Design, build, and maintain high-quality .NET 8+ API services to support audit and inspection workflows.
Translate business requirements for field operations into clear technical solutions and backend delivery plans.
Implement and evolve API endpoints using vertical-slice architecture and Minimal API patterns.
Deliver secure authentication and authorisation controls using JWT bearer authentication and OpenFGA-based access patterns.
Build and optimise integrations with PostgreSQL, blob storage, and supporting platform services.
Enforce validation, error handling, paging, versioning, and observability standards across all backend features.
Collaborate with product, QA, architecture, and operations teams to deliver reliable production outcomes.
Contribute to CI/CD quality gates, static analysis, and warning-free builds with strong code review practices.
Mentor engineers and provide technical leadership on backend implementation quality, testing, and maintainability.
Support incident triage, root-cause analysis, and continuous improvement of API performance and reliability.

Strong commercial experience with C# 12 and .NET 8-10 (ASP.NET Core Minimal APIs) in production environments.
Proven expertise designing and delivering RESTful APIs, including versioning, validation, paging, and structured error handling.
Hands-on experience with PostgreSQL and Entity Framework Core (including migrations, configuration, and performance tuning).
Experience implementing secure authentication and authorisation patterns (JWT bearer, role/permission models, ReBAC/OpenFGA concepts).
Solid understanding of cloud-native backend patterns, including Azure services and blob/object storage integration.
Practical experience with observability and operational telemetry (OpenTelemetry, tracing, metrics, and health checks).
Strong testing capability across unit and integration layers using xUnit, FluentAssertions, Moq, Testcontainers, and API test harnesses.
Familiarity with CI/CD pipelines and quality tooling (static analysis, warning-as-error builds, code quality gates).
Comfortable working with containerised local/dev workflows (Docker, docker-compose).
Experience with event driven architecture would be advantageous

Senior Developer

Key skills