12-Year-Old Solo Dev Discovers Senior Engineer Secretly Stress-Testing His AI App

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Harun, a 12-year-old developer from Anthiyur, Tamil Nadu, is building an AI coding mentor called KODA using only an Android phone. While reviewing his Supabase database logs, he discovered that a senior software engineer from Atlanta had conducted a structured, six-point quality assurance test on the app — and KODA passed every check. The tests covered UI, code generation, persona consistency, edge-case handling, capability honesty, and deep technical knowledge. Harun also used the log review to perform data hygiene, deleting three fake or ghost accounts and re-enabling email confirmation to keep his user base clean. He noted that real user queries in the chat logs are effectively shaping his product roadmap, removing the need to guess which features to build next.

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