.Net API Platform Engineer

Title: .Net API Platform Engineer

Location: 100% Remote

Duration: Long Term

Experience: 10+ Years

Summary:

API Platform Engineering Team to build, enhance, and support core APIs and tooling in a modern .NET, Kubernetes, and cloud-native environment. You ll own end-to-end development and quality of APIs under domain-driven design, with a practical focus on integration, automation, and a design-first mindset. This is a hands-on engineering role using C#/.NET 8 Minimal APIs focused on building, not just designing.

Required Experience:

• 10 years professional experience in C#/.NET (preferably .NET Core or Minimal APIs)
• Proficient in developing RESTful APIs and writing automated tests (xUnit or similar)
• Hands-on experience with Docker and basic Kubernetes workflows
• Familiarity with API gateway concepts (Kong, Apigee, etc.), including routing and JWT/OAuth2-based auth
• Ability to write and maintain OpenAPI/Swagger specs
• Strong collaboration and communication skills must be comfortable partnering with DevOps and Platform Engineering teams
• Proven adaptability comfortable working through changing priorities, requirements, and technologies

Bonus Experience (not required, but a plus):

• Exposure to Avro/Kafka event streaming
• Experience integrating with developer portals (Backstage or similar)
• Prior experience with cloud providers (AWS/Azure), especially EKS, or with Infoblox/Cloudflare DNS
• Familiarity with CI/CD automation and GitHub Actions
• Knowledge of platform logging frameworks and observability tooling (Dynatrace, Splunk, etc.)

Key Responsibilities:

• Design, develop, and maintain .NET 8 Minimal APIs for platform domains under direction of the lead
• Implement and consume platform-standard libraries for error handling (RFC 7807), logging, and JWT validation
• Integrate with Kong Gateway (internal/external): manage routing and policies for authentication/authorization; test scope-based access
• Define and update OpenAPI specifications, including example-rich specs for Prism/mock testing and catalog integration
• Write robust unit and integration tests for all API endpoints and key flows
• Support API and developer documentation, onboarding guides, and platform best practices (Backstage, Confluence, etc.)
• Partner with Platform Engineering: infrastructure, DNS, K8s, Avro/Kafka
• Partner with DevOps: CI/CD (GitHub Actions), Kubernetes deployments, secrets (Conjur), logging/monitoring (Dynatrace)
• Adapt proactively embracing and driving positive responses to changes in requirements, priorities, and technologies