James Carvallyo

Where craft meets nerve —
built end to end.

Senior engineer · 10+ years · frontend depth, full stack when I build

Magnum opus

Founder of Joyput

Not a CRUD app — platform infrastructure for persistent AI. Memory, MCP, and the runtime underneath. Built end to end.

Let's build

Engineering × Design × AI

Production frontend for a decade. Founder projects — platform depth, full ownership, production-grade.

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    Cloister model by Giravolt (CC BY)