1 to 25 of 40 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 ...

Java Software Engineer 12 month contract Based in Bristol Offering 65ph Inside IR35 Do you have experience with Java? Do you have experience in RTOS? Do you want to work with an industry-leading company? If your answer to these is yes, then this could … role for you! As the Java Software Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable ...

Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £60,000 Climate Tech Want to grow your backend skills while working on meaningful climate technology? The software you build will support organisations working to better monitor infrastructure, improve operational safety, and accelerate the transition … systems. Their technology brings together sensor data, cloud platforms, analytics, and geospatial insights to provide greater visibility into real-world operations. By combining modern software engineering with environmental innovation, the company is helping drive more efficient and sustainable infrastructure management. The Role We’re looking for a Java ...

Java Software Engineer 12 month contract Based in Bristol Offering £65ph Inside IR35 Do you have experience with Java? Do you have experience in RTOS? Do you want to work with an industry-leading company? If your answer to these is yes, then this could … role for you! As the Java Software Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable ...

Lead Software Engineer - Java Have you got experience in setting technical vision, influencing system design, and guiding teams in delivering secure, scalable, and high-performing services? In this role, you will focus on technical leadership with mentoring others, driving engineering excellence, and ensuring the backend strategy aligns … backend discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice ...

Java Software Engineer - DV Cleared - Onsite As a DV-cleared Software Engineer in Gloucester, you'll develop impactful solutions for government clients, working on Java and Ansible technologies. This role offers a collaborative environment with opportunities to mentor, learn new skills, and contribute … vital projects. What You'll Do: Design, develop, test, and document software systems using Java Focus on data processing using Ansible Support cloud infrastructure (AWS, Docker, microservices) Mentor junior developers and analyse code defects Collaborate in an Agile team environment Requirements: Must have active DV Clearance: UKIC ...

Java Software Engineer - DV Cleared - Onsite As a DV-cleared Software Engineer in Gloucester, you'll develop impactful solutions for government clients, working on Java and Ansible technologies. This role offers a collaborative environment with opportunities to mentor, learn new skills, and contribute … vital projects. What You'll Do: Design, develop, test, and document software systems using Java Fo click apply for full job details ...

Java Software Engineer - DV Cleared - Onsite Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. As a DV-cleared Software Engineer in Gloucester, you'll develop impactful solutions for government clients, working on Java … collaborative environment with opportunities to mentor, learn new skills, and contribute to vital projects. What You'll Do: Design, develop, test, and document xkybehq software systems using Java Fo Please click on the apply button to read the full job description ...

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 - 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 ...

Senior Java Engineer (Core Java) £115,000 - £145,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

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 everythin click apply for full job details ...

IMMEDIATE JOINERS !! Senior Java Software Developer Location: Bournemouth/Glasgow Work Mode: On-site Job Type: Full-time The Role We are looking for a Java Full Stack Developer who A Java Developer (2-5 years experience) designs, codes, tests, and maintains scalable Java applications … Development: Design and develop high-volume, low-latency applications for mission-critical systems. Back-End Excellence: Write clean, maintainable code using Java and the Spring Boot ecosystem. Front-End Innovation: Build responsive, user-friendly UI components using React, Angular, or Vue.js . Database Management: Design and optimize schemas ...

Backend Software Engineer | High-Growth HealthTech Scale-Up | London (Hybrid) We are working with a fast-growing digital healthcare platform. This is a rare opportunity to join a company where engineering genuinely shapes product, and where the work has measurable real-world impact at scale. The Role … Backend Software Engineer joining a collaborative, Agile engineering team, working across a portfolio of market-leading consumer health products. Every engineer here has meaningful ownership from day one. Day-to-day you'll be designing, building and testing new features, partnering closely with product and design, mentoring ...

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 ...

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 ...

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 ...

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 ...

Contract Java/Full Stack Developer £530/day Inside IR-35 Happy to accept non cleared candidates and those with lapsed SC Remote with occasional travel to London for client meetings only - expensable We are looking for experienced senior Fullstack Java Software Engineers to support projects … Policing. You’ll 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 ...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues ...

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside ...

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 Developer Contract: 12 months Rate: £600 per day (Inside IR35) Location: UK (Remote, adhoc; Leeds, London or Manchester) Project Overview This role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical healthcare systems, improving access … secure, and interoperable digital services that support high-volume user interactions and integrate with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with ...