Java Software Engineer

Overview We are seeking a Senior Java Developer to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate: £600 per day Contract: Minimum 6 months, high potential to extend Work pattern: 2 days per week, onsite Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability and operational resilience. Work effectively in a regulated setting, ensuring compliance, auditability and secure-by-design principles. Collaborate closely with product, engineering and platform teams to remove blockers and solve systemic issues. Requirements Proven senior-level Java experience (Java 11), including modern language features and best practices. Strong Spring Boot expertise (RESTful APIs, security, configuration, testing). Essential: scale up banking or financial services background within a regulated environment. Cloud-native experience (e.g., AWS/Azure/GCP), containerisation (Docker) and orchestration (Kubernetes). Strong knowledge of CI/CD, Infrastructure as Code, and automated testing (JUnit, Mockito, integration tests). Experience with SQL and relational databases; understanding of performance tuning and transactionality. Production support experience: monitoring, logging, tracing and incident management. Mindset: self-directed, proactive problem-solver who challenges assumptions rather than simply following tasks. Commercial experience with Github Copilot is a desireable skill Preferred: start-up/scale-up or high-growth engineering experience.41bf1e1f-b16b-4260-a40a-17c77a06fd15…