1 to 25 of 34 Java Software Engineer Jobs in the UK

Senior Java Software Engineer - Java Developer, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research … machine learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer … tooling. You’ll work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience ...

Java Software Developer Hybrid – Edinburgh We are recruiting a Java Software Developer to join a high‐growth SaaS organisation headquartered in Edinburgh. This is a hybrid role offering exposure to a full technology platform and the opportunity to work on a major platform rebuild using modern … before work is handed over to a dedicated front‐end team. What you will be doing Developing and maintaining back‐end services primarily in Java Contributing to a large‐scale platform rebuild , including: New service development Refactoring and rewriting legacy code Working with TypeScript and Go as part ...

Software Engineer | Java | Bristol | Hybrid We're supporting one of our best Tech for Impact clients who are making a genuine difference to people's lives and their Engineering team is a big part of how they do it. With around 65 engineers across Bristol and London … they're building smart, scalable software that keeps hundreds of thousands of customers moving, and they are the nicest people ever! The role We're supporting the hire of a mid-level Software Engineer (3-5 years ish experience) to join an established, cross-functional product team. ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered … Hybrid remote basis requiring 1/2 days per week of onsite work in Swindon or London. Key Requirements Strong commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful ...

Software Engineer (Java) To support their aggressive growth targets, my client have identified the need for bespoke systems to streamline and automate their existing production processes. Successful applicants have the exciting task of forming their in-house Software Department, with the key target to develop … make use of cutting edge technology to enable the development of a best in class product. Key responsibilities: Work with the rest of the Software Department team to continually design and develop state of the art production software Contribute to all stages of the development lifecycle Define application ...

Senior/Lead Software Engineer (Java) Permanent Manchester-based (Hybrid with 3 days in the office) Salary DOE - £95,000 - £145,000 + attractive benefits + bonus The client is continuing to scale their engineering presence in the UK as part of a broader US-UK expansion. … this is one of the first hires for a team that is expected to grow quite quickly. This is a role for a Senior Software Engineer with a focus on Back End development with Java as the primary language. It involves improving and extending existing systems, with ...

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 … across the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements 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 ...

Software Engineer - Java/Back End Hybrid - 2 days per week in the office Java, PostgreSQL, API We are looking for an experienced Back End Developer with excellent Java, PostgreSQL and API skills due to software development moving from an outsourced model … highly involved with knowledge transfer, including code walkthroughs, pairing sessions, and documentation reviews with the outgoing external team. Gain understanding of the current Java application architecture - service boundaries, dependency injection patterns, build system, and deployment configuration. Design and implement new back-end features, enhancements, and bug fixes in Java ...

Staff Software Engineer | Enterprise Technology Hub Location: Glasgow (Hybrid - City Centre) Role Type: Contract-to-Permanent Daily Rate: Up to £550 per day (Inside IR35/PAYE) Sector: Global Tier 1 Institutional Technology The Opportunity We are seeking a high-caliber Staff Software Engineer to spearhead … hosting platforms from legacy systems to Kubernetes-based environments on GCP or AWS. Full-Stack Delivery: Architect and maintain robust, scalable applications using Java 17+ and Angular . Data Modernization: Oversee complex data migrations, including Elasticsearch upgrades (v2 to v8) and transitioning operational databases from Oracle to PostgreSQL. Stakeholder ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves … mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves … mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor ...

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. … work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. ...

Role: Software Engineer (Java) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: Java as a main language This firm is an elite fintech company with exceptionally high standards, renowned for building cutting ...

client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. This role will be operating as part of a high-functioning team focused … Code, Copilot). This role is remote-working (with some occasional visits to site), and will be operating inside IR35. Requirements Deep expertise with Java/Spring/AWS Hands on production grade experience - or leastPoC forLLM's They will be creating agents and creating code that ...

Position: Mid-Level Software Engineer Location: London Package: Competitive Salary + Benefits Working Pattern: Hybrid Overview We’re currently supporting a well-established player within the financial technology space as they look to expand their London-based engineering function. They are seeking a capable Software Engineer … they’re looking for Degree in Computer Science or a closely related technical field Around 2–5 years of hands-on development experience with Java Prior exposure to complex, high-performance systems within financial services or comparable sectors Key responsibilities Develop, maintain, and scale applications that are directly utilised ...

Contract Java/Full Stack Developer £575/day Inside IR-35 Active SC Clearance mandatory Remote with occasional travel to London for client meetings only - expensable We are looking for experienced senior Fullstack Java Software Engineers to support projects across UK Government and Policing. … work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands‐on and focused on building high quality software using modern engineering practices. What you’ll do You’ll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. ...

Full Stack Software Engineer Join a trusted supplier delivering mission-critical solutions in the defence and national security sector. You will work on leading-edge technologies across AI/Data Science, Cyber, Cloud, DevOps/SRE, and Platform Engineering, developing solutions that protect people, platforms, and information against … constantly evolving threats. The Role As a Full Stack Software Engineer, you will design, develop, and maintain mission-critical softwares. You will work on novel products that combine physical and digital systems, collaborate closely with clients to define strategy, and explore emerging technologies. Key responsibilities include: Writing clean ...

Java Full Stack Engineer (Consultant – Senior Consultant) - Permanent Position An established digital engineering practice is growing its team and looking for Java Full Stack Engineers to join a range of high-impact transformation programmes. The work focuses on building modern, user-centred digital services across large-scale … sector domains. This is a hands-on engineering role where you’ll contribute across the full development lifecycle. You’ll be designing and building Java-based microservices using Spring Boot, developing APIs, and working on front-end applications using modern JavaScript frameworks such as React or Angular. Projects ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems click apply ...

Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems click apply ...

TrueNorth are working with a successful tech consultancy who work heavily in the public sector - we're looking for a Senior Java Software Engineers for some immediate contract roles. Key skills: o Java with Spring Boot o Node.js o AWS/Azure The roles are inside IR35 ...

Software Engineers (Java/Data Platform) Remote First (Must be UK based with full right to work with no sponsorship) £75,000–£95,000 **Monthly meetups in London - fully expensed/optional. Access to offices should you prefer I’m working with a global consumer platform processing millions … data, distributed systems and product, working on one of the most unique user datasets in its space. They’re looking for a Senior Engineer to join a small, high-impact team. The role You’ll be working on systems that ingest, process and make sense of large-scale, messy ...

passionate Java Developer looking to take ownership of your work in a collaborative, hands-on environment? This is an opportunity to join a growing ERP integrations software provider based in Leeds. If you enjoy working on complex systems and with new technology , bringing new ideas to the table … commutable distance to Leeds. Please note we cannot offer visa sponsorship for overseas candidates Key Skills: Minimum 3 years’ experience in a similar Java developer role. Proficiency in Java and C# . Experience using Visual Studio and IntelliJ . Knowledge of SQL (DDL, DML, Views, Procedures). Familiar ...

Join a specialist consultancy delivering secure, high-impact software solutions at the heart of national security and intelligence operations. This role plays a key part in building the systems that turn complex data into actionable insight. Role Overview: Location: Cheltenham, London or Manchester (up to 80% onsite) Package: Competitive … + benefits Industry: Security & Intelligence/Government Technology What You’ll Be Doing: Develop and maintain secure, high-performance Java backend services for mission-critical systems Design scalable microservices and APIs that power data-driven platforms and operational tools Build distributed applications capable of handling large data volumes with ...