76 to 100 of 129 Java Software Engineer Jobs in the UK excluding London

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, and CI … 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 ❯

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, and CI … 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 ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

or just beginning your career, working at BGC partners provides opportunities to develop skills, make an impact and grow at an accelerated pace. Role Summary – Senior Middle Office Backend Software Engineer GBX is BGC’s flagship platform for electronic trading solutions in the Credit and Rates markets. Used by thousands of brokers and traders daily, GBX is a … growth targets. Areas of focus include system reliability, testability, recoverability, automation, throughput and latency. Our engineers are analytical thinkers and have a strong understanding of computer science fundamentals and software engineering. You will be exposed to multiple financial markets and market structures, have the opportunity work on scaling a real-time system with a global footprint, applying modern software … of senior and intermediate engineers Promote a culture of strong collaboration, share best practice, propose improvement Point of contact with stakeholders and the NY team 8+ years of professional java experience Strong knowledge of data structures and algorithms SQL experience Knowledge of at least one scripting language (shell, python, perl etc.) Knowledge of network programming fundamentals Bachelors degree in More ❯

or just beginning your career, working at BGC partners provides opportunities to develop skills, make an impact and grow at an accelerated pace. Role Summary – Senior Middle Office Backend Software Engineer GBX is BGC’s flagship platform for electronic trading solutions in the Credit and Rates markets. Used by thousands of brokers and traders daily, GBX is a … growth targets. Areas of focus include system reliability, testability, recoverability, automation, throughput and latency. Our engineers are analytical thinkers and have a strong understanding of computer science fundamentals and software engineering. You will be exposed to multiple financial markets and market structures, have the opportunity work on scaling a real-time system with a global footprint, applying modern software … of senior and intermediate engineers Promote a culture of strong collaboration, share best practice, propose improvement Point of contact with stakeholders and the NY team 8+ years of professional java experience Strong knowledge of data structures and algorithms SQL experience Knowledge of at least one scripting language (shell, python, perl etc.) Knowledge of network programming fundamentals Bachelors degree in More ❯

Our client are a high frequency trading firm based in London. They're looking for a back-end Java engineer who will contribute to both sides of the stack. This isn't a typical full-stack role, your time isn't split between backend and frontend work. They have a frontend team in place. You will not be … designing UI. Instead, you will build high-performance Java services that power the trading UI. So yes you need frontend awareness, but your focus is on backend engineering that makes the UI fast and reliable. What you will do: Design and build Java services that feed real-time data to the frontend. Work with the UI team on … back-pressure, and error handling. Improve end-to-end latency by looking across the stack. What you'll bring: Strong knowledge of computer science fundamentals (data structures, algorithms). Java engineering experience in trading, betting, gaming, or streaming. Hands-on work with real-time or data-heavy systems. Comfortable across server and browser. Not essential (but nice-to-have More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … JSON, DSL ). Engage with member firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … JSON, DSL ). Engage with member firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … JSON, DSL ). Engage with member firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working More ❯

to technical innovations within the banking world being one of the first to transform customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised … in middleware & back-end technology - a strategic thinker and digital innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS More ❯

to technical innovations within the banking world being one of the first to transform customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised … in middleware & back-end technology - a strategic thinker and digital innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS More ❯

to technical innovations within the banking world being one of the first to transform customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised … in middleware & back-end technology - a strategic thinker and digital innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS More ❯

to technical innovations within the banking world being one of the first to transform customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised … in middleware & back-end technology - a strategic thinker and digital innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS More ❯

to technical innovations within the banking world being one of the first to transform customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised … in middleware & back-end technology - a strategic thinker and digital innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems More ❯

Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … organized engineering environment. Key Responsibilities: Design and develop software features that are both delightful and essential to users Work closely with Product Management to bring ideas to life Own and lead development on team-owned components and features Innovate within your team and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven … ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming, TDD, and BDD Desirable Skills: Front-end More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … organized engineering environment. Key Responsibilities: Design and develop software features that are both delightful and essential to users Work closely with Product Management to bring ideas to life Own and lead development on team-owned components and features Innovate within your team and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven … ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming, TDD, and BDD Desirable Skills: Front-end More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … organized engineering environment. Key Responsibilities: Design and develop software features that are both delightful and essential to users Work closely with Product Management to bring ideas to life Own and lead development on team-owned components and features Innovate within your team and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven … ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming, TDD, and BDD Desirable Skills: Front-end More ❯

My client is expanding their Java team in Belfast! You will design, develop, and maintain high-quality software solutions that support their business needs. You will work closely with cross-functional teams to deliver scalable and efficient applications while following best practices in software development. Key Responsibilities Develop, test, and maintain software applications, ensuring high performance … resolve technical issues as they arise. Participate in code reviews, providing constructive feedback to peers. Stay up to date with emerging technologies and contribute to continuous improvement efforts. Ensure software security, data protection, and compliance with company standards. Technical Skills: Strong programming skills in Java (at least 4 years commerical experience) Experience with modern frameworks and development tools … technologies such as SQL, PostgreSQL, MongoDB, or similar. Understanding of cloud services and deployment (AWS, Azure, Google Cloud). Experience with version control systems (e.g., Git). Knowledge of software development methodologies (Agile, Scrum, or Kanban). We are looking for outside of the box thinkers, passionate technologists, and someone who would like to excel their long term career More ❯