java developer jobs in London

About ITRS Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our mission is to make society’s critical technology work via automated & holistic IT observability solutions that safeguard critical applications and enable innovation.With our prestigious customer base includes 90% of the world's top...

Location: LondonCompany: TalanType: [Full-time] About Talan Talan is a global consulting group specialising in business and IT transformation, with a strong presence in financial markets, digital innovation, and data-driven technologies. We partner with leading financial institutions to deliver innovative solutions that drive performance and resilience. We...

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance trading platform in London. This onsite role requires hands-on design and optimization of ultra-fast pricing and risk systems, with a focus on concurrency, JVM tuning and low-latency architecture.You will...

OverviewJava Developer – Systematic Hedge Fund (London / Hybrid).ResponsibilitiesDesign and write software for Trading Systems, Middle & Back Office, and Corporate Functions.Develop primarily in Java, with exposure to Python and MATLAB.Collaborate in a highly collaborative, diverse, and learning‑oriented environment.Contribute to software across the full...

LMAX is a high-performance, ultra-low latency exchange written in core Java. Join a team that pushes technology further, especially on greenfield projects, and ships with fast feedback and pair programming.You will work across the stack, solving performance-critical challenges with Kubernetes, Nomad, Docker, Kafka, and MySQL, while learning from regular...

About Methods: Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end...

GlobalLogic in the United Kingdom is seeking a Software Engineer to join our high performance engineering team building a real-time banking platform. You’ll design, produce, test and implement working software across the system lifecycle, with a focus on reliability and scalability.You’ll work with Kafka, Java/Spring Boot microservices and cloud-native...

A global consulting group is seeking a highly skilled eFX Java Developer to join their team in London. This role focuses on designing and maintaining low-latency Java applications for eFX trading systems. The ideal candidate will have strong experience in front-office systems, connectivity, and algorithmic trading. Key skills include Core Java,...

iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading...

Our Client in Central London is seeking a seasoned Java Backend Developer with 5+ years of experience and strong SQL Server expertise. You will contribute to backend systems, leverage Spring, and tackle algorithmic challenges within a large codebase.Proficiency in data structures, Unix, and clear communication are essential for success in this six-month...

Tracsis is seeking a Junior Java Developer to join our London team. This role involves Java development, creating Restful Json Web Services, and deploying solutions on AWS cloud infrastructure. The successful candidate will work in a collaborative environment where fresh ideas are encouraged.Qualified candidates should hold a Computer Science degree and have...

Scrumconnect Consulting is a multi-award-winning digital consultancy in the UK, delivering impactful technology solutions. We seek a Java Developer to contribute to design, development and maintenance of high-performance applications.The role emphasizes code quality, API integration, testing, and collaboration with cross-functional teams in an Agile...

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by...

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or industry experience. The role promises an engaging environment with autonomy in decision-making. Benefits include...

Methods Business and Digital Technology is seeking a Java / Python Developer to help manage, build, develop and design the Java Application with exposure to Spring Boot, microservices and system design. You will work across a global team, applying strong OO design and data-structure skills.The role requires 6+ years of hands-on experience and excellent...

A leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses on building and enhancing high-performance...

Location: LondonContract: 12 monthsWorking Pattern: Hybrid - 3 days per week onsitePositions: 3We are recruiting experienced Senior Java Low-Latency Developers to design and develop high-performance trading, exchange connectivity and Direct Market Access platforms.This is a hands-on senior engineering role focused on building resilient, scalable and...

Methods is seeking a Java / Python Developer to join our UK-based team. You will help manage, build, and design Java applications with Spring Boot, microservices, and system design exposure.The role emphasizes collaboration with stakeholders, delivering market risk applications, and contributing to a robust tech landscape. You will operate within an Agile...

A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has experience in Linux and AWS, mentoring abilities,...

As a Full Stack Developer, you will discover, design, build, cloud-based applications and prototypes that support discovery workYou’ll work across both front-end and back-end development, helping teams explore, test, and validate new technical approaches and digital services that underpin wider reform programmesDesign, develop, and test applications using...