Senior Java Software Engineer

Senior Software Engineer (backend focus) - Java, Springboot & AWS – paying up to £650/day (Outside IR35) – Hybrid (2x a week - London) – 6 month contract

A fast-growing digital banking platform is seeking a Senior Backend Engineer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to help scale a modern core banking platform used by millions - while working in an agile, high-ownership engineering culture.

What You'll Be Doing:

• Build and scale backend services using Java and Spring Boot
• Shape a modern microservices architecture for a high-availability platform
• Deploy and manage services in AWS with Kubernetes (EKS)
• Design, implement, and own features end-to-end from discovery to production support
• Advocate for clean code, automated testing, and CI/CD best practices
• Mentor other engineers and contribute to a culture of knowledge-sharing
• Collaborate with cross-functional teams including product, design, and infrastructure
• Troubleshoot complex issues and help ensure system reliability and performance

What You’ll Bring:

• Strong backend engineering experience, especially in Java and Spring
• Deep understanding of distributed systems and microservices
• Hands-on experience with AWS, Kubernetes, Docker, and Terraform
• Familiarity with CI/CD pipelines and testing best practices
• Solid SQL and relational database skills
• Ownership mentality, with strong problem-solving skills and attention to detail
• Great communication and a collaborative mindset

Bonus Points:

• Experience with Node.js or frontend technologies like React
• Familiarity with Grafana, TeamCity, or observability tooling
• Interest or experience in financial services, compliance, or digital banking

If you're excited to work in a fast-paced environment where engineers lead innovation - we’d love to hear from you.