Pieter Ouwerkerk

Full-stack engineer and founder. Now working on Happenstance. Pieter co-founded RunKit (Stripe's first acquisition) and other ventures and frequently contributes to open source. After RunKit's acquisition he worked with Stripe's developer experience team to integrate RunKit into Stripe's developer documentation making it easy for developers to try the Stripe API from Stripe's site. More recently, as a co-founder at Anodize, Pieter created the AI infrastructure and led a team focused on building performant on-device inference and retrieval system. ycombinator+2

Experienced software engineer with platform and systems experience: Pieter worked at Stripe as a software engineer (2016–2020) and at Microsoft earlier (2012–2015), and he has a long history of open‑source contributions (GitHub account 'pouwerkerk' with many repos and contributions). github+2

Community and standards engagement: Pieter has participated in JavaScript language community work (TC39 agendas commits and is listed in Ecma/TC39 materials) indicating engagement beyond shipping product features — contributing to language/ecosystem governance and documentation. github+1