23 of 23 Senior Java Developer Jobs in Central London

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 … data 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 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 … data 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 More ❯

Senior Java Developer Global Tech Giant Up to £115k 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 … the future of how the business operates globally. Backed by significant investment, this giant has expanded rapidly in the UK and is seeking multiple 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 More ❯

Senior Java Developer Global Tech Giant Up to £115k 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 … the future of how the business operates globally. Backed by significant investment, this giant has expanded rapidly in the UK and is seeking multiple 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 More ❯

Senior Java Microservices AWS Developer Location: London – Hybrid (2 days onsite) Rate: £500/day (Inside IR35) Type: Contract – 6 Months Start Date: ASAP Positions: 1 The Opportunity Join a dynamic, tech-forward team as a Senior Java Microservices AWS Developer, where you'll … work on large-scale, high-performance cloud-native solutions. This role requires strong back-end development expertise using Java and AWS Serverless technologies. You'll lead the design, development, and deployment of robust applications supporting complex business needs in a modern DevOps environment. Key Responsibilities Design and develop scalable … web applications using Java and AWS Serverless architecture. Build and manage microservices using Spring Boot and Java 11+. Implement and maintain CI/CD pipelines using tools such as Jenkins, GitLab, or AWS CodeBuild. Work with AWS services like Lambda, DynamoDB, ECS Fargate, S3, SQS, SNS, RDS, Kinesis More ❯

Senior Java Microservices AWS Developer Location: London – Hybrid (2 days onsite) Rate: £500/day (Inside IR35) Type: Contract – 6 Months Start Date: ASAP Positions: 1 The Opportunity Join a dynamic, tech-forward team as a Senior Java Microservices AWS Developer, where you'll … work on large-scale, high-performance cloud-native solutions. This role requires strong back-end development expertise using Java and AWS Serverless technologies. You'll lead the design, development, and deployment of robust applications supporting complex business needs in a modern DevOps environment. Key Responsibilities Design and develop scalable … web applications using Java and AWS Serverless architecture. Build and manage microservices using Spring Boot and Java 11+. Implement and maintain CI/CD pipelines using tools such as Jenkins, GitLab, or AWS CodeBuild. Work with AWS services like Lambda, DynamoDB, ECS Fargate, S3, SQS, SNS, RDS, Kinesis More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional … customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping the development strategy, and collaborating with cross-functional teams …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional … customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping the development strategy, and collaborating with cross-functional teams …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional … customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping the development strategy, and collaborating with cross-functional teams …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional … customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping the development strategy, and collaborating with cross-functional teams …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional … customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping the development strategy, and collaborating with cross-functional teams …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Analyst Developer/Technical Consultant £120,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using More ❯

Senior Java Analyst Developer/Technical Consultant £120,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using 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 ❯

Paragon Alpha are partnered with a well-established Financial Services Firm who are hiring a Senior Java Developer to lead the buildout of a greenfield execution platform for their Equities desk in London. You will be central to the planning and development of this new build. Using … experience in Equities trading, being able to efficiently and effectively go face to face with professionals on the trading floor. Deploying your proficiency in Java for full-stack trading system development. Tech Stack: Java, Kubernetes, SQL This is an opportunity to take on a leading role on my More ❯

Paragon Alpha are partnered with a well-established Financial Services Firm who are hiring a Senior Java Developer to lead the buildout of a greenfield execution platform for their Equities desk in London. You will be central to the planning and development of this new build. Using … experience in Equities trading, being able to efficiently and effectively go face to face with professionals on the trading floor. Deploying your proficiency in Java for full-stack trading system development. Tech Stack: Java, Kubernetes, SQL This is an opportunity to take on a leading role on my More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

of home and office, subject to operational requirements. As part of the Global Equities Front Office technology team, an opportunity exists for an experienced developer to work on a real-time trade processing and client allocation platform. The platform is primarily built in Java and incorporates low-latency … memory database technologies. The role involves a mix of technical support tasks, including diagnosing production issues, applying bug fixes, and extending the platform using Java and a proprietary workflow/reporting framework. There are also opportunities to collaborate globally to enhance the core framework and develop new features. Candidates … complex equities trading workflows and familiarity with Fidessa ETP and/or CTAC is desirable. Key Responsibilities & Tasks: Develop new workflows using a proprietary Java-based framework Develop new reports using the same framework Collaborate with the global development team to enhance the platform Implement permanent fixes for development More ❯

Role Overview A large crypto market making business is seeking a highly skilled Senior Quant Developer to join their OTC trading team. In this role, you will collaborate with traders and technologists to develop and refine algorithms for both spot and derivative products. You'll be embedded within … years of experience in FX or crypto trading, with direct exposure to client pricing and flow analysis. At least 5 years of advanced Java development experience, including: Strong understanding of object-oriented programming and design patterns. Proven experience building high-performance, low-latency systems. Proficiency in Python (NumPy, SciPy … years of experience in FX or crypto trading, with direct exposure to client pricing and flow analysis. * At least 5 years of advanced Java development experience, including: * Strong understanding of object-oriented programming and design patterns. * Proven experience building high-performance, low-latency systems. * Proficiency in Python (NumPy, SciPy More ❯

Role Overview A large crypto market making business is seeking a highly skilled Senior Quant Developer to join their OTC trading team. In this role, you will collaborate with traders and technologists to develop and refine algorithms for both spot and derivative products. You'll be embedded within … years of experience in FX or crypto trading, with direct exposure to client pricing and flow analysis. At least 5 years of advanced Java development experience, including: Strong understanding of object-oriented programming and design patterns. Proven experience building high-performance, low-latency systems. Proficiency in Python (NumPy, SciPy … years of experience in FX or crypto trading, with direct exposure to client pricing and flow analysis. * At least 5 years of advanced Java development experience, including: * Strong understanding of object-oriented programming and design patterns. * Proven experience building high-performance, low-latency systems. * Proficiency in Python (NumPy, SciPy More ❯

We have a current opportunity for a B2C2 QD - Exchange on a permanent basis. The position will be based in London. For further information about this position please apply. More ❯

We have a current opportunity for a B2C2 QD - Exchange on a permanent basis. The position will be based in London. For further information about this position please apply. More ❯