Salary: £60,000 - 70,000 per year Requirements: Proven experience as a Lead Developer or similar senior technical role Strong communicator who can turn complexity into clarity Deep expertise in RESTful API design and scalable backend engineering Strong experience with .NET Core/.NET Framework Proficiency with unit and integration testing Hands-on experience with API documentation tools (Swagger/OpenAPI) Understanding of versioning and backwards compatibility strategies Exposure to CI/CD pipelines (Azure DevOps, Jenkins etc.) Strategic thinker with strong analytical skills Decisive, pragmatic, and accountable Able to build strong relationships across technical and non-technical teams Ownership mindset—quality, reliability, and long-term thinking matter to you Responsibilities: Own API architecture, design patterns, and engineering standards Make final technical decisions and document them clearly (ADRs, rationale, governance) Support scoping and planning for new digital features and products Provide accurate delivery timelines and manage expectations with stakeholders Set clear sprint goals and unblock teams quickly Develop and maintain backend services across multiple digital products Enforce code quality, improve reliability, and support secure data handling aligned to GDPR/UK GDPR Define and meet SLAs/SLOs around availability, latency, and error rates Work closely with IT and infrastructure teams to ensure secure and well-managed environments Lead safe releases, API versioning strategies, and deprecation policies Coach engineers in architecture, performance tuning, and pragmatic delivery Lead design reviews, knowledge sharing, and promote a culture of technical excellence Technologies: .NET Framework API Azure Backend CI/CD DevOps Support Jenkins OpenAPI Swagger ASP.NET Cloud Security More: We are a highly respected organisation in the medical technology space, actively scaling our digital product ecosystem. Our team is focused on modernising and expanding our digital platforms, and we are seeking a Lead API Developer who can take ownership of API strategy and backend development. This role is located in Cambridge, requiring one day of in-office presence per week. Join us to influence architecture, mentor engineers, and shape products that are used globally. last updated 7 week of 2026