DineSwift, Multi-Tenant Restaurant Platform

✅ Requirements & Features

• Customer app: browse menus, place orders, track delivery, loyalty
• Restaurant partner portal: menu editor, hours, payouts, analytics
• Lobby/concierge app: table reservations and waitlist management
• Kitchen display: real-time order stream with prep timers
• Platform admin: multi-restaurant KPIs, dispute resolution, payouts
• Transaction-safe order state machine with atomic reservations
• Per-restaurant access guards enforced at the API layer

⚡ Challenges I Solved

• Multi-tenant data isolation: prevented cross-restaurant leaks via app-layer row-level security
• Integer-cent money everywhere to avoid floating-point rounding on refunds and splits
• High-volume order tables: monthly partitioning designed before the first row was written
• Five surfaces from one API: enforced explicit access guards per role and per restaurant

🛠️ What I Delivered

Formal schema blueprint, NestJS 10 + Prisma 5 backend, all 5 client surface integrations, deployment on managed Postgres.

🏆 Results

• One API powering 5 distinct client surfaces with zero data-integrity incidents
• Ready for multi-restaurant onboarding without schema rework
• Documented state machine catches order edge cases before production