java j2ee developer jobs in London

Join an engineering team as a Java Software Engineer building front-office real-time trading software! A highly successful proprietary trading organisation is seeking to hire a Java Software Engineer for their expanding team in London. You will work on the core trading engine building front-office trading solutions used by front-office teams. Role...

About this role:Are you a talented Software Development Engineer looking to create seamless user experiences across multiple platforms? We are seeking a Software Development Engineer II to join our team and drive innovation for a global streaming platform. In this role, you'll have the opportunity to build, optimize, and enhance client-side applications that...

Role: KDB DeveloperType: Contract (3 Months with potential extension)Location: London, UKWorking Model: Hybrid (3 days per week in office)Core Requirements:10+ Years KDB+/q: Advanced development, query optimization, and L3 support in large-scale production environments.Architecture: Deep knowledge of time-series data modeling, Tickerplant, and RDB/HDB...

Location: LondonCompany: TalanType: [Full-time]About TalanTalan 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 are...

Reference: BBBH3853_ Automation Test EngineerSalary: Up to 70,000 + Bonus + Benefits Location: Newcastle, London, Leeds, Manchester, Blackpool or Sheffield Working Hours: 40 hours per week A globally recognised organisation is looking for an experienced Automation Test Engineer to help deliver secure, reliable and high-quality digital services across major...

Full Stack Developer – Equities Trading TechnologyAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.Our people are empowered with both independence and support: the autonomy to pursue ideas with...

Oxford Knight in London is seeking a Software Developer to join a leading quantitative trading firm, delivering high-performance software for complex financial models.You will work on distributed systems, collaborate with researchers and traders, and contribute to scalable architecture in a fast-paced environment.Applicants should be proficient in Python,...

Build your career in platform engineering with this lively and varied role Seeking a career in platform engineering? This role has ample opportunities to learn new skills and build your experience. A successful company developing software solutions for improving efficiency in the energy sector. Their technology stack encompasses AWS, Azure, and their own...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user / agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with AI while minimizing risk. We operate in one of the...

About Baringa  Baringa is a global consulting firm that partners with leaders to drive change and create value. With deep industry expertise, and enabled by advanced technology, the firm helps clients to deliver with greater confidence and certainty. With over 2,000 people across the UK, Europe, North America, Asia and Australia, the firm combines global...

Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. **Client Details** Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. **Description** -...

Job ID: Posted: Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior FX Prime Brokerage and AI EngineerOverviewAs 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...

Your expertise in cloud infrastructure and data platforms can shape how an entire enterprise accesses, processes, and trusts its data. At JPMorganChase, we build platforms that operate at a scale few organizations ever encounter — and we do it with a team that values craftsmanship, collaboration, and continuous improvement. This is an opportunity to grow...

A London-based trading company is looking for an experienced Java Engineer to join their technology team on an initial 6-month contract.This role is well suited to a backend-focused engineer who enjoys building robust, scalable Java services using modern frameworks, working closely with product, trading, and engineering teams.The RoleDesigning and developing...

Job DescriptionJoin us on the Graphite team, where you can help deliver a best-in-class payments processing platform that powers global expansion. You will work on mission-critical systems, leveraging your passion for technology and AI to create high-performing, low-latency solutions. Experience the excitement of building impactful products that support...

Arrows in West London is seeking a Java Engineer to work on modern, high-scale systems in a hybrid setup. You’ll design, develop and test microservice applications using Docker and Kubernetes, building scalable, maintainable software for distributed systems.You’ll mentor juniors, contribute to training, and shape engineering practices while working...

About Millennium Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed...

About the Business: LexisNexis Risk Solutions is the essential partner in the assessment of risk. Within our Business Services vertical, we offer a multitude of solutions focused on helping businesses of all sizes drive higher revenue growth, maximize operational efficiencies, and improve customer experience. Our solutions help our customers solve difficult...

Java Engineer – Institutional Trading | London | HybridI’m working with a leading global fintech that is expanding its institutional trading technology team and looking for a Java Engineer to help build a new generation of high-performance trading APIs.You’ll join a team responsible for connectivity between institutional clients and global markets,...