under pressure across multiple priorities. Requirements Essentials - Java 17 version preferred … ArgoCD, Kubernetes, Docker, Grafana, Splunk Nice to have - SonarQube Ability to work in small teams and strong communication skills Comm skills are very important. As Macquarie has small teams, developer who can work independently Additional context Sample feedback from client (reference): 1. Comm skills and articulations skills - Average 2. Covered Java, Spring, Spring boot, RDBMS, Cloud/Infra … Junits, application design, etc. 3. Have got hands-on in Java/Spring. Know about SQL queries, joins, indexes, etc. Average. 4. Few gaps in spring concepts, like prototype beans, etc. 5. Few gaps in dependency management systems like gradle, or how dependencies get resolved. Manageable. 6. Design knowledge, library vs micro-service, etc. - Not ok. 7. JUnits - few More ❯

Full Stack Java Developer (90k-100k plus benefits and bonus) This is a hybrid role, 2 days in the office, 3 days remote What the role offers: Competitive salary with growth opportunities. Opportunity to work on cutting-edge fintech solutions. A collaborative and supportive team environment. Exposure to a wide range of technologies and the chance to shape … to building high-performance solutions for investment professionals. Our small, close-knit team thrives on collaboration, innovation, and technical excellence. As we expand, we're looking for a talented developer to join our team and play a crucial role in shaping our platform. Role Overview: As a Full Stack Java Developer, you will work across the full … stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. You will be responsible for designing and developing scalable, robust software solutions using Java, with a focus on system design and performance. AWS experience is a plus, and financial industry knowledge would be beneficial but not a must. Key Responsibilities: Work on full-stack development, including front 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 a … 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 … 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 ❯

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a … role for you. Opus have partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. … As a Developer you will be building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is More ❯

Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a … role for you. Opus have partnered with a VC Backed Fintech start-up who are looking to grow their London office. They are growing quickly so are looking for Java Developers of all levels from Mid – Tech Lead to join the team. They are currently about 100 people strong and looking to double this within the next 12 months. … As a Developer you will be building and maintaining high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is More ❯

Full Stack Java Developer Location: Warrington (Hybrid - 1 day per week onsite) Salary: £50,000 - £55,000 + benefits Employment Type: Permanent Opportunity Overview A fast-growing, technology-led organisation is seeking a Full Stack Java Developer to join its collaborative engineering team. This role is well-suited to someone who's not just looking for … a clear desire to learn, take on ownership, and make a real contribution to the wider business and its platforms. Key Responsibilities Develop and maintain full-stack applications using Java, React, and TypeScript Build scalable, cloud-native solutions leveraging AWS Take ownership of features and components from design to deployment Collaborate with cross-functional teams to solve technical and … business challenges Contribute ideas, participate in code reviews, and support continuous improvement Essential Skills and Experience Commercial experience with Java and Spring Framework Strong frontend development skills using React and TypeScript Familiarity with AWS and building cloud-native applications Understanding of RESTful APIs, Git version control, and clean code practices A self-driven attitude - someone who is proactive, curious More ❯

Java Full Stack Developer Permanent Manchester (Hybrid) £60,000- £70,000 + Benefits Java Full Stack Developer needed who are SC eligible (Lived worked UK 5 or more years) or ideally have active SC Security Clearance . Start ideally October 2025. Working on a 'hybrid remote' basis from either Manchester. Working 5-7 days/month … to work remotely for rest of the time. A chance to work with a leading global IT transformation business on a large-scale IT modernisation programmes for Government clients. Java Full Stack Developer experience with Java 8, Java 11, Spring Framework, Spring Boot JavaScript, Angular and NodeJS ideally. REST APIs Handson Micro services development experience. Practical More ❯

recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers. Your role: As an Intermediate Java Developer at Global Relay, you'll be using leading edge technologies to build pioneering products that are used by tens of thousands of users globally to solve real … also get to tackle interesting and engaging problems to do with scalability and high availability in big data environments. At Global Relay we are continuously pushing the boundaries of Java technology. This is an opportunity to work alongside some of the best Java developers in London and apply your craft in an environment that encourages creative thinking and … that is clean, well-tested, well-reviewed, performant and secure then you'll fit in around here. Your responsibilities: Work as part of an agile development team to write Java code for enterprise services Write unit and integration tests for your Java code Design, in collaboration with team, the software implementations that satisfy business requirements Collaborate with QA More ❯

SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Please note: Candidates must have a current and active SC and NPPV3 Clearance- unfortunately, applications without this cannot be considered. Looking for a number of SC + NPPV3 Cleared Java Developers to work on a Law Enforcement programme. Key Responsibilities: Work … on data mapping and report writing in Java. Essential Skills: Java AWS Spring Boot Kafka Desirable Skills: React JavaScript SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying More ❯

Overview: Looking for a Senior Java Developer with enterprise experience in regulated sectors, able to build robust, scalable applications and leverage the latest in AI/ML integration and tooling. Key Responsibilities: Design, develop, and maintain enterprise-grade Java applications. Contribute to architecture, scalability, security, performance, and AI/ML-driven features. Review code for secure practices … RDBMS/NoSQL databases and messaging systems. Participate in the full SDLC, including CI/CD, and automate with AI code assistants. Core Technical & AI/ML Skills: Advanced Java (Java 11/17+), Spring/Spring Boot frameworks. Microservices (REST, gRPC, event-driven design). Enterprise databases (Oracle, PostgreSQL, SQL Server, MongoDB). CI/CD tools More ❯

Java Developer - 12 month contract (inside IR35) - multiple offices across North England - Hybrid (3 days onsite) I have an urgent requirement for a number of Java Developers to join a Digital Transformation project, based from Leeds. Flexibility to work 3 days onsite is expected. Key responsibilities: Develop and maintain services with Java 21+ Design and scale … microservices and APIs Apply TDD/BDD and automated testing Work in Agile teams with pair programming Support applications (including occasional out-of-hours) Essential skills: Strong Java (21+) experience TDD/BDD and Agile background Large-scale microservices expertise API development and integration Unix/Linux knowledge Desirable skills: Jackson, JAX-RS, Mockito, Kafka or ActiveMQ MongoDB/ More ❯

Job Description We are seeking a motivated and enthusiastic Junior Java Developers to join our software development team. As a Junior Java Developer, you will work closely with senior developers and team members to design, develop, and maintain Java-based applications. This is an excellent opportunity for someone looking to grow their career in software development … on experience in a collaborative and supportive environment. The successful candidate must be eligible and willing to go through SC/DV clearance. Key Responsibilities Develop, test, and maintain Java-based applications according to project requirements. Collaborate with senior developers to design and implement new features. Participate in code reviews and provide constructive feedback. Troubleshoot and resolve software defects … documentation and user guides. Stay updated with the latest industry trends and technologies. Qualifications Bachelor's degree in Computer Science, Information Technology, or a related field. Good understanding of Java and object-oriented programming. Familiarity with Java frameworks and libraries such as Spring, Hibernate, etc. Knowledge of web technologies (HTML, CSS, JavaScript) is a plus. Understanding of relational 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 deploying … 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 ❯