1 to 25 of 314 Java Developer Jobs in the South East

Low latency Java Developer - Algo Trading Up to £160,000 p/a Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They … are currently looking to expand their high and intraday trading presence across FX, equities and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in Java Help engineer a … are made efficiently; changes are implemented quickly. It’s a friendly, open place where people are motivated because they enjoy what they’re doing. Java Developers MUST have: Computer Science or Machine learning BSc or Masters or PhD from a top 40 University Globally Some commercial Java Development More ❯

Low latency Java Developer - Algo Trading Up to £160,000 p/a Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They … are currently looking to expand their high and intraday trading presence across FX, equities and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in Java Help engineer a … are made efficiently; changes are implemented quickly. It’s a friendly, open place where people are motivated because they enjoy what they’re doing. Java Developers MUST have: Computer Science or Machine learning BSc or Masters or PhD from a top 40 University Globally Some commercial Java Development More ❯

Social network you want to login/join with: Low latency Java Developer - Algo Trading Up to £160,000 p/a Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop … with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX, equities and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms … mainly in Java Help engineer a new greenfield low latency trading platform Work on connectivity to Financial Exchanges Develop utility applications and excel tools to help with trading activities Work with traders, understand requirements for new applications and strategies to develop and also resolve issues if any This is More ❯

Social network you want to login/join with: Senior Java Developer TDD - Technologist, slough col-narrow-left Client: Client Server Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work … You could be joining a scaling Cyber Security technology company that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and More ❯

Job Opportunity: Java Developer We are working with a client in the Brighton area who is seeking a Java Developer to join their team designing and building bespoke in-house software. As the Java Developer, you’ll work in a hands-on development role. … using Scrum. Familiarity with modern practices including pair programming, TDD (Test-Driven Development), and CI/CD (Continuous Integration/Continuous Deployment). The Java Developer will work on systems that are core to the company’s success, including e-commerce, delivery, and retail sectors. The company invests … in the Java Developer’s career development and interests. #J-18808-Ljbffr More ❯

Java Developer - Low Latency - eTrading, Slough Client: Source Technology Location: Slough, United Kingdom Job Category: Other Work Arrangement: Remote-friendly role with up to 2 days in the office per week, flexible. EU work permit required: Yes Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Low … Latency Java Developer Location: London (Hybrid) Contract: Outside IR35, ~£800-£1,000 (flexible for top candidates) Source Technology has multiple high-performance Java developer roles available on projects at a tier-one investment bank across FX and Cash Equities. What You’ll Do: Develop and optimise … monitoring, reconciliation, and recovery. Implement automated testing and CI/CD best practices. What We’re Looking For: 10+ years' experience in low-latency Java (Java 11+) development. Expertise in JVM tuning, asynchronous programming, and high-performance messaging. Strong understanding of exchange connectivity, market data feeds, and FIX More ❯

Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work … You could be joining a scaling Cyber Security technology company that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and … in London five days a week with a wide range of facilities and an array of perks. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL More ❯

Java Developer Role - Award-Winning UK based FinTech Company - Epsom, Surrey- Hybrid Working - £60,000 - £70,000 (Depending on Experience) G.R.E. Recruitment Limited is delighted to partner with an Award-Winning UK based FinTech Company who are looking to add a Java Developer to their expanding … development team. Ideally I am looking for a Mid-Level Java Developer who has 3-5 yrs experience of working with Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle. They would consider a more experienced Java Developer More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is … seeking a skilled Java Developer to join a dynamic 7-person Scrum team, working on a critical software system for a new satellite platform. This is an exciting opportunity to contribute to cutting-edge space technology in a collaborative, agile environment. About the Role: You’ll be involved … throughout the full software development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and Spring Boot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is … seeking a skilled Java Developer to join a dynamic 7-person Scrum team, working on a critical software system for a new satellite platform. This is an exciting opportunity to contribute to cutting-edge space technology in a collaborative, agile environment. About the Role: You’ll be involved … throughout the full software development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and Spring Boot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience … developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience … developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience … developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern More ❯

The right to work in the UK without sponsorship is essential for this vacancy. An exciting opportunity for a Java Developer has arisen with a leading cyber security innovator developing cutting-edge cyber security testing solutions, based in London. This is a great opportunity for a Java Developer to join a fast-growing, mission-driven team and help shape the future of automated cyber security testing tools. You’ll work hands-on with Java, collaborating across disciplines to build innovative solutions with autonomy and immediate impact. You will commit to a hybrid working model … required onsite 3 days a week. Experience of the Java Developer includes: 1+ year with Java development and object-oriented design Test-driven development, including experience with TDD, JUnit, and user testing Use of GIT VCS Creation of detailed design documentation If you are a Java More ❯

The right to work in the UK without sponsorship is essential for this vacancy. An exciting opportunity for a Java Developer has arisen with a leading cyber security innovator developing cutting-edge cyber security testing solutions, based in London. This is a great opportunity for a Java Developer to join a fast-growing, mission-driven team and help shape the future of automated cyber security testing tools. You’ll work hands-on with Java, collaborating across disciplines to build innovative solutions with autonomy and immediate impact. You will commit to a hybrid working model … required onsite 3 days a week. Experience of the Java Developer includes: 1+ year with Java development and object-oriented design Test-driven development, including experience with TDD, JUnit, and user testing Use of GIT VCS Creation of detailed design documentation If you are a Java More ❯

The right to work in the UK without sponsorship is essential for this vacancy. An exciting opportunity for a Java Developer has arisen with a leading cyber security innovator developing cutting-edge cyber security testing solutions, based in London. This is a great opportunity for a Java Developer to join a fast-growing, mission-driven team and help shape the future of automated cyber security testing tools. You’ll work hands-on with Java, collaborating across disciplines to build innovative solutions with autonomy and immediate impact. You will commit to a hybrid working model … required onsite 3 days a week. Experience of the Java Developer includes: 1+ year with Java development and object-oriented design Test-driven development, including experience with TDD, JUnit, and user testing Use of GIT VCS Creation of detailed design documentation If you are a Java More ❯

Social network you want to login/join with: Java Developer - UpTo £80k – Java, Spring, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description … of London – 5 days in office during probation period (hybrid after ) A fast-growing, FCA-regulated trading and investment firm is seeking a talented Java Developer to join their highly skilled tech team. You'll be instrumental in building a brand-new trading platform from scratch, no legacy … tools and real impact. As part of a cross-functional team of experienced engineers and finance professionals, you’ll develop high-performance systems using Java and spring in a cloud-first, AI-forward environment. To be considered for this Java Developer role, you’ll need: Bachelor’s More ❯

Lead Java Developer – FX/Trading! 💹💰 Salary: £120,000 - £130,000 + bonus (previously 25-40%) + benefits📍 Location: 3 days onsite, City of London Do you enjoy writing Java code day-to-day as well as line-managing your own team? Do you have a few … work on cutting-edge trading solutions! This highly respected financial institution is expanding its London office and is on the lookout for a Lead Java Developer to guide one of the teams working on an App in the Cloud product. As the Lead Java Developer, you … will:Be a hands-on leader and write Java code, pair-program with your team and carry out code reviewsLine manage a team of approximately 4-5 Engineers, helping them grow in their careers and developmentContribute and discuss with different stakeholder in the business, notably the Product and Design More ❯

Lead Java Developer – FX/Trading! 💹💰 Salary: £120,000 - £130,000 + bonus (previously 25-40%) + benefits📍 Location: 3 days onsite, City of London Do you enjoy writing Java code day-to-day as well as line-managing your own team? Do you have a few … work on cutting-edge trading solutions! This highly respected financial institution is expanding its London office and is on the lookout for a Lead Java Developer to guide one of the teams working on an App in the Cloud product. As the Lead Java Developer, you … will:Be a hands-on leader and write Java code, pair-program with your team and carry out code reviewsLine manage a team of approximately 4-5 Engineers, helping them grow in their careers and developmentContribute and discuss with different stakeholder in the business, notably the Product and Design More ❯

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + 25-50% bonus … We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by … someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data More ❯

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + 25-50% bonus … We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by … someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … design, and steering collaborative technical decisions across squads. What they’re looking for: Proven experience supporting large-scale, business-critical systems Strong background in Java and ideally C# Some front end exposure (Angular ideally but other frameworks considered). Note the role is back end focused. Comfortable working with … implementation Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … design, and steering collaborative technical decisions across squads. What they’re looking for: Proven experience supporting large-scale, business-critical systems Strong background in Java and ideally C# Some front end exposure (Angular ideally but other frameworks considered). Note the role is back end focused. Comfortable working with … implementation Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … design, and steering collaborative technical decisions across squads. What they’re looking for: Proven experience supporting large-scale, business-critical systems Strong background in Java and ideally C# Some front end exposure (Angular ideally but other frameworks considered). Note the role is back end focused. Comfortable working with … implementation Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … design, and steering collaborative technical decisions across squads. What they’re looking for: Proven experience supporting large-scale, business-critical systems Strong background in Java and ideally C# Some front end exposure (Angular ideally but other frameworks considered). Note the role is back end focused. Comfortable working with … implementation Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply More ❯