Develop and take ownership of the API surface supporting the domain’s applications
Design and evolve the API architecture; define contracts, versioning, security, and observability
Break down features into technical tasks and actionable work
Implement REST and/or gRPC APIs; ensure thorough testing (unit, integration, contract)
Lead or contribute to sprint planning and technical refinement
Maintain DevOps pipelines, CI/CD, monitoring, and operational readiness
Collaborate with Platform, Security, and Enterprise Architecture teams
Mentor peers and raise the technical bar across the team
Identify and mitigate technical risks, dependencies, and debt
Support incident resolution and root cause analysis

Strong hands-on experience as a .NET API developer
Proven expertise designing, building, and consuming APIs (REST and/or gRPC)
Deep knowledge of API tooling: OpenAPI/Swagger, contract testing, API gateways, security best practices
Cloud experience with Azure or AWS
Experience with DevOps, CI/CD, automated testing, and observability
Strong collaboration and communication skills; able to work with DPO/EA/security teams
Awareness of security, privacy, and audit considerations in API data

API Developer – .NET

Key skills