376 to 400 of 3,308 Java Jobs in the UK

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the UK. This … and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git More ❯

FDM is a global business and technology consultancy seeking a Java Engineer to work for our client within the technology sector. This is a 6-month contract and will be a hybrid role based in Telford. Our client is looking for Java Engineers to join the CORE Modernisation portfolio team. Our ideal candidate would be working as part of Scrum … teams comprised of Java Engineers, Front End Developers and QEs to modernise our end client's legacy services. Role Overview: Our client is looking for a Java Engineer to join our growing team. You will be involved in all stages of software delivery, including design, development, configuring, deploying, and monitoring using industry-standard tooling. Key Responsibilities: Develop and maintain Java … solving and business analysis skills. Ability to work within a team under the guidance of a Technical Lead. More senior grades - Proven leadership and coaching skills. Required Technical Skills: Java, Spring Boot, Junit Optional Technical Skills: JPA, Kibana, Maven, Mockito, AWS, GitLab, Helm, OpenAPI, SQL, Shell Scripting Working Environment: Hybrid working model with team days in the office as appropriate. More ❯

Job Description Our client, a mission-led consultancy , is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on engineer … in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testingof secure, scalable systems using Java with modern front-end frameworks (e.g., React) Architect and maintainAPIs, data pipelines, and cloud-native solutions(AWS, Azure, private cloud) Drive adoption ofDevOps practices CI/CD, containers, infrastructure-as … with stakeholders and clients toshape technical directionand ensure robust, user-focused solutions Contribute across thefull software development lifecycle, from discovery to production support Essential Skills & Experience Deep expertise in Java, with strong full-stack engineering skills Proven experienceleading teams or projectsat a senior/principal level Strong knowledge ofsystem architecture, cloud solutions, and API design Familiarity withDevOps tools and automation More ❯

C++/Java Software Engineer – CONTRACT 6 MONTHS – CRAWLEY West Sussex 4 Days on site per week in Crawley OUTSIDE OF IR35 POSITION Key responsibilities will include the design, implementation and test of Runtime and Middleware products, using industry standard tools and methods. ROLE Develop our systems by working as part of a project team to deliver a high quality … on both land and at sea. Help our strategy by working with the software management function to ensure that skills, technology and ways of working are developed. ESSENTIAL SKILLS Java or C++ Software Design, Code & Test Configuration management (Bitbucket, Artifactory) Change and task management using JIRA, for aspects such as work backlogs, problem report management, action management. Unit testing & wider 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 as Business Analysts, Project Managers … 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 stability 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 as Business Analysts, Project Managers … 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 stability 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 as Business Analysts, Project Managers … 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 stability 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 as Business Analysts, Project Managers … 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 stability 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 as Business Analysts, Project Managers … 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 stability More ❯

Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity to … Collaborating with clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits More ❯

Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity to … Collaborating with clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits More ❯

Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity to … Collaborating with clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits More ❯

in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed More ❯

in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed More ❯

in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed More ❯

improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents.We enable Skill Set Java (11) Junit 5 React React Testing Library (Frontend Unit testing) Cypress (Frontend E2E Testing) Spring Boot (Microservice Architecture) Sybase Mongo DB Kubernatis Understanding on Cloud infra (Snowflake) Roles & Responsibilities Day More ❯

Title: Full Stack Developer Max rate: £550p/d via Umbrella Clearance required: SC Duration: 4 Months Location: Croydon (Mostly Remote) Job Description: Senior Engineer with either full stack (Java/React/Node.js) or backend (Java and ideally Kafka) * Experience of Java * Experience of Spring framework or equivalent. * Knowledge of software design patterns and when to apply them * Excellent More ❯

Software Engineer – (Java) Belfast | Hybrid £50,000 – £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that’s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they’ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You’ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You’ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You’ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Software Engineer – (Java) Belfast | Hybrid £50,000 – £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that’s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they’ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You’ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You’ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You’ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Software Engineer – (Java) Belfast | Hybrid £50,000 – £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that’s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they’ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You’ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You’ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You’ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Full Stack Software Engineer Mostly remote 1 day onsite in London every fortnight Full Stack Software Engineer Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK Government and National Security organisations. Their teams tackle complex operational challenges through innovative software design … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Strong understanding of Agile/DevOps principles Software … Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

role in developing, enhancing, and maintaining mission-critical systems that support national security and law enforcement operations. Essential Skills & Experience Active SC and NPPV3 clearance. Proven experience as a Java Developer (Java 8+). Strong knowledge of Spring Boot & REST APIs. Experience with SQL/NoSQL databases. Familiarity with CI/CD pipelines. Desirable Skills & Experience Experience with Docker & Kubernetes. More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote - 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer - Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯

Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote – 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer – Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK … ll work with modern tools, cloud environments, and CI/CD pipelines, helping deliver real-world impact for UK Government partners. SOFTWARE ENGINEER ESSENTIAL SKILLS: Strong commercial experience in Java (Spring Boot preferred) Experience with AWS or other public cloud environments (Azure, GCP) Exposure to front-end technologies (React, Angular or similar) Knowledge of CI/CD, GitLab, or equivalent … you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Software Engineer, Java, AWS, Cloud, Full Stack, Agile, CI/CD, DevOps, Government, SC Clearance, NSD More ❯