built an 800K LOC Uber competitor in 7 months. Claude wrote the code. Codex reviewed it. I was the entire engineering team.
7 months ago, I decided to build a ridesharing platform to compete with Uber and Bolt in Romania. There was one small problem. I didn't have an engineering team. So I built one. Sort of. Claude Code became my primary development engine. OpenAI Codex became my code reviewer. And I became the archite…
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- 2026-10-10 11:44 · r/ChatGPTCoding
built an 800K LOC Uber competitor in 7 months. Claude wrote the code. Codex reviewed it. I was the entire engineering team.