1 to 25 of 121 Senior Java Engineer Jobs

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We're looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking online challenger bank start-up funded by a … team building up the functionality of a bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We’re looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. The role … well as working with the CTO to define the technical architecture and integration requirements for the solution. This is a great opportunity for a leading edge, innovative, high-class Java developer to enter the company at a time when you can make your mark on the development of the company and contribute to the quality work that has already More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on … backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security-conscious, regulated, or mission-critical domains Skilled with CI More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on … backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security-conscious, regulated, or mission-critical domains Skilled with CI More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We're hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You'll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you're a hands-on … backend engineer passionate about distributed systems, resilience, and clean architecture - this is your next challenge. Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. Required Experience 10+ years' experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security-conscious, regulated, or mission-critical domains Skilled with CI More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for a … Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ … years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to learn more. More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for a … Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ … years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to learn more. More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for a … Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ … years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to learn more. More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for a … Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ … years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to learn more. More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service 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. … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and More ❯

Senior Java Backend Engineer - Middle Office Location: London Hybrid: 3 days/week in London office Oliver Bernard have partnered with a global brokerage firm that is modernising its middle office technology to support real-time trade data processing and integration. They’re looking for a Senior Java Backend Engineer to join their London … collaborate closely with global stakeholders across technology, operations and front office to ensure seamless data flow and system performance across the trade lifecycle. Your Background 5+ years of professional Java experience Strong Proficiency in SQL and generic scripting languages Proven Product Mindset Solid understanding of CI/CD pipelines The Role You will build new business features to improve … teams. This is a fantastic opportunity to join a collaborative, high-performing technology team building business-critical systems that power global trading operations. Please apply now for more information. Senior Java Backend Engineer - Middle Office More ❯

Senior Java Backend Engineer - Middle Office Location: London Hybrid: 3 days/week in London office Oliver Bernard have partnered with a global brokerage firm that is modernising its middle office technology to support real-time trade data processing and integration. They’re looking for a Senior Java Backend Engineer to join their London … collaborate closely with global stakeholders across technology, operations and front office to ensure seamless data flow and system performance across the trade lifecycle. Your Background 5+ years of professional Java experience Strong Proficiency in SQL and generic scripting languages Proven Product Mindset Solid understanding of CI/CD pipelines The Role You will build new business features to improve … teams. This is a fantastic opportunity to join a collaborative, high-performing technology team building business-critical systems that power global trading operations. Please apply now for more information. Senior Java Backend Engineer - Middle Office More ❯

Senior Java Backend Engineer - Middle Office Location: London Hybrid: 3 days/week in London office Oliver Bernard have partnered with a global brokerage firm that is modernising its middle office technology to support real-time trade data processing and integration. They're looking for a Senior Java Backend Engineer to join their London … collaborate closely with global stakeholders across technology, operations and front office to ensure seamless data flow and system performance across the trade lifecycle. Your Background 5+ years of professional Java experience Strong Proficiency in SQL and generic scripting languages Proven Product Mindset Solid understanding of CI/CD pipelines The Role You will build new business features to improve … teams. This is a fantastic opportunity to join a collaborative, high-performing technology team building business-critical systems that power global trading operations. Please apply now for more information. Senior Java Backend Engineer - Middle Office More ❯

Senior Java Developer - FinTech Start-up (Remote, UK) Salary: £50,000–£80,000 + EMI Stock Options Location: Fully Remote (UK or Europe-based preferred) Company: High-Growth FinTech Start-up Join a Fast-Growing FinTech Revolutionising Payments We’re partnering with a venture-backed FinTech start-up that’s redefining how businesses manage international payments and currency … manual processes, and outdated broker models - their use of AI is pivotal to their mission and the "how". The business is now looking to hire a hands-on Senior Java Developer to help scale their platform and shape the next phase of growth. The Opportunity This is a rare chance to join a well-funded, product-led … small, mission-driven team where autonomy, innovation, and impact are at the heart of everything they do. What You’ll Do Lead and contribute to hands-on development using Java and Spring Boot . Oversee and collaborate with a distributed engineering team (based in Eastern Europe). Own and evolve the technical architecture across AWS and Kubernetes infrastructure. Build More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in … an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯