Top Java Developer Jobs in London

As a Senior Java Developer, you'll lead a team to build and enhance a programmatic advertisement platform using modern technologies, ensuring high performance and availability.

The Java Software Engineer will develop robust and scalable code for customer services using Java, AWS, and Postgres, while advocating for clean coding and best practices.

The role focuses on developing trading applications, enhancing GUIs, and collaborating with trading and quant teams for pricing and execution of algorithms.

As a Front-End Developer, you will design and develop web interfaces, collaborate with teams, mentor juniors, and ensure adherence to coding standards and best practices.

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.

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.

As a Junior Software Developer, you'll train in Java and Scala, build real applications, and collaborate globally to solve business challenges.

Develop and maintain scalable microservices and RESTful APIs using Java and Spring Boot on AWS infrastructure. Collaborate with the team to deliver high-quality services.

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 Senior Full Stack Engineer will develop innovative applications, manage the entire development cycle, and use XP with remote pairing.

The role involves improving Elasticsearch's concurrent indexing, maintaining cluster coordination, addressing performance issues, and supporting engineers. Requires strong Java and distributed systems knowledge.