We’re seeking a hands‑on API Developer to join our API Team in Valencia, Spain, working within the Labs Domain or another internal domain depending on the assignment. Reporting to the Platform Engineering Manager or equivalent, the role follows a hybrid working model aligned with the needs of the team. You’ll turn product goals into robust technical solutions, craft high‑quality .NET APIs, champion API‑first practices, and collaborate closely with Product Owners, Architects, Security, and Platform teams to deliver reliable, scalable services.LocationParque Tecnológico, Paterna, Valencia, SpainYour MissionYour mission will be to develop and take ownership of the API surface supporting the domain’s applications, enabling the team to deliver efficiently, safely, and sustainably. You will balance the need for rapid delivery with the long‑term health, scalability, and maintainability of the APIs.What You’ll DoDesign and evolve the API architecture; define contracts, versioning, security,



and observabilityBreak down features into technical tasks and actionable workImplement REST and/or gRPC APIs; ensure thorough testing(unit, integration, contract)Lead or contribute to sprint planning and technical refinementMaintain DevOps pipelines, CI/CD, monitoring, and operational readinessCollaborate with Platform, Security, and Enterprise Architecture teamsMentor peers and raise the technical bar across the teamIdentify and mitigate technical risks, dependencies, and debtSupport incident resolution and root cause analysisWhat You BringStrong hands‑on experience as a .NET API developerProven expertise designing, building, and consuming APIs (REST and/or gRPC)Deep knowledge of API tooling: OpenAPI/Swagger, contract testing, API gateways, security best practicesCloud experience with Azure or AWSExperience with DevOps, CI/CD, automated testing, and observabilityStrong collaboration and communication skills; able to work with DPO/EA/security teamsAwareness of security, privacy, and audi

📌 Api Developer –.Net (Madrid)
🏢 Vitrolife Group
📍 Madrid