1 to 25 of 28 Senior Java Developer Jobs in London

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 … 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 … 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 £80,000-£90,000 Central London – Hybrid Working I’m currently working for a global FinTech business who are looking for a Senior Java Developer with experience in Salesforce to join their growing team in London on a hybrid basis while … means they are now looking to add to their Development team with many of these exciting projects already underway. They are looking for a Senior Developer who has good experience working with Salesforce – which many of their platforms use on the backend – while also being an expert Java Developer and API integration. You will be part of a 4-5 person team and ultimately support the business in developing and enhancing the business product suite and bespoke software for an international client base. This company are based in Central London and require office working of twice More ❯

Senior Java Developer £80,000-£90,000 Central London – Hybrid Working I’m currently working for a global FinTech business who are looking for a Senior Java Developer with experience in Salesforce to join their growing team in London on a hybrid basis while … means they are now looking to add to their Development team with many of these exciting projects already underway. They are looking for a Senior Developer who has good experience working with Salesforce – which many of their platforms use on the backend – while also being an expert Java Developer and API integration. You will be part of a 4-5 person team and ultimately support the business in developing and enhancing the business product suite and bespoke software for an international client base. This company are based in Central London and require office working of twice 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. … 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. … 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 Analyst Developer/Technical Consultant £130,000 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 £130,000 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 ❯

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 … 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 ❯

Low Latency, FX, Banking Location: London (On-site, 5 days a week) Full-time, permanent We are seeking a Senior Java Developer with expertise in Core Java, low-latency systems, and FX trading to join our team. This role is based on-site in the UK … practices in multithreading, memory management, and garbage collection tuning. • Collaborate with global teams to integrate systems and improve existing architectures. • Maintain and improve existing Java applications while ensuring code quality and security compliance. • Troubleshoot complex performance bottlenecks and implement optimizations Required Skills & Experience • Strong expertise in Core Java (Java 8+), including concurrency, collections, and JVM performance tuning. • Proven experience in low-latency, high-frequency trading systems. • FX trading domain knowledge with experience in pricing, risk, and execution systems. • Experience with multithreading, garbage collection tuning, and optimizing memory management. • Strong understanding of networking, TCP/IP, messaging More ❯

Low Latency, FX, Banking Location: London (On-site, 5 days a week) Full-time, permanent We are seeking a Senior Java Developer with expertise in Core Java, low-latency systems, and FX trading to join our team. This role is based on-site in the UK … practices in multithreading, memory management, and garbage collection tuning. • Collaborate with global teams to integrate systems and improve existing architectures. • Maintain and improve existing Java applications while ensuring code quality and security compliance. • Troubleshoot complex performance bottlenecks and implement optimizations Required Skills & Experience • Strong expertise in Core Java (Java 8+), including concurrency, collections, and JVM performance tuning. • Proven experience in low-latency, high-frequency trading systems. • FX trading domain knowledge with experience in pricing, risk, and execution systems. • Experience with multithreading, garbage collection tuning, and optimizing memory management. • Strong understanding of networking, TCP/IP, messaging More ❯

Senior Java Developer - FX Options Technology - VP - London About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe … demonstrated passion for delivering FX technology in support of our FX business. Role Overview/What will you do: We are looking for a Java developer and technologist to take a hands-on role, contribute to the design and delivery of feature enhancements for our business, and be 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 ❯

Join us as a Senior Trading Java Developer at Barclays, where you'll spearhead the evolution of our digital landscape, driving innovation and excellence. In this role, you will be performing activities related to the design, development, unit testing, deployment, support, and maintenance of an exciting transformational … high visibility. This ambitious initiative leverages a modern tech stack, offering a unique opportunity to make a significant impact. To be successful as a Senior Trading Java Developer , you should have: Strong experience in Java low latency programming. Experience building enterprise scale desktop and/or … contributor, they will be a subject matter expert within own discipline and will guide technical direction. Advise key stakeholders, including functional leadership teams and senior management on functional and cross-functional areas of impact and alignment. Manage and mitigate risks through assessment, in support of the control and governance More ❯

please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: Senior JAVA Camunda Developer Job Type: Permanent Location: London Ready to utilise your skills in JAVA, GCP and Camunda? Careers at TCS … bring products to life. Work with customers and identify opportunities to support their strategy and improve their processes across functions. The Role: As a Senior JAVA& Camunda Developer you will be directly working with Technical Leads in Compliance IT domain and working on the development and implementation … you will have opportunity to work first hand with multiple stakeholders across different tech stack like Cloud, AI etc. Key responsibilities: Design & develop in JAVA on GCP Platform. Performance tuning and optimization. Exploring new capabilities and components & doing PoC for assessment. Debugging & troubleshooting. Your Profile Essential skills/knowledge More ❯

Java Developer - London, Hybrid A modern fintech company is seeking a talented individual to join their dynamic team. This permanent role offers hybrid working arrangements and a competitive salary of up to £75,000. What is in it for you: Hybrid working Pension Private healthcare and dental cover … for your onward career development ....and much more The Role: The role is designed for those who thrive on innovation and excellence. As a Java Developer, you will be instrumental in designing, developing, improving, optimising, and maintaining cutting-edge software solutions. Your expertise will also be crucial in … a keen interest in the fintech sector are imperative for success in this role. To be considered: Candidates must possess substantial experience in Core Java development. Be proficient in working with Linux , Docker, and Kubernetes. A solid understanding of data structures and algorithms is essential. Additionally, familiarity with secondary More ❯

Java Developer - London, Hybrid A modern fintech company is seeking a talented individual to join their dynamic team. This permanent role offers hybrid working arrangements and a competitive salary of up to £75,000. What is in it for you: Hybrid working Pension Private healthcare and dental cover … for your onward career development ....and much more The Role: The role is designed for those who thrive on innovation and excellence. As a Java Developer, you will be instrumental in designing, developing, improving, optimising, and maintaining cutting-edge software solutions. Your expertise will also be crucial in More ❯

Your role: Joining the Connectors product line as a Senior Java Developer, you would work as a member of a small, highly focused team, responsible for delivering backend services for highly scalable and robust messaging, using leading edge technologies. This is an opportunity to work in an … Migrate existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in the development of functional test cases Develop deployment systems for Java-based systems Collaborate with product owners on … operation of production systems Participate in knowledge sharing activities with colleagues Pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes More ❯

London. They are upgrading their Calypso instance, and looking to build out their London presence. As a result, they are looking to hire a Senior Software Developer into the programme. Skills Required:- Undergraduate Degree. 5+ years' experience in Capital Markets with 5+ years experience as a Java Developer Some exposure to Calypso Understanding of financial markets especially Fixed income products, Cash and Derivatives Ability to work independently as the Senior Developer. Experience and comfort level acting as a subject matter expert and consultant. More ❯

London. They are upgrading their Calypso instance, and looking to build out their London presence. As a result, they are looking to hire a Senior Software Developer into the programme. Skills Required:- Undergraduate Degree. 5+ years' experience in Capital Markets with 5+ years experience as a Java Developer Some exposure to Calypso Understanding of financial markets especially Fixed income products, Cash and Derivatives Ability to work independently as the Senior Developer. Experience and comfort level acting as a subject matter expert and consultant. More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem … to plan new features. Research and suggest new mobile products, applications and protocol. Qualifications/Experience: Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development. 5 to 7 years of extensive native mobile app (iOS & Android) and web app More ❯

Java Developers - Low Latency Experts - Contract - Outside IR35 Looking to speak with Java/Low latency engineers to work on a large scale financial services project in London. This is a multi-year project and looking for latency specialists to come in and help build it out. Skills … needed - Core Java, Performance Tuning, Concurrency, Threading, HFT. £800-900 per day, 12 month contract, Outside IR35 2-3 days in London No sponsorship offered, please do not apply if you need it. More ❯

Java Developers - Low Latency Experts - Contract - Outside IR35 Looking to speak with Java/Low latency engineers to work on a large scale financial services project in London. This is a multi-year project and looking for latency specialists to come in and help build it out. Skills … needed - Core Java, Performance Tuning, Concurrency, Threading, HFT. £800-900 per day, 12 month contract, Outside IR35 2-3 days in London No sponsorship offered, please do not apply if you need it. More ❯