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, with potential to convert to a longer-term role
- 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.
- Preferred: start-up/scale-up or high-growth engineering experience.