Chinedu Okere is a systems engineer, and technical educator based in Nigeria. Known in the tech community as "The Rust Guy," he builds production systems in Rust and writes about the hard problems most developers avoid. He is building SmartFarmAI an AI-powered poultry farm management platform built entirely on Rust/Actix-web and PostgreSQL with Row-Level Security for multi-tenant isolation. The platform serves farms across Nigeria and Tanzania, tracking millions of eggs, managing vaccination schedules, and powering real-time analytics for operations ranging from small-scale farms to 60,000-bird enterprises. With 7+ years of software engineering experience across three countries, Chinedu has built everything from CBN-approved fintech platforms to enterprise CRM replacements deployed across the UAE, Nigeria, and Kenya. He publishes technical content reaching over 20 million annual engagements. This blog is where he breaks down real architecture decisions multi-tenant RLS, the outbox pattern, event-driven systems, type-safe domain modeling all drawn from production Rust code, not toy examples. Stack Rust · Actix-web · PostgreSQL · Next.js · LangChain · LangGraph · TypeScript · Docker · Hetzner/Coolify · AWS