SYS–11Case studyCo-founder◇Deployed prototype
Tatzy
An online taxi-booking site, co-founded and deployed: a web + API monorepo in Next.js, bilingual, still at prototype stage.
Type
Cofounded product · prototype
Domain
Booking · transport
Status
Deployed prototype
Period
2025 · 2026
Role
Co-founder · development
Team
Co-founded with Aimen Djebbar
Platforms
Web (bilingual FR/EN)
Next.js 14 (App Router)TypeScriptTailwind CSSPrisma · PostgreSQLnext-intl (FR/EN)ZodVercel
01 Summary
Tatzy is a taxi-booking site co-founded with Aimen Djebbar. The prototype — landing page, booking flow and API foundations — is deployed on Vercel. Honestly: it's a prototype, with no real customer traffic yet.
02 Tech sheet
A web + API monorepo in Next.js 14 (App Router), on Prisma/PostgreSQL, bilingual and Zod-validated.
- Monorepo: web app + API foundations
- Landing page + booking flow
- Prisma / PostgreSQL for persistence
- Bilingual FR/EN (next-intl) · Zod validation
- Deployed on Vercel
03 Limits
- Still at prototype stage: no real customer traffic.
- API foundations in place, but the product isn't in operation.