1 to 25 of 107 Permanent Senior Java Developer Jobs in London

Join to apply for the Senior Java Developer role at Barclays Business Banking Join to apply for the Senior Java Developer role at Barclays Business Banking Get AI-powered advice on this job and more exclusive features. Join us as a Senior Java Developer at Barclays, where you'll help us build centralised, electronic quote/order management and execution platforms following principles of scalability, performance and consistently excellent client and user experience. To be successful as a Senior Java Developer, you should have the following skills/… experience: Proficient in Java programming. Experience building and maintaining electronic trading systems. Experience designing distributed systems. A solid understanding of the equities, derivatives and/or fixed income businesses. Collaborative mindset and excellent communication skills. Some Other Highly Valued Skills May Include Experience with development and build tools, e.g. More ❯

Join to apply for the Senior Java Developer - London role at Adaptive Join to apply for the Senior Java Developer - London role at Adaptive WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We … York, Barcelona and Montreal, we have a proven track record delivering powerful, elegant and intuitive trading technology solutions. We are now looking for a Java developer to join our London team on a new exciting project! YOU ARE: A JVM lover who really enjoys working with the latest … 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 17+ is a plus General familiarity with data structures such as sets, hashes, caches etc Experience developing Front Office financial systems, E-Trading and More ❯

you want to login/join with: Are you interested in sustainable energy and saving the world? Have you got experience coding with Core Java, Multithreading, Concurrency and Low Latency? FULLY REMOTE Senior Java Developer – Sustainable GreenTech Project Salary: Up to £130k Location: fully remote in … partnered with a unique energy software platform that is helping consumers transition towards a sustainable future. They are in search of enthusiastic and knowledgeable Senior Java Developers of all levels with a strong comprehension of the Core Java principles to join their growing team. This is a … and suppliers with easy access to energy trading by producing energy as a service as opposed to a commodity. You will be a fantastic Senior Java Developer if you have worked with Core Java and have extensive experience with Multithreading, Concurrency and Low Latency, because you More ❯

Senior Java Developer (VP) – London – Equities Sales and Trading Senior Java Developer (VP) – London – Equities Sales and Trading Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. … second line support, including out of hours, for the processes and components you develop. Key Skills And Experience Required Primary development expertise in core Java development, including knowledge of collections, IO, multi-threading and generic You will be a highly motivated self-starter who is comfortable taking on new … will have experience working with build tools such as Gradle and Maven. You will be comfortable working with Linux and be familiar with standard developer tooling, such as Git, BitBucket/GitHub, Jira, Confluence, etc. Prior experience developing front office Trading applications/Systems Bonus points for Experience or More ❯

Senior Java Developer/Backend Software Engineer (Spring Boot) London to £80k Well established trading brokerage is seeking a Senior Java Developer as they expand into UK markets. As a Senior Java Developer, you'll join a small technology team building … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/NoSQL databases You have 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 … 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 ❯

based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server 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 enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice More ❯

Client Server Location: london, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 3 Posted: 08.05.2025 Expiry Date: 22.06.2025 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 enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice More ❯

Join to apply for the Senior Java Developer - London role at Citi Join to apply for the Senior Java Developer - London role at Citi Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more … We Do/The Team We are a global team responsible for a markets-wide strategic risk management platform. We're looking for skilled Java Developers to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to … integrate functions and identify system enhancements. Solve critical issues by evaluating complex business and system processes. Apply your Java expertise and ensure architectural alignment. Develop coding standards for testing, debugging, and implementation. Understand the integration of business areas, architecture, and infrastructure. Analyse problems and create innovative solutions. Mentor junior More ❯

Senior Java Developer - Market Data - FX Options Technology - VP - London Senior Java Developer - Market Data - FX Options Technology - VP - London Senior Java Developer - Market Data - FX Options Technology - VP - London About Citi As the world's most global bank, Citi gives … the financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the …/What will you do: The FX Options Market Data System is going through significant reengineering and modernisation. We are looking for an experienced Java developer and technologist to take a hands-on role and contribute to the design and delivery of the system. Deliver features and enhancements 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 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 Developer – 70K Location: Yorkshire Industry: IT Salary: £60000 - £70000 per annum + Pension, Health, Gym Posted: 27/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture, Kafka … Steams, Kubernetes, React, Typescript – Technical lead on project – Fully remote if need be – 70K About the Role As the Senior Java Software Engineer, you’ll be a key player in developing this cutting-edge CRM SAAS solution. You’ll work on projects throughout the software lifecycle, from requirements … ll Do * Work with the wider project team, engaging with PM & Business Analyst’s and communicating the technical project requirements * Develop and unit test Java software applications * Work on the customer-driven proactive roadmap, introducing innovations for new digital services * Report directly to the Principal Engineer Required Skills and 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 ❯

Role: Senior Java Developer (Algo/FX eTrading) London (Hybrid) £100,000 - £160,000 We are seeking a Senior Java Developer to join the Global Front Office Algo eTrading Development Team of a leading investment bank. This is an exciting opportunity to design, develop … and deliver high-performance technical solutions for a cutting-edge trading platform. Responsibilities Be a hands-on Senior Developer, influencing project direction from the outset. Develop new connectivity and RFQ protocols, including portfolios, for the expansion of eTrading. Enhance the auto-quoting and algo framework for pricing, offering … the platform, supporting internal mobility and strategic programs. Contribute to regulatory and control-related initiatives, including the replacement of Algo containers. Key Skills Core Java: High-performance Java coding with expertise in zero-GC/non-allocating development. Multithreading: Advanced knowledge of concurrent programming. Low Latency Trading: Proven More ❯

Eeze Hammersmith, England, United Kingdom Join or sign in to find your next job Join to apply for the Mid-Senior Java Developer role at Eeze Eeze Hammersmith, England, United Kingdom Join to apply for the Mid-Senior Java Developer role at Eeze Eeze … in the European market. We design, develop, and deliver immersive live casino games tailored to your brand and its audience. Job Summary As a Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides … and implementation, but also gain production experience. You'd be a great fit if you are a reliable individual with a solid understanding of Java and Spring alongside being passionate for new technology trends! Key Responsibilities: API Development: architect and code integration APIs to support seamless communication between systems More ❯

Senior Java Developer - Java SDK, J2SE, - Hybrid 2 days a week, London This will be working for a leading travel technology company that provide the search engine function for booking services within airlines, hotels, and rail companies around the world. As the Senior Java developer, you will join a very dynamic, intelligent, and analytical team as they solve complex problems within the platform, as you will be responsible for the development and maintenance of the applications. Your experience and knowledge must be in depth on core and technical Java programming, web … architectures and databases. The depth in Java and your experience must reflect/include data structures, software design principles and algorithms Requirements: Excellent knowledge of core Java Understanding of algorithms and data structures Strong problem-solving skills Solid knowledge of Java SDK/J2SE Degree in computer More ❯

Social network you want to login/join with: Senior Java Developer, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems … exciting? Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex 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. As the senior developer, you will be working alongside … another senior developer and the tech lead, overseeing the 6 juniors within the team. You will be mentoring, coaching, and doing line management, as well as managing the expectations of technical and non-technical stakeholders. In terms of the technical side, you will get to use Java More ❯

Social network you want to login/join with: 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 paying up to £90,000. … 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 ❯

Join to apply for the Senior Java Developer, VP role at Citi . Get AI-powered advice on this job and more exclusive features. At Citi, we believe in the power of engineering to drive success and nurture a culture where innovation, collaboration, and professional growth thrive. … system handles millions of trades daily and conducts all sub-ledger activities, which are critical for the bank. We are seeking a highly experienced Senior Java Developer to modernize our core financial accounting systems. You will play a critical role in migrating existing C++ modules and shell … scripts to a modern Java-based architecture. This involves analyzing existing code, designing equivalent Java components, and ensuring a seamless transition while maintaining system functionality and performance. This role is based at our London office, interfacing with global technology and business teams. Responsibilities: Analyze existing C++ modules and More ❯

Social network you want to login/join with: Senior Java Developer - New - (REFBJ24), wiltshire col-narrow-left Client: RedRock Resourcing Location: wiltshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 14.06.2025 Expiry Date: 29.07.2025 col-wide Job … Description: Hybrid Working A leading provider of SaaS solutions requires a Senior Java Developer/Java Lead. The ideal candidate will have a strong background in software development coupled with the following: Strong (and current) experience in both Java and Springboot, ideally coupled with experience More ❯