.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.

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.

Benefits

400,000 - 600,000