1 to 25 of 42 Java Software Engineer Jobs in the UK

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 ...

exciting opportunity for a Java Software Engineer has arisen with a Fortune 100 organisation and global leader in EDA, based in Edinburgh. This is a great opportunity for a Java Software Engineer to develop and maintain the codebase in Java. You will implement … capability of the tools, while contributing to the development and maintenance of PDKs. You will commit on an onsite working model. Experience for the Java Software Engineer includes: MSc in STEM subject OR BSc in STEM subject with 2+ years of relevant industry experience A-Levels graded ...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract. Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid/Remote working: The role will be onsite a compressed … quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview Process: One stage Video Interview Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products ...

Backend Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Backend Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing … company that provide a platform for gaming and gambling businesses to retain their customer base, as they expand their UK presence. As a Backend Software Engineer you will be instrumental in helping the company to bring all tech inhouse; you'll design and develop new features and enhancements ...

Software Engineer (Java) | Defence Consultancy | 6 Month Contract | Up to £600 per day (Inside IR35) | Dorchester (3 days per week on-site) MERITUS are excited to be partnered with a growing Defence Consultancy. They're supporting a large Defence Client based in Dorchester. They're looking … experienced SC Cleared Java Developer to join on a key project. This is a fantastic opportunity for a skilled Java Software Engineer with strong experience in microservices, service-oriented architecture (SOA), APIs, and containerised environments to work on secure, mission-critical systems. The successful candidate will ...

Java Software Engineer (Developer/Senior/Principal) Complex Systems | Modern Stack | Agile & XP Culture Remote First (office visit approx. once per month - South Manchester) £50,000 - £85,000 + Bonus + Excellent Benefits (level dependent) We're partnering with a long-established technology business building modern … platforms at the heart of a complex, highly regulated domain. With continued growth across their product suite, they're now hiring Java Software Engineers across multiple levels - Developer, Senior, and Principal - to join their Scrum teams and help deliver software that genuinely makes a difference. The Opportunity ...

Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission-driven … quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you. The Role As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute to architecture decisions ...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week. Your responsibilities: Contribute across the full software development … lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write ...

Java Software Engineer with DDS and RTOS required for long term contract assignement based in Bristol Overview of department: Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance … dependability. Responsibilities: This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset/experience required ...

Backend Software Engineer/Developer (Java AWS Kafka) London/WFH to £140k Are you a Java technologist with Futures trading systems experience? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy … 140k Pension Hybrid working Greenfield projects Influential role at a growing company with excellent career progression and interesting work Your role: As a Backend Software Engineer you will take ownership of building a brand new Futures Trading platform for the UK, primarily using Java with a focus ...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract. Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid/Remote working: The role will be onsite a compressed ...

Java Software Engineer - Government Project Active SC Clearance Required Day Rate: £420 per day inside IR35 Duration: 6 months Location: Mostly Remote (Telford 2 days onsite per month) Job Description: We are seeking an experienced software engineer to join a dynamic team that plays … systems are well-supported and efficiently managed. Key Responsibilities: Contribute to both project work and live service delivery. Develop, implement, and maintain high-quality software solutions. Collaborate with cross-functional teams to ensure successful and timely delivery of services. Key Skills: Proficiency in Java Experience with Spring Boot ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role … building high-performance, scalable software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic ...

Java Software Engineer - Government Project Active SC Clearance Required Day Rate: £420 per day inside IR35 Duration: 6 months Location: Mostly Remote (Telford 2 days onsite per month) Job Description: We are seeking an experienced software engineer to join a dynamic team that plays ...

Java Software Engineer - Government Project Active SC Clearance Required Day Rate:£420 per day inside IR35 Check below to see if you have what is needed for this opportunity, and if so, make an application asap. Duration:6 months Location:Telford - 2 days on-site per month … mostly remote) Job Description: We are seeking an experienced software engineer to join a dynamic team that plays a crucial role in supporting key services. This role involves contributing to xkybehq various project and live delivery tasks, ens Please click on the apply button to read the full ...

Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length … month initial contract, strong likelihood of extension Location: Scotland (fully on site) Key Skills & Experience: Strong core Java development background Experience with Spring Boot Exposure to Azure App Services Proficiency with CI/CD pipelines (Jenkins preferred) Terraform experience desirable Must have valid Right to Work ...

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 ...

Java Software Engineer Edinburgh, Hybrid Ready to make an impact in the space technology sector? Join a pioneering, fast-growing company thats redefining how space-based systems and services are developed and operated globally. This is a fantastic opportunity to contribute to the design and development … innovative software products, working on cutting-edge technology that supports everything from university research to commercial space missions. Whats On Offer: Salary up to £45,000 Hybrid working in Edinburgh 36 days annual leave 6% employer pension contribution Health cash plan, life assurance and enhanced sick pay Ongoing investment ...

Java Software Engineer – Data Engineering Up to £100,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support ...

Backend Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Backend Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing ...

About the Software Developer Role (Remote) A global, market-leading intralogistics company is seeking an experienced Software Developer to join their growing team. This role offers an excellent benefits package, including: Remote working 25+ days annual leave plus bank holidays Option to buy and sell holiday Enhanced pension … scheme Outstanding learning and development opportunities The Role As a Software Developer, you will be responsible for: Providing technical leadership, mentoring, and guidance to other developers Demonstrating strong technical depth across all stages of the software development lifecycle Leading the delivery of software changes to customer sites ...

Role: Software Engineer (Java) Level: Associate Manager and Specialist Location: London, Bristol, Manchester and Birmingham Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address ...

Software Engineer | Building Intelligent Systems That Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful … contribute to projects such as AI-powered tools for analysts and operators, secure data pipelines, and innovative prototypes that explore new frontiers in software capability. You’ll become part of a tight-knit, highly capable engineering group that values independence, precision, and tangible outcomes. This is a place ...

Principal/Senior Java Engineer – Ultra Low Latency Trading Systems Location: London (Hybrid) The Opportunity A leading global quantitative trading firm is seeking an exceptional Java Engineer to join one of the highest-performing engineering teams in systematic trading. This firm operates at the forefront … latency technology, where software performance directly drives trading outcomes. The successful candidate will work on highly optimised, mission-critical trading infrastructure alongside elite engineers, researchers, and traders. This is a highly selective environment focused on technical excellence, ownership, and measurable impact. The Role You will design and build ultra ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry … leading staff tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business ...