Backend Engineer (Built solo for a startup client)·Startup Client (Built Solo)
Ductape Multi-Provider Commerce
- ›Modular monolith commerce backend exposing REST APIs and Model Context Protocol (MCP) tools for AI agents.
- ›Atomic conditional SQL inventory engine guaranteeing zero overselling under high concurrency.
- ›Multi-provider checkout saga integrating Paystack, Flutterwave, Stripe, and Mock with SHA-256 idempotency.
TypeScriptNode.jsPostgreSQLModel Context Protocol (MCP)Vitestpg-mem



