Senior Backend Engineer – Welwyn Garden City

A senior backend engineer in Welwyn Garden City develops scalable and maintainable backend systems, collaborating with product managers to translate requirements into robust solutions. The role involves writing secure, high-quality code, automating processes, and applying best practices like TDD and BDD to ensure software reliability. Candidates are expected to have extensive experience with JavaScript, TypeScript, Node.js, and cloud-based microservices, deploying applications on platforms like Azure or AWS. They will support and maintain existing systems, troubleshoot complex issues, and optimise performance, while sharing expertise within the engineering team. The position also involves mentoring junior developers, producing proof of concepts, and continuously improving software quality and system architecture.