Top Java Developer Jobs in London

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.

This role involves training large language models to improve code through evaluation and feedback, focusing on correctness, efficiency, and communication.

As a Full Stack Engineer, you will handle the full development lifecycle, engage with stakeholders, and promote best practices in engineering.

The Lead Java Engineer will oversee backend system design and implementation, mentor junior engineers, and ensure code quality while leading high-quality software development.

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.

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

Design and develop Java-based software solutions, optimizing performance and collaborating with cross-functional teams to meet business goals.

The role involves architecting and building scalable backend systems in Java, ensuring reliability and driving cross-functional impact in financial product development.

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.

The role involves modernising automated testing strategies for Java/React apps, improving test quality, and reducing reliance on end-to-end testing, collaborating closely with developers.

The Senior Java Developer will design and build a client lifecycle management solution, focusing on Java/Spring Boot, AWS, and regulatory compliance while collaborating with various teams.

Design and optimize business systems for Oracle, participate in developing microservices architectures, and collaborate on database design and SQL optimization.

The Technology Graduate Programme prepares participants to tackle software engineering projects in Python, Java, or C++. Participants work across teams, gaining mentorship and training aimed at building a long-term career.

As a Senior Software Engineer, you will develop and maintain Java APIs, collaborate with project teams, identify roadblocks in delivery, and mentor team members to enhance skills and knowledge.

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

As a Senior Engineer you will develop scalable software solutions utilizing AI, focusing on API-first microservices, cloud-native applications, and high-quality code delivery.

Lead the development of software solutions for S&P Global's ratings business. Responsibilities include designing scalable applications, implementing REST APIs, and participating in Agile processes.

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.

Join Visa as a Software Engineer in Test, focusing on API testing, CI/CD integration, cloud solutions, and implementing QA best practices within an Agile team.

Lead the design and development of low latency screening systems, provide technical leadership, collaborate with teams, and manage project timelines.

Join 3Pillar as a Junior Software Engineer, focusing on Java and Spring Boot to develop scalable software solutions and collaborate with teams.

Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.

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 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.