276 to 300 of 353 Java Jobs in London

demonstrated passion for delivering FX technology in support of our #1 FX business. Role Overview/What will you do: As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve the way our business is run. … STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spring, Understanding of ultra-low-latency development practices. Proven understanding of FX highly preferredWell versed with AI coding tools like Devin , Claude code and Codex ...

healing automation frameworks and test optimisation using ML-based feedback loops. OOP principles are applied to create clean, maintainable and scalable test code in Java or Python. Leverages Cloud & AI-Integrated Test Infrastructure. Operates within AWS/GCP environments to execute cloud-native and distributed test execution, manage test data … exploratory test charters, ideally enhanced with data-driven or AI-supported techniques OOP & Programming: Solid understanding of OOP (Classes, Methods, Inheritance) with proficiency in Java or Python Automation Tools: Hands-on experience with frameworks like Playwright, Selenium, or Cypress AI-Augmented Testing Exposure: Working knowledge or hands-on exposure ...

6815Location: LondonSalary: 85,000-95,000 per yearPosted: 2026-04-16Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role! We have an exceptional opportunity with a leading financial services technology vendor … based in the heart of London. As a Senior Java Developer within this team, you will play a crucial role in the next phase of their growth, working on autonomous software at the core of their processes. You will have the opportunity to bring the most cutting-edge technology ...

Core Java Developer Big Data Trading Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a 30 man start up who have created a market leading product in the financial data market. Details of the full ideas of the company … will help shape the architecture. Candidates Must Have:4 years commercial experienceServer side multi-threaded core JavaJMS and asynchronous MOM architecturesSerious exposure to Core Java (not siloed amateurs)Spring initiatives such as Core Spring, Spring Integration and Spring BatchJUnit and TestNGIdeally RedisIdeally HadoopSQL and OracleExperience leading small development teams. Experience ...

Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed systems that … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. Drive improvements ...

client is in the Financial Sector and is looking for a new Java Engineer to join the team. This role is hybrid with 3 days a week in Central London. In this role you will be working in a small team of 10 on a brand new AI focused product. … Client Details Our client is in the Financial Sector and is looking for a new Java Engineer to join the team. This role is hybrid with 3 days a week in Central London. In this role you will be working in a small team of 10 on a brand ...

Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed systems that … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. Drive improvements ...

Programmer, Software Developer, Junior Software Developer, Software Engineer, Web Developer, Front-End Developer, Back-End Developer, Full-Stack Developer, Application Developer, Mobile App Developer, Java Developer, Python Developer, JavaScript Developer, SQL Developer, HTML, CSS, JavaScript, Python, Java, SQL, Git, Software Testing, Debugging, API Development, Agile ...

while helping shape the architecture and technical direction of highly available, distributed software platforms. Design and develop backend applications and services within a Java environment. Build and enhance distributed systems operating at high throughput and availability. Design event-driven architectures and integrations using Kafka. Shape technical approaches and contribute … issues. Improve observability, maintainability and engineering practices across the platform. Key Skills Significant commercial software engineering experience within complex production environments. Deep hands-on Java development experience. Strong understanding of distributed systems and scalable application design. Strong experience with Kafka and event-driven architectures. Experience designing microservices, APIs and integration ...

solutions for search, security, and observability help organizations deliver on the promise of AI.What Is the RoleWe are on the lookout for a Senior Java Engineer to join our Elasticsearch team and focus on ensuring that the shared platform functionalities of Elasticsearch are easy to use, performant, maintainable and secure.The … issues are successfully resolved.What You Bring Experience crafting APIs and the ability to reason through tradeoffs.Proficiency in algorithms and data structures.Strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features.Experience with low-level Java such ...

complex operational problems. As our business continues to grow, we are interested in speaking with an experienced Full Stack Software Engineer with expertise in Java to join one of our live projects within our Central Government team The Opportunity: We have a wide variety of teams who support our customers … resolve critical issues and ensure service continuity. The Fit: At present we are interested in speaking to Full Stack Engineers with commercial experience using Java, TypeScript, JavaScript and React. You will also be comfortable working with cloud technologies, primarily AWS and Azure. Previous consultancy experience is useful but not essential ...

financial-grade security, and enabling seamless integration at scale. What You Will Be DoingDesign & Architecture: Architect, build, and maintain highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer … Proven track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2).Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands-on experience with event-driven architecture (Kafka or similar messaging systems) and relational ...

grade security, and enabling seamless integration at scale. What You Will Be Doing Design & Architecture: Architect, build, and maintain highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer … track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2). Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands-on experience with event-driven architecture (Kafka or similar messaging systems) and relational ...

more about our technology, engineering culture and people? Check out our Tech Blog. What you'll be doing: Design, build and enhance services using Java 21+, Spring Boot, Kafka, Elasticsearch, Couchbase, SQL, Docker and GradleWork closely with Product Managers, Designers, Engineers and stakeholders to solve meaningful business challengesOwn features from … champion new technologies that can create value for our customers and colleaguesWe're looking for someone who: Has commercial experience building backend applications with Java 21+, Spring Boot and KafkaEnjoys solving complex technical problems and collaborating with others to find the best solutionUnderstands modern engineering practices, including testing, CI/ ...

Secure Development Centre of Excellence. Develop and promote consistent application security methodologies, standards and best practices. Support secure coding standards across technologies including Java, C, C++ and other relevant languages. Integrate security controls and automated testing into CI/CD pipelines , including SAST, DAST and SCA. Support threat modelling … security within CI/CD and DevSecOps environments . The ability to read and understand code in at least one major language such as Java, C, C++, C#, Python or similar. Knowledge of secure software development lifecycles and shift-left security practices. Experience with threat modelling , such as STRIDE ...

Global Financial Services client is hiring for experienced Java or Python Engineers with strong Market Risk and FRTB IMA experience to join a high-profile regulatory technology programme. This will be a permanent role paying between £80K - £110K. Based in the City on a hybrid basis - 3 days per week … office. Experience includes: * Strong Java and/or Python engineering experience * Hands-on Market Risk experience * Strong understanding of FRTB IMA * Experience with Expected Shortfall (ES), NMRFs, P&L Attribution and Backtesting * Experience working with large-scale financial data and complex risk calculations * Strong communication and stakeholder management skills Desirable ...

Java Engineer - Market Data - LSEG/RTSDK Migration Permanent London - Hybrid 3 days per week Salary - £85K - £110K We are seeking an experienced Java Engineer with strong market data and electronic trading experience to support the modernisation of a Futures algorithmic trading platform. The role will focus on migrating from … existing RFA market data usage and map functionality to RTSDK. * Assess differences in market data fields and behaviour across relevant exchanges. * Develop enhancements to Java applications and shared frameworks to support RTSDK. * Support a phased migration while maintaining compatibility and system stability. * Develop and execute automated, regression and integration testing. ...

passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. … will be reviewed accordingly, aligning to availability and requirements ensuring we can match the right candidates to the right roles. We are seeking Junior Java Automation Test Engineer, Technical Consultants to join our team: Automation Testing is at the core of defining, developing and testing products for businesses and their ...

engineers to join our London trading technology teams to build the next generation of crypto trading systems. You will have a strong server-side Java development background, with experience in one or more of order management systems, market connectivity, low latency messaging or price distribution. You will have the ability … skills, with a desire to own issues and see them through to resolution. What We're Looking For: 10+ years' relevant development experienceExcellent core Java skillsExceptional knowledge of concurrency and multithreaded programmingExperience of developing low latency pricing and trading systems in a Linux environmentApplication performance profiling and optimisationBonus Points ...

knowledge and helping each otherExperienced within the Fintech industryYOU HAVE:Significant, professional server-side software development experienceSolid experience programming using Core Java. Exposure to Java 25+ is a plusGeneral familiarity with data structures such as sets, hashes, caches etcExperience developing Front Office financial systems, E-Trading and FIXExperience in delivering … here you will have three stage interviews:1- A chat with one of our great recruiters.2- A zoom chat with one of our Java colleagues where they will ask you detailed questions about your experience3- A Face to Face interview (either in our office or via Zoom). During this ...

each other Experienced within the Fintech industry YOU HAVE: Significant, professional server-side software development experience Solid experience programming using Core Java. Exposure to Java 25+ is a plus General familiarity with data structures such as sets, hashes, caches etc Experience developing Front Office financial systems, E-Trading … here you will have three stage interviews: 1- A chat with one of our great recruiters. 2- A zoom chat with one of our Java colleagues where they will ask you detailed questions about your experience 3- A Face to Face interview (either in our office or via Zoom). ...

maintain functionality within the OpenLink Endur platform Design, build and support integrated applications used across Front, Middle and Back Office teams, primarily using Java/OpenComponents Analyse, troubleshoot and enhance existing Oracle PL/SQL packages, procedures and database solutions Collaborate with business and technical stakeholders to gather requirements … Strong experience developing and supporting solutions within the OpenLink Endur platform Hands-on experience with OpenLink development technologies, including JVS and/or OpenComponents (Java) Strong Java development skills and experience working with enterprise application integrations Solid database development expertise using Oracle PL/SQL Experience supporting, troubleshooting and maintaining ...

maintain functionality within the OpenLink Endur platform Design, build and support integrated applications used across Front, Middle and Back Office teams, primarily using Java/OpenComponents Analyse, troubleshoot and enhance existing Oracle PL/SQL packages, procedures and database solutions Collaborate with business and technical stakeholders to gather requirements … Strong experience developing and supporting solutions within the OpenLink Endur platform Hands-on experience with OpenLink development technologies, including JVS and/or OpenComponents (Java) Strong Java development skills and experience working with enterprise application integrations Solid database development expertise using Oracle PL/SQL Experience supporting, troubleshooting and maintaining ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary ...

performance and help build robust, scalable systems. Key responsibilities include: Developing and optimising high-performance applications primarily in Python, with opportunities to work with Java and C++. Exploring Python/Java/C++ interoperability and identifying the best technical solutions for complex problems. Working closely with Quant and Technology teams … degree in Computer Science, Engineering, Mathematics, Physics, Statistics, Economics or a related discipline. A genuine interest in financial markets and quantitative finance. Desirable experience: Java or another JVM-based language. Exposure to C++. Git, Docker, Jenkins or other CI/CD and deployment tools. Experience with parallel computing, performance optimisation ...