Senior Java Software Engineer

Direct message the job poster from Arrows Consultant @ Arrows | UK Contract and Perm | Technology 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.

Seniority level Mid-Senior level Employment type Contract Job function Engineering, Information Technology, and Other Industries Financial Services, Banking, and Technology, Information and Media Referrals increase your chances of interviewing at Arrows by 2x Get notified about new Java Software Engineer jobs in London Area, United Kingdom.

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