Save the date: WASM I/O 2026 is officially locked in for March 19–20, 2026. Don’t miss it.

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Kræn Hansen
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Kræn HansenMongoDB

Kræn Hansen

MongoDB

Kræn is a Senior Software Engineer at MongoDB, building developer tools, such as Compass and the mongosh CLI. Previously contributing primarily to Atlas Device SDKs (formerly Realm) and its related packages (combined ~60K weekly downloads on NPM). He holds a masters degree in Computer Science from the Technical University of Denmark and has built and maintained multiple TypeScript libraries and React apps. Kræn lives 30 minutes west of Copenhagen 🇩🇰, with his wife, their 6-yo twin girls 👧👧 and 2-yo toddler 👶.

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    Auditori L'illa

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    Mar • 27- 28 • 2025

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