I Built a Full-Stack F1 Fantasy Platform in 4 Weeks — Solo, With AI Agents

I Built a Full-Stack F1 Fantasy Platform in 4 Weeks — Solo, With AI Agents

This post was originally published on binaryroute.com. In late December 2025, during a short holiday break, I opened my laptop with a simple idea — build the F1 fantasy league platform I’d always wanted as a fan. Four weeks later, Formula1.Plus is live. 70+ database tables. 30+ API modules. Race predictions, live leaderboards, private leagues, telemetry dashboards, news aggregation, community features, and a full admin panel. Built and shipped by one developer. This post is a technical walkthrough of how I pulled it off — the framework I built first, the stack I chose, the AI workflow that made it possible, and what I’d do differently. The Problem With Building Solo If you’ve tried building a full-stack product alone, you know the pain. You’re the architect, the frontend dev, the backend dev, the DBA, the DevOps person, and the QA — all at once. Every context switch costs you. You spend more time on plumbing than on the product. Projects stall, scope shrinks, or you burn out halfway through. A project with this scope — predictions engine, scoring system, leaderboards, leagues, news aggregation with semantic search, telemetry dashboards, background job processing, passkey auth — would have been a 6-month grind. Probably abandoned by month 3. Two things changed the math: a framework I built to eliminate boilerplate and AI agents as pair programmers. Step 1: Build the Framework First Before writing a single line of F1 code, I built ProjectX — an opinionated full-stack TypeScript framework with a CLI. The…

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