Val Karpov

Maintainer of Mongoose, an ODM for Node.js and MongoDB, and a freelance web developer; creator of Mongoose Studio and contributor to tooling around MongoDB and server-side JavaScript.

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Feb 25, 2026 • 57min

Mongoose 9, AI-Powered Database Tools & the Future of Server-Side JavaScript with Val Karpov - JSJ 703

Val Karpov, maintainer of Mongoose and creator of Mongoose Studio, talks about Mongoose 9’s stricter TypeScript types and the shift away from callback middleware. He describes async stack trace improvements, AI-assisted refactors, and an AI-enhanced MongoDB GUI with schema-aware document generation and map features. The conversation also touches on Cassandra integration, Bun vs Deno, and future internals like proxy-based change tracking.

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