NET Fullstack Developer

Stack focus: C#/.NET 8, ASP.NET Core, EF Core, Web API, SQL Server/Postgres, Redis,Azure (App Service, Key Vault, AKV-managed secrets), REST/JSON; nice-to-have:CQRS/MediatR, DDD, gRPC. High-performance front and backend services for EnerDeFi modules(KYC/KYB/AML, payments, escrow flows).Key Responsibilities Implement RESTful services & data models (.NET 8 + EF Core), unit/integration tests(xUnit). Hardening: authN/authZ (JWT/OAuth2), role-based access, secrets via Key Vault. Performance & reliability: caching, async patterns, health checks, telemetry. Database engineering: schema design, migrations, query optimization. CI hooks (build/test steps), code reviews, documentation.Requirements 4+ yrs professional C#/.NET; proven production APIs. SQL performance tuning; secure coding patterns (OWASP ASVS). Experience integrating KYC/KYB/AML/payment gateways a plus.Deliverables (first 6–8 weeks) API spec + ERD + sequence diagrams. Auth module + user/role model + audit trail. KYC/KYB endpoints (create/verify/status webhooks). Payments/escrow service stubs with integration adapters. 80%+ unit test line coverage on core services; basic load test report.KPIs API latency (p95) ≤ 300 ms (internal endpoints). Error rate < 0.5% over rolling 7 days. Test coverage ≥ 80% for core; 0 critical security findings at release.Requirements4+ yrs professional C#/.NET; proven production APIs.SQL performance tuning; secure coding patterns (OWASP ASVS).Experience integrating KYC/KYB/AML/payment gateways a plus.Benefits400, ,000