26 to 50 of 213 Java Software Engineer Jobs in the UK

Java Software Engineer Location - Luton - hybrid working 2 days in office Salary -£65,000 - £80,000 +Excellent benefits An industry-leading organisation in the Luton area is looking for a Java Software Engineer to join the company at an exciting time of transformation and change. Suitable candidates will have the following experience: Skills & experience … Experienced in delivering complex software solutions (any experience in HR software would be advantageous). • Deep expertise in Java, OO design patterns, multi-threading and asynchronous paradigms. • Experience with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working across cloud-native architectures. • Experience writing performant Rust code is a strong bonus. • Ability to quickly learn More ❯

Java Software Engineer Location - Luton - hybrid working 2 days in office Salary -£65,000 - £80,000 +Excellent benefits An industry-leading organisation in the Luton area is looking for a Java Software Engineer to join the company at an exciting time of transformation and change. Suitable candidates will have the following experience: Skills & experience … Experienced in delivering complex software solutions (any experience in HR software would be advantageous). • Deep expertise in Java, OO design patterns, multi-threading and asynchronous paradigms. • Experience with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working across cloud-native architectures. • Experience writing performant Rust code is a strong bonus. • Ability to quickly learn More ❯

Java Software Engineer Location - Luton - hybrid working 2 days in office Salary -£65,000 - £80,000 +Excellent benefits An industry-leading organisation in the Luton area is looking for a Java Software Engineer to join the company at an exciting time of transformation and change. Suitable candidates will have the following experience: Skills & experience … Experienced in delivering complex software solutions (any experience in HR software would be advantageous). • Deep expertise in Java, OO design patterns, multi-threading and asynchronous paradigms. • Experience with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working across cloud-native architectures. • Experience writing performant Rust code is a strong bonus. • Ability to quickly learn More ❯

Java Software Engineer Location - Luton - hybrid working 2 days in office Salary -£65,000 - £80,000 +Excellent benefits An industry-leading organisation in the Luton area is looking for a Java Software Engineer to join the company at an exciting time of transformation and change. Suitable candidates will have the following experience: Skills & experience … Experienced in delivering complex software solutions (any experience in HR software would be advantageous). • Deep expertise in Java, OO design patterns, multi-threading and asynchronous paradigms. • Experience with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working across cloud-native architectures. • Experience writing performant Rust code is a strong bonus. • Ability to quickly learn More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Java Software Engineer – Consultancy (multiple locations available in the UK) - competitive salary** Please note – due to the nature of work, all candidates must have DV clearance (UK*C Preferable) that is active and transferrable We are looking for a Java Software Engineer to join our consulting client. We have multiple locations available Responsibilities Participate … in agile software development practices, including daily stand-ups, sprint planning, and retrospectively Contribute to the continuous improvement of our team's processes and help us become more efficient Identify opportunities for improvement and propose innovative solutions to keep our client ahead of the curve Meet project deadlines and achieve company objectives, helping us bring our mission to life … Key skills and experience Coding experience in object-oriented languages such as Java, TypeScript or C# Familiarity with front-end web technologies such as HTML, CSS, and JavaScript frameworks like React Strong problem-solving skills and the ability to think critically Excellent communication and interpersonal skills A positive attitude and the ability to work well with others Self-motivated More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Lead Software Engineer - Java Microservices Location: London (Hybrid - 2 days on-site, Monday and Tuesday) Overview We're excited to be supporting our client in hiring a talented Software Engineer (Java Microservices) to join a dynamic, high-performing engineering team within retail banking. This is a fantastic opportunity for a technically minded individual who … s passionate about building fast, reliable, and scalable software within a complex distributed environment. You'll play a key role in designing, developing, testing, and implementing modern microservices-based applications running in the public cloud. This is a hands-on position within a feature team that works collaboratively across the full software development lifecycle. What You'll Be … Doing Designing, producing, testing, and implementing high-quality software across the system lifecycle Working within a permanent feature team focused on delivering business-critical services in a fast-paced Agile environment (two-week sprints) Collaborating with architects, principal engineers, and key stakeholders to align technical solutions with business objectives Applying Agile and Test-Driven Development (TDD) principles to build More ❯

Lead Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Lead Software Engineer – Java (Digital Consultancy) – Edinburgh – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … product managers, and stakeholders to translate business needs into technical solutions. • Drive innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Lead Software Engineer – Java (Digital Consultancy) – Leeds – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Role: Software Engineer - Java Location: Hybrid, two days a week in Sheffield Salary: Up to £50k Are you the type of developer who loves having your own autonomy and ownership over projects? Are you the type of developer who enjoys working in a collaborative environment with people you can learn from? Are you the type of developer … and the orders are coming in thick and fast from major global players who they’ve worked with for years. You’ll be joining a new data science team & software development team that is likely to grow further over the next 12 months. As a Software Engineer, you will be joining a dynamic development team to contribute … evolution of WebApp and Data Platforms. This role is designed for a passionate individual eager to develop innovative features, resolve technical issues, and engage in the continuous improvement of software engineering processes. Your role will encompass the full software development lifecycle, including coding, testing, deploying, and monitoring, with a focus on delivering high-quality software solutions. Things More ❯

Role: Software Engineer - Java Location: Hybrid, two days a week in Sheffield Salary: Up to £50k Are you the type of developer who loves having your own autonomy and ownership over projects? Are you the type of developer who enjoys working in a collaborative environment with people you can learn from? Are you the type of developer … and the orders are coming in thick and fast from major global players who they’ve worked with for years. You’ll be joining a new data science team & software development team that is likely to grow further over the next 12 months. As a Software Engineer, you will be joining a dynamic development team to contribute … evolution of WebApp and Data Platforms. This role is designed for a passionate individual eager to develop innovative features, resolve technical issues, and engage in the continuous improvement of software engineering processes. Your role will encompass the full software development lifecycle, including coding, testing, deploying, and monitoring, with a focus on delivering high-quality software solutions. Things More ❯

Java Engineer A fast-growing Fintech innovating at the intersection of finance and blockchain seek a Java Engineer to join their expanding Crypto team to help design and build scalable, high-performance systems powering the next generation of digital assets. The Role As a key member of the Crypto team, you’ll work on mission-critical … technologies. You’ll collaborate closely with engineers and product teams to deliver robust, secure solutions that push the boundaries of fintech innovation. Tech Stack & Skills We Value Strong core Java development skills Spring Framework expertise Experience with Docker & Kubernetes (cloud-native environments) Familiarity with Kafka and event sourcing architectures Passion for clean, scalable, and well-tested code Exposure to … + strong benefits package Work in a fast-paced, innovation-driven environment Opportunity to make a real impact in the crypto and digital asset space If you’re a Java Engineer excited about solving complex problems in fintech and contributing to the future of digital assets, we’d love to hear from you. More ❯

Java Engineer A fast-growing Fintech innovating at the intersection of finance and blockchain seek a Java Engineer to join their expanding Crypto team to help design and build scalable, high-performance systems powering the next generation of digital assets. The Role As a key member of the Crypto team, you’ll work on mission-critical … technologies. You’ll collaborate closely with engineers and product teams to deliver robust, secure solutions that push the boundaries of fintech innovation. Tech Stack & Skills We Value Strong core Java development skills Spring Framework expertise Experience with Docker & Kubernetes (cloud-native environments) Familiarity with Kafka and event sourcing architectures Passion for clean, scalable, and well-tested code Exposure to … + strong benefits package Work in a fast-paced, innovation-driven environment Opportunity to make a real impact in the crypto and digital asset space If you’re a Java Engineer excited about solving complex problems in fintech and contributing to the future of digital assets, we’d love to hear from you. More ❯

Java Software Engineer Our client, a leading FX trading and liquidity solutions provider, is expanding its Core Engineering team and is looking for talented developers to build and optimise next-generation trading systems. What You’ll Do Design, develop, and enhance low-latency, high-throughput trading components. Work on real-time FX pricing, execution, and risk systems. … with Quant, Trading, and Infrastructure teams to deliver robust, scalable solutions. Drive continuous improvement in system performance, resiliency, and efficiency. What We’re Looking For Strong background in Core Java (Java 8+), data structures, and algorithms. Proven experience with multithreading, concurrency control, and garbage collection tuning. Solid understanding of low-latency architectures and network I/O. Experience More ❯

Java Software Engineer Our client, a leading FX trading and liquidity solutions provider, is expanding its Core Engineering team and is looking for talented developers to build and optimise next-generation trading systems. What You’ll Do Design, develop, and enhance low-latency, high-throughput trading components. Work on real-time FX pricing, execution, and risk systems. … with Quant, Trading, and Infrastructure teams to deliver robust, scalable solutions. Drive continuous improvement in system performance, resiliency, and efficiency. What We’re Looking For Strong background in Core Java (Java 8+), data structures, and algorithms. Proven experience with multithreading, concurrency control, and garbage collection tuning. Solid understanding of low-latency architectures and network I/O. Experience More ❯

Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and … enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with … cross-functional teams to deliver robust and scalable software solutions. Ensure code quality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. Participate in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based More ❯

Senior Software Engineer – Java (Digital Consultancy) – Manchester – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Senior Software Engineer – Java (Digital Consultancy) – Edinburgh – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

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 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, 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, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What’s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within More ❯

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 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, 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, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What’s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within More ❯