1 to 25 of 44 Permanent Java Engineer Jobs in England

Level: Java Engineer (up to £45,000)/Senior Java Engineer (up to £60,000) + bonus, benefits, and sign-on bonus Location: Newcastle (hybrid) Function: Backend Java Engineering Industry: Public Sector/Enterprise Software Delivery Clearance: Must be eligible for UK Security Clearance About … public sector and large enterprise environments. The Newcastle Advanced Technology Centre (ATC) hosts a large, collaborative technical community spanning backend, frontend, and DevOps. The Java engineering team focuses on backend development, delivering high-quality, enterprise-grade solutions with an engineering-first culture and hands-on technical environment. What ...

Senior Java Engineer (Core Java) £100,000 - £130,000 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 Engineer - 4 days onsite near Birmingham Java, Springboot, Microservices, AWS, Docker, KubernetesI’ve partnered with an iconic brand with an unmistakably rich heritage.Join a small engineering team modernising the software behind a range of high-performance luxury British sports cars. You’ll rebuild legacy internal tools … into modern Java-based systems, reverse-engineer existing code, and test your work directly on brand new sports cars!What You’ll Do:? Rebuild and modernise internal systems using Java, Java-based scripting, Spring Boot, Maven, and some React.?Reverse engineer existing tools to understand ...

Role: Lead Java Engineer - Risk & Compliance Platform Location: London (hybrid) Salary: £125,000 - £150,000 + Bonus Are you an exceptional Java engineer ready to step into a true leadership role within one of the most critical platforms in global banking? We're working with … tier financial institution who are expanding their Risk & Compliance Platform Team and are looking for a Lead Engineer to help shape and deliver large-scale, business-critical systems across Market and Credit Risk. You'll be responsible for designing, building, testing and implementing high-quality software across the full ...

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. … will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software Engineer includes: Desktop application development, ideally with Java UI frameworks, e.g. JavaFX, Swing, Qt Object-oriented design and development Multithreaded development Desired ...

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 … hardware level, and partnering closely with quantitative researchers to deliver production-grade trading platforms. Key Responsibilities Design and develop high-performance Java trading infrastructure Build systems processing millions of events per second with deterministic latency requirements Optimise JVM behaviour, memory management, and concurrency models Identify and eliminate performance bottlenecks ...

Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Senior Java Engineer - £85k + Bonus Java, Spring, AWS, Azure, TDD, BDD, Linux, SQL We’re partnered with one of the UK’s fastest-growing Healthcare companies, recognised nationally for transforming digital care across the UK’s hospitals. Their platform is now live in major groups, powering … scaling their engineering teams to build the next generation of high-performance, cloud-ready clinical systems.You’ll work on complex, high-scale problems using Java 21, Kafka, REST APIs, multithreading, distributed systems, AWS/Azure, and modern engineering practices (TDD, CI/CD). Expect real ownership, modern architecture ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). ...

Java Developer £60,000 Leeds - 3 days in office Candidates m ust be UK resident with full UK working rights and be able to commute to Leeds We’re searching for an experienced Java Developer to join an ERP integration software provider based in Leeds. This position requires … working with Java (90%) as the primary language, with additional development in C# (10%) for complementary tools and integrations. Candidates must be a UK resident with full UK working rights and live within a commutable distance to Leeds. Please note we cannot offer visa sponsorship for overseas candidates ...

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 … building robust microservices that support high-traffic user experiences, serving thousands or millions of concurrent users. What We’re Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

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 and maintain automated tests ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack ...

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 … 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 ...

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, with … 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 US based tech … 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 ...

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 … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical ...

Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington Hybrid 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space. The business builds and runs mission critical platforms responsible … architectural ownership, and a strong understanding of the business impact of their work, without stepping into people management. Requirements - Strong backend engineering experience using Java and Spring Boot - Proven experience working with event driven architectures and Kafka - Experience designing and operating systems in AWS environments - Exposure to services such ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods ...

Senior Java Developer - Financial Services - Permanent - London - Hybrid About the role: We are seeking a Senior Java Developer to join a high-performing electronic trading technology team building low latency, highly available trading systems across multiple asset classes. This role is ideal for an experienced engineer … paced, real-time trading environments and enjoys designing, optimising, and scaling mission-critical distributed systems. You will design and build fault-tolerant, event-driven Java services supporting electronic trading platforms. The position involves performance optimisation, system stability ownership, and close collaboration with global Architecture, DevOps, and Product teams. Essential ...

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 US based tech ...

Java Full Stack Engineer - Consultant/Senior Consultant Location: UK (Hybrid Remote with client site travel) Salary: £45,000 - £75,000 + Benefits Security Clearance: SC cleared/eligible Hybrid working | UK-wide Help transform public services through modern engineering. We're supporting a leading digital consultancy … hiring Java Full Stack Engineers who want to use technology to improve outcomes for UK public sector organisations. You'll work closely with clients, engineers and delivery teams to build modern, scalable services that make a real difference to citizens and frontline staff. The Role As part ...

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 digital consultancy … 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, champion development best ...

Hiring: Java Full Stack Developer Location - Bournemouth, England We are looking for a Java Full Stack Developer for a 1-year renewable contract based in Bournemouth (5 days onsite). Contract is renewable. Join a dynamic team driving cloud-native innovation! The Essentials: Exp: Minimum 3 years … Java & Spring Boot. Stack: Oracle, PostgreSQL, Docker, and Kubernetes. Cloud: Hands-on experience with AWS, Azure, or GCP. Ops: Monitoring with Prometheus, Grafana, or ELK Stack. The Role: Design & scale enterprise APIs and backend services. Lead cloud-native deployments and database optimizations. Mentor peers and drive continuous technical improvement. ...

Vitality Offices. Full time hours. We are happy to discuss flexible working! Top 3 skills required: To be fully proficient in Java Familiarity with DevOps tools To be able to identify key areas of improvement within Vitality's processes and standards What this role is all about: Software Engineers … thrive? Demonstrable expertise with 5+ years of experience in the use of appropriate tools/technologies for the design, development, build, testing & deployment of Java/JEE applications. Understanding of Agile Methodologies Demonstrated expertise with Spring Boot Demonstrable experience in integrating disparate applications and technologies using Java Experience ...