Top Java Developer Jobs in London

The Fullstack Java Developer will design and build dynamic applications, focusing on front end and backend development using Java, Spring Boot, and cloud-native technologies, while ensuring best practices in code quality.

The Lead Java Developer will guide software quality and technical vision, collaborate on large projects, mentor junior engineers, and ensure project goals align with client business needs.

As a Java Developer, you will develop digital products in Agile environments, focusing on eCommerce and enterprise-level software using Java and associated technologies.

As a Principal Backend Engineer, you will build scalable backend services with Java, design APIs, implement microservices, and work with AWS cloud technologies.

The Senior Software Engineer II will develop and enhance investment products, focusing on user experience and cross-team collaboration, while implementing clean code practices.

The Senior C++ / Java Developer designs, develops, and maintains software solutions, collaborating with teams to enhance platform stability and scalability, while mentoring junior engineers and ensuring high coding standards.

The Lead C++ / Java Developer is responsible for designing and maintaining low-latency FX market infrastructure, ensuring high availability and resiliency. This role emphasizes technical leadership and collaboration across teams to deliver robust solutions and improve system performance.

Design and develop high-performance Java applications for real-time trading and risk systems, optimizing performance and providing production support.

You will shape a new investment product by defining its technical foundations, implementing features, and collaborating across teams to enhance user experience with financial management.

The Java Developer designs, develops, and maintains application systems at Citi, focusing on Java and related technologies while collaborating with tech teams to deliver high-quality software solutions.

The Senior Software Engineer will design and implement tools for liquidity management, lead technical initiatives, and mentor junior engineers, directly impacting product and customer solutions.

The Senior Software Engineer will manage impactful projects, design backend systems, ensure compliance, and enhance customer experiences through technical solutions.

Develop tooling for Citi's developer community using Java and SpringBoot. Engage in all SDLC phases and serve as a trusted consultant, enhancing developer experience and fostering continuous learning.

Responsible for software development and testing within the Investment and Trading engineering team, focusing on delivering innovative investment solutions and enhancing software quality and performance.

The role involves designing and building cloud-native applications using Java and Spring Boot, focusing on scalable microservices for financial institutions while leading agile practices.

The FX Risk Lead Java Developer designs and maintains Java microservices for high-throughput applications, optimizes data processing solutions, and ensures system reliability in a cloud-based environment.

As the FX Risk Lead Java Developer, you will design and develop Java microservices, optimize data solutions, implement real-time data processing, and ensure application scalability and reliability. You will collaborate with DevOps, conduct code reviews, and document system architecture.

Lead the Real-time Market Data team at Man Group, architecting a large-scale data infrastructure and driving complex distributed systems projects. Require strong expertise in software engineering, market data feeds, and collaboration in high-performance environments.

As a Senior Software Engineer II, you will drive the technical vision for backend solutions, enhance recipient management, and ensure system reliability.

As a Java Developer, you'll develop features, collaborate with teams, and contribute to CI/CD pipelines, while leveraging AI tools for high-quality software.

As a Backend Engineer, you'll enhance accounting integrations, improve workflows, expand global offerings, and build a scalable platform architecture.

The Java Developer will engineer Trading applications, resolve complex business problems, provide application expertise, and mentor mid-level developers while working in an agile environment.

The role involves developing and maintaining trading and cash management systems using Java 21, focusing on microservices and cloud technologies, with collaboration across business functions.

The Principal Java Engineer will design and optimize low-latency payment systems, develop APIs, deploy applications on AWS, and mentor peers.

Design, develop, and maintain cloud-based applications; provide technical leadership; manage junior team members; engage in agile project management.