Real systems shipped to real users across the AI with Sandy ecosystem. Each case study walks through the problem, the architecture, the result, and what we would do differently.
Parents had no idea where the bus was. The school fielded a constant stream of phone calls every morning and afternoon.
OTP-gated parent and driver portals, OSRM routing, and live ETAs on a Node + Postgres backend with a Flutter driver app.
Live ETA for 300 students across every route. The morning call volume to the office dropped to near zero.
Six systems in production or active development across shops, mobility, and voice.
| Project | Stack | Status | Year |
|---|---|---|---|
Card9Multi-tenant shop platform with UPI checkout | Next.js · Supabase | Live | 2025 |
Sneha CollectionsStorefront with a Telegram upload pipeline | Next.js · Telegram | Live | 2025 |
School BusLive tracking for 300 students with OTP auth | Node · Postgres · Flutter | Live | 2024 |
LalaCarCarpooling relaunch with an editorial redesign | React · Vite | In progress | 2026 |
Voice Card9Voice AI with prepaid INR billing | FastAPI · Sarvam | In progress | 2026 |
AnythingWithSandyThe console you are reading: learn, build, ship | Next.js · Tailwind | Live | 2026 |
Tell me what you are trying to build. We will scope the problem, pick a stack, and map the path to something real users can touch.