1 to 25 of 124 Java Developer Jobs in London

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 ❯

Java Developer (Software Engineer Programmer Developer Java Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services) required by our asset management client … in London. You MUST have the following: Strong experience as a Java Developer/Software Engineer/Programmer Excellent Java Experience working in finance/trading (Fixed Income, equities, FX or commodities) Some Front End ability (Vue, React or Angular good but not necessary) Agile The following … Buy-side Data tools such as Glue, Athena, Airflow, Ignite, DBT, Arrow, Iceberg, Dremio Fixed Income performance, risk or attribution TypeScript and Node Role: Java Developer (Software Engineer Programmer Developer Java Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS 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 ❯

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 ❯

Java Developer A leading security company dedicated to protecting businesses and individuals from digital threats. The team is at the forefront of developing cutting-edge security solutions that safeguard sensitive data, ensure privacy, and maintain system integrity. They are looking for a Java Developer to join … components of our security infrastructure. You will collaborate with cross-functional teams to develop robust and secure applications. Key Responsibilities: Design, develop, and deploy Java-based applications using SpringBoot. Work with Apache Kafka to build scalable and real-time data processing solutions. Implement AWS services to create robust, scalable … industry trends and technologies to enhance our security solutions. Requirements: Bachelor's degree in Computer Science or a related field. Proven experience as a Java Developer with a strong understanding of Java fundamentals. Solid experience with SpringBoot for building RESTful APIs. Familiarity with Apache Kafka for real More ❯

Java Developer A leading security company dedicated to protecting businesses and individuals from digital threats. The team is at the forefront of developing cutting-edge security solutions that safeguard sensitive data, ensure privacy, and maintain system integrity. They are looking for a Java Developer to join … components of our security infrastructure. You will collaborate with cross-functional teams to develop robust and secure applications. Key Responsibilities: Design, develop, and deploy Java-based applications using SpringBoot. Work with Apache Kafka to build scalable and real-time data processing solutions. Implement AWS services to create robust, scalable … industry trends and technologies to enhance our security solutions. Requirements: Bachelor's degree in Computer Science or a related field. Proven experience as a Java Developer with a strong understanding of Java fundamentals. Solid experience with SpringBoot for building RESTful APIs. Familiarity with Apache Kafka for real More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have 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 … 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 … a remote-friendly role with up to a maximum of 2 days in the office per week, but flexible. If you're an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have 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 … 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 … a remote-friendly role with up to a maximum of 2 days in the office per week, but flexible. If you're an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 More ❯

Role: Senior Java Developer Location: Central London ( Bank/Moorgate) Hybrid-working Model Senior Level Java Developer is required to join one of the UK's leading Financial Software houses, located in the heart of London. My client has been established for over 20 years and … works with some of London's biggest names, such as Aviva, Lloyds Bank and Amazon. As experienced Java Developer, you will work on the development and maintenance of their financial SaaS products, as well as Greenfield projects. You will be expected to have a proven track record working … to best practices and with the latest Java versions ( 11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Requirements: 1st - 2:1 Bachelor's degree in Computer Science, Software Engineering, or a related field. 3 - 7 years of Java Development More ❯

Role: Senior Java Developer Location: Central London ( Bank/Moorgate) Hybrid-working Model Senior Level Java Developer is required to join one of the UK's leading Financial Software houses, located in the heart of London. My client has been established for over 20 years and … works with some of London's biggest names, such as Aviva, Lloyds Bank and Amazon. As experienced Java Developer, you will work on the development and maintenance of their financial SaaS products, as well as Greenfield projects. You will be expected to have a proven track record working … to best practices and with the latest Java versions ( 11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Requirements: 1st - 2:1 Bachelor's degree in Computer Science, Software Engineering, or a related field. 3 - 7 years of Java Development 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 ❯

Have you got experience leading a team while remaining hands-on and technically involved? Lead Java Developer – FX Trading Salary : up to £130k + bonus (25-50%) Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor … FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java … looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Lead Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Lead Java Developer – FX Trading Salary : up to £130k + bonus (25-50%) Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor … FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java … looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Lead Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in More ❯

A leading corporate banking and capital markets organisation is seeking a Java Developer to join their team in London. Company Description: Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are … execution, hedging and market making, together with the ability to customise solutions to clients’ needs. Job Purpose: The pricing team is looking for a developer with lots of potential and a strong numerate background to help build the next generation Interest Rate pricer. This involves building bespoke pricing platforms … with the C++ quant pricing libraries as well as the distribution of market data to back office systems and internal/external clients. Summary Java development role (Java 21+). The business is ever-changing and demands an agile culture, fast-paced front office environment. The role is More ❯

A leading corporate banking and capital markets organisation is seeking a Java Developer to join their team in London. Company Description: Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are … execution, hedging and market making, together with the ability to customise solutions to clients’ needs. Job Purpose: The pricing team is looking for a developer with lots of potential and a strong numerate background to help build the next generation Interest Rate pricer. This involves building bespoke pricing platforms … with the C++ quant pricing libraries as well as the distribution of market data to back office systems and internal/external clients. Summary Java development role (Java 21+). The business is ever-changing and demands an agile culture, fast-paced front office environment. The role is More ❯

Senior Java Developer Global Tech Giant Up to £95k 2-3x a week in Shoreditch Are you a Senior Java Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a … Senior Developers to lead new squads focused on greenfield projects. They have a strong engineering culture in the London office, and as their Senior Developer, you’ll work with Java (17+), SpringBoot, Kotlin and NoSQL databases . They’ve got their own internal cloud and toolings using Prometheus … and Grafana. As their Senior Developer, you’ll be: A key advocate for best coding practice, standards, and innovation. TDD approach is key for this as you’ll be owning the end to end development of the platform Experienced in mentoring and also hands on support of your team. More ❯

Senior Java Developer Global Tech Giant Up to £95k 2-3x a week in Shoreditch Are you a Senior Java Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a … Senior Developers to lead new squads focused on greenfield projects. They have a strong engineering culture in the London office, and as their Senior Developer, you’ll work with Java (17+), SpringBoot, Kotlin and NoSQL databases . They’ve got their own internal cloud and toolings using Prometheus … and Grafana. As their Senior Developer, you’ll be: A key advocate for best coding practice, standards, and innovation. TDD approach is key for this as you’ll be owning the end to end development of the platform Experienced in mentoring and also hands on support of your team. More ❯

Senior Java Developer - Gaming Industry - Hybrid Working - London - Up to £100,000 p/a Christopher Ali are recruiting on behalf of a well backed games provider targeting the Asian gambling market. They develop their own games and provide a white label platform which also aggregates a number … of 3rd party games suppliers together, supplying games and bespoke solutions to a numerous large operators in the market. As a Senior Java Developer, you will work at all stages of the product lifecycle from requirements capture, through design and implementation, to system testing and integration. You will … remote work based out of the London office. Mandatory skills and experience: Excellent problem solving and communication skills. At least three years of commercial Java development experience, with some experience in real money and/or social gaming industries. Significant technical contribution to complex software products. A degree in More ❯

Senior Java Developer - Gaming Industry - Hybrid Working - London - Up to £100,000 p/a Christopher Ali are recruiting on behalf of a well backed games provider targeting the Asian gambling market. They develop their own games and provide a white label platform which also aggregates a number … of 3rd party games suppliers together, supplying games and bespoke solutions to a numerous large operators in the market. As a Senior Java Developer, you will work at all stages of the product lifecycle from requirements capture, through design and implementation, to system testing and integration. You will … remote work based out of the London office. Mandatory skills and experience: Excellent problem solving and communication skills. At least three years of commercial Java development experience, with some experience in real money and/or social gaming industries. Significant technical contribution to complex software products. A degree in More ❯

Job Title: Core Java Developer – Trading Systems Duration: ASAP – Dec 31, 2025 Setup: Freelance contract inside ir35, daily rate through umbrella Location: Central London (3 days per week onsite, 2 days remote) About the Role: We are seeking a highly skilled Core Java Developer to enhance … platform. You will work closely with Trading, Quant, and IT teams, leveraging your technical expertise to drive platform innovation and business growth. Strong core Java development skills, experience with trading systems, collaboration with global teams, and a focus on algorithm development and platform optimization are key for this role. … Key Responsibilities: Develop and optimize trading algorithms and execution engines using Core Java . Collaborate with global trading, quant, and IT teams to design, implement, and refine trading solutions. Manage a diverse project portfolio, including both greenfield algorithm development and enhancing existing trading technologies. Improve system performance, scalability, and More ❯

Job Title: Core Java Developer – Trading Systems Duration: ASAP – Dec 31, 2025 Setup: Freelance contract inside ir35, daily rate through umbrella Location: Central London (3 days per week onsite, 2 days remote) About the Role: We are seeking a highly skilled Core Java Developer to enhance … platform. You will work closely with Trading, Quant, and IT teams, leveraging your technical expertise to drive platform innovation and business growth. Strong core Java development skills, experience with trading systems, collaboration with global teams, and a focus on algorithm development and platform optimization are key for this role. … Key Responsibilities: Develop and optimize trading algorithms and execution engines using Core Java . Collaborate with global trading, quant, and IT teams to design, implement, and refine trading solutions. Manage a diverse project portfolio, including both greenfield algorithm development and enhancing existing trading technologies. Improve system performance, scalability, and More ❯

Java has grown to be the most prevalent and widely used programming language for years, and we are working on an opportunity for a senior Java developer to continue the great work Java does. You'll, as the senior, be working alongside another senior and the … management as well as managing the expectations of technical and non-technical stakeholders. In terms of the technical side, you'll get to use Java 12 in a Spring Boot format. You'll work within a GCP environment with the platform stack using Kubernetes on GCP, defined by Terraform More ❯