Top Java Developer Jobs in London

Lead Java Developer responsible for delivering Real-Time and On-Demand Risk enhancements, managing the full development lifecycle, collaborating with global teams, and driving operational improvements.

As a senior developer, you will design and implement microservices, collaborate with teams, optimize software performance, and mentor junior developers.

As a Lead Java Developer, manage applications development teams, communicate project progress, provide technical oversight, and shape future product direction while ensuring compliance and stakeholder management.

The Java Developer will design, code, and implement features for insurance policy and claims handling systems, ensuring compliance with regulatory changes. Responsibilities include testing, debugging, and collaborating with stakeholders while using a test-driven approach to software development.

The Java Developer will create new features for policy administration and claims handling, while also integrating new systems and documenting work according to standards.

Seeking a skilled Java Developer with SC Clearance to design and maintain back-end systems, utilizing AWS and deploying applications using Kubernetes. Collaborate on CI/CD pipelines and develop basic front-end applications with React.

The Java Developer will design, build, and optimize medical services, collaborating with product owners and employing best software practices. Involvement with cloud technologies and integration testing is expected, alongside maintaining and enhancing existing services in a microservices architecture.

Lead the development of scalable cloud-native solutions using AWS and Java. Provide technical leadership, mentoring, and manage high-complexity projects in agile environments.

Lead a Scrum team to design, develop, test and support scalable Java-based applications critical to SwapClear clearing operations. Drive high-quality code (Java 17+, Spring), contribute to frontend and cloud/container deployments, implement test automation, participate in production support (including rota), and document system designs while collaborating across business and CI teams.

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 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.