Top Java Developer Jobs in London

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.

Lead the architecture and delivery of the PACE platform, mentor engineers, manage production operations, and collaborate with stakeholders in alternative investments.

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

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.

This role involves designing and implementing scalable microservices, mentoring junior developers, and integrating AI technologies within financial applications.

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

This role involves designing scalable services for Wise's global payment network using Java and Spring Boot, focusing on architecture, reliability, and mentoring engineers.

The role involves shaping Wise's investment products, focusing on user experience and cross-team collaboration, while developing web applications and distributed systems.

The Senior Software Engineer will develop web applications and distributed systems, focusing on user experience, project coordination, and clean coding practices.

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

The Senior Java/Kotlin Engineer will develop JVM applications, mentor team members, and improve system designs using Test Driven Development and Pair Programming.

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.

As a Senior Product Engineer at Wise, you will design and implement scalable microservices, collaborate on partner integrations, and mentor junior engineers. Responsibilities include building robust solutions using Java, Spring Boot, Kafka, and PostgreSQL in a collaborative environment.

The role involves diagnosing and resolving production incidents, developing fixes in Java, collaborating with teams, and improving system reliability while managing documentation and monitoring performance.

Design, develop, and maintain scalable web applications and backend services for trading operations. Collaborate with traders and product teams to define requirements, implement high-performance APIs and data pipelines, troubleshoot full-stack issues, ensure code quality and security, research new technologies, and mentor junior engineers to deliver reliable, low-latency trading systems.

Develop and maintain FIX APIs for IG Prime, enhance API capabilities, monitor performance, and support clients while collaborating with stakeholders.

Design, develop, and optimize scalable Java/Spring Boot backend services for real-time football data pipelines. Deploy and scale applications on AWS, implement event-driven architectures (Kafka/Pulsar/RabbitMQ/SQS), ensure system reliability and observability, and collaborate in an agile team to meet high-impact deadlines.

The Senior Software Engineer will enhance the Acquiring Platform by designing and implementing payment methods, APIs, and managing stakeholder relationships. Responsibilities include building scalable infrastructure for merchant payment systems and optimizing distributed architectures.

Design, build, and maintain high-performance Java backend systems that integrate and deploy AI/ML models. Develop RESTful microservices, optimize performance and security, implement CI/CD, work with cloud platforms and container orchestration, and collaborate with data scientists on scalable ML solutions.

The FX Risk Java Developer (VP) will develop high-performance Java applications for global banking, focusing on risk calculations and resilient systems. Responsibilities include designing data structures, implementing algorithms, and supporting projects in a front office environment.

The role involves the technical implementation of FX trading systems, collaboration with teams, system architecture design, and enhancing deliverable quality. Candidates should have experience with FX, ultra low-latency development, and strong communication skills.

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

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