Freelance software development and independent products, by Jean-Baptiste Thery.
jCode (EURL jCode, registered in Paris) is the company through which Jean-Baptiste Thery, a senior full-stack TypeScript developer since 2016, works for clients, fully remote, and builds his own products. jcode.works
- Ragmir: an open-source (AGPL-3.0) TypeScript library, CLI and MCP server that gives coding agents such as Claude Code and Codex cited context from a project's code and documents, local by default. Source · npm
- WorkoutGen: a fitness app on the web, the App Store, Google Play and the Microsoft Store, with 51,000+ members and 9 languages (workoutgen.app, October 2026).
- Honolulu Theme: an open-source colour theme for Visual Studio Code.
Senior development for product teams, web apps from prototype to product, takeover and modernisation of existing applications, AI features and MCP servers, and technical consulting. Clients include Sciences Po, Decathlon, Suzuki France, Oney, Leadbay (Y Combinator F25), Stellia.ai and HelloPrêt. Open to new engagements, fully remote.