K'Fet ENSAE

Period: 2026
Role: Sole developer
Stack: Next.js
Supabase
PL/pgSQL
Keycloak
Live: kfet.tuxae.fr

Cashless till and back office for the K'Fet, ENSAE's student bar.

Sales and top-ups run as atomic PL/pgSQL transactions, with locks.
13 separate permissions; sign-in with an ENSAE account.
Treasury and sales statistics for the committee.
Each student sees their balance, their history and the menu.

K'Fet ENSAE, Sign-in, desktop — Sign-in

K'Fet ENSAE, Sign-in, phone — Sign-in

K'Fet ENSAE, About, desktop — About

K'Fet ENSAE, About, phone — About

The rest of the app requires an ENSAE account.