.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.

Benefits

400,000 - 600,000

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.