Backend Developer

Location

Based in Swansea, South Wales – three days per week on-site.

Visa sponsorship available for eligible candidates.

Role Overview

We are looking for an experienced Senior Backend Developer with strong expertise in Java and Spring Boot to design and build scalable, secure, and high-performance backend systems. The ideal candidate should have experience working on large-scale digital platforms, including exposure to public sector or standards-driven environments such as GDS‑aligned projects.

Key Responsibilities

• Design, develop, and maintain backend services using Java (8/11/17+) and Spring Boot
• Build and manage RESTful APIs and microservices architectures
• Collaborate with cross‑functional teams including frontend, DevOps, and product stakeholders
• Write clean, maintainable, and testable code following best practices
• Ensure application performance, scalability, and security