Job Description Software Engineer / C# / Backend / APIs / Software / Cardiff / Permanent / Hybrid / Vivo Talent is working with a business that has huge growth plans for this year. We're actively working with them to recruit a backend engineer into their team, with strong hands-on experience with C# to help build and evovle their strategic applications. You'll be working on API-driven microservices and scalable systems that power real customer journeys. This is a genuine hands-on role with plenty of scope to influence technical decisions, shape how they build software and mentor junior engineers. If you enjoy solving complex problems, collaborating across teams and taking ownership of high-impact work, you’ll feel right at home. What you’ll do Build and evolve C# microservices and API-driven backend services Develop modern React user interfaces and end-to-end features Troubleshoot across the stack and deliver pragmatic, customer-focused solutions Contribute to architectural decisions and technical discussions Support production systems and help resolve defects and performance issues Collaborate closely with engineers, product owners, and stakeholders Mentor junior developers through pairing, reviews, and knowledge sharing What we’re looking for Strong hands-on experience with C# Comfortable working across modern and legacy systems A problem-solver who takes ownership and cares about code quality Clear communicator who works well in cross-functional teams Experience in agile environments (Scrum, Kanban) Software Engineer / C# / React / APIs / Software / Cardiff / Permanent / Hybrid Software Engineer / C# / React / APIs / Software / Cardiff / Permanent / Hybrid Software Engineer / C# / React / APIs / Software / Cardiff / Permanent / Hybrid