Top Java Developer Jobs in London

As a Full-stack Java/Clojure Developer, you will develop and enhance software for OTC Derivatives Data, collaborate with teams, maintain applications, and ensure high-quality delivery following best practices.

The Lead Software Engineer designs, develops, and deploys software applications, offering technical leadership while collaborating with teams to ensure best practices in architecture, performance, and security.

As a Senior Engineer, you'll lead projects, contribute to the platform, build new features, and promote a learning culture focused on engineering excellence.

Develop complex distributed systems using Java, Kafka, and Kubernetes. Mentor team members and contribute to all phases of the product lifecycle.

Seeking a Senior Java Developer to lead and mentor the team in delivering iterative solutions, ensuring quality code and driving technology adoption. Key responsibilities include designing systems, implementing DevOps practices, and collaborating with business to enhance technology roadmap.

Design and develop Java and Python applications, lead projects, and mentor junior developers. Ensure robust application testing and support production issues.

The role involves developing end-to-end full stack applications using Java and Spring Boot, along with modern frontend frameworks and AWS services. The engineer will mentor junior staff and employ best practices while adhering to agile methodologies.

As a Principal Java Engineer II in the ML Core team, you will build and maintain machine learning components for Elasticsearch, collaborate with engineering teams, and ensure scalable and high-quality code. You'll lead projects from design to implementation while supporting the team and community.

As a Senior Reliability Engineer, you will enhance system reliability, optimize performance, and implement monitoring for IG's trading platform, collaborating with development teams to improve operational excellence.

As a Backend Engineer at LemFi, you'll design and build scalable, cloud-native backend features, manage software lifecycles, ensure reliability, and collaborate with cross-functional teams to deliver compliant financial products.

As a Senior Product Engineer at Secfix, you will design, build, and maintain backend systems, collaborating with product teams and mentoring junior engineers, while leveraging AI tools for development.

The role involves delivering software solutions, advocating for high coding standards, applying automation techniques, and ensuring operational performance.

The role involves optimizing Elasticsearch for high performance in distributed systems, managing clustering coordination, and resolving complex issues.

As a Senior Software Engineer, you'll solve financial problems through coding, develop distributed systems, and work collaboratively in a fast-paced environment.

As a Full Stack Engineer, you'll develop software solutions using Java, Node.js, and React, ensuring maintainability and security, while mentoring other engineers.

The Software Engineer III implements Scala/Spark pipelines for metric computation, develops Java-based backend services, and collaborates within a cross-functional team to ensure reliable workflows in Big Data environments.

Design, develop, and maintain secure applications using Node.js and other technologies, focusing on building REST APIs, microservices, and contributing to government projects.

As a Senior Software Engineer, you'll develop RESTful Java APIs, integrate third-party APIs, collaborate with the project team, identify bottlenecks, and mentor team members.

The Senior Java Developer will lead the end-to-end development and testing of software products, collaborating with stakeholders and ensuring quality through manual and automated testing within an Agile framework.

The role focuses on modernizing legacy services using AI, improving delivery speed, and building AI-powered development infrastructure. Responsibilities include coding, implementing CI/CD pipelines, and training teams on AI workflows.

As a Senior Java Engineer, you'll develop and optimize backend services, contribute to design decisions, and manage data pipelines for high-impact football projects.

Software Engineers at Zopa focus on building scalable microservices and solving financial problems, working collaboratively with various teams.

The Senior Software Engineer will develop Java APIs, collaborate with teams to deliver products, mentor staff, and improve software delivery processes.

Responsible for platform development and management, collaborating with stakeholders for requirements, and maintaining code quality by mentoring juniors and performing code reviews.

The Senior Java Backend Engineer will lead backend development for a migration project in a complex AWS environment, focusing on automating the actuarial lifecycle in Reinsurance and ensuring alignment with architectural standards.