Co-founder of Blacksmith, a developer infrastructure company based in San Francisco.
Aayush Shah is Co-founder of Blacksmith, a developer infrastructure company based in San Francisco, founded in 2024. Blacksmith's most recent disclosed round was a Series B of $45M in Aug 2026.
Blacksmith operates a cloud built specifically for continuous integration, running GitHub Actions workloads on dedicated compute with caching and storage optimised for CI. It also develops codesmith, a cloud coding agent that diagnoses and fixes failed code checks inside the validation loop. Customers include Supabase, Clerk, Ashby and Mercury.
Founded by Aditya Jayaprakash, Aayush Shah and Aditya Maru, and joins Y Combinator's Winter 2024 batch.
Series B round completed, five months before it was publicly announced.
Says more than 6,000 companies use the platform, up from around 800 at its Series A, with CI jobs growing 5% to 10% week on week since the start of 2026.
Aayush Shah is a Co-founder of Blacksmith, a developer infrastructure company based in San Francisco, founded in 2024.
Blacksmith's founders and leadership on record at StartupFox are Aditya Jayaprakash, Aayush Shah and Aditya Maru.
Blacksmith has raised $58.5M across 3 disclosed rounds on record. The latest was a Series B of $45M in Aug 2026, with Peak XV Partners, Y Combinator, GV.
Blacksmith is headquartered in San Francisco, United States.
StartupFox has published 1 story naming Aayush Shah; the most recent is “Blacksmith Raises $45 Million Series B Led by Peak XV at a $550 Million Valuation”.
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