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Consumer Fintech · AI2025
BillReward — Scan Bills, Earn Cashback
A mobile-first cashback platform where users upload purchase bills and an AI OCR pipeline (FastAPI + Google Vision + GPT-4o) extracts and verifies them for rewards.
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Role
Full-Stack & AI Engineer
Timeline
2025
Year
2025
Category
Consumer Fintech · AI
AI
OCR extraction
iOS/Android
+ admin console
Overview
A cashback app where users upload bills that flow through an AI extraction pipeline — pypdf and OpenCV + Google Vision for text, GPT-4o for parsing — with a Node.js backend and a Next.js admin console for review, payouts, and analytics.
Highlights
- ◆AI OCR pipeline combining Google Vision and GPT-4o for reliable bill extraction.
- ◆Expo app with OTA updates plus a Next.js admin console for review and payouts.
- ◆Typed Node.js backend with the Result pattern, Zod validation, and cursor pagination.
ExpoFastAPINode.jsAI / OCR