E-commerce · Digital Marketplace
FlashSlide
Client projectFullstack Engineer08/2025 — Present
Presentation-template marketplace and design-agency site — browse, buy and download PowerPoint/Keynote decks.
What I delivered
- Atomic webhook-driven payment confirmation over VietQR + SePay
- Presigned MinIO downloads, so files never pass through the API
- Built fullstack across three repos: NestJS + Hasura, Next.js 15 storefront, Ant Design admin
Stack
- Next.js 15
- NestJS
- Hasura
- SePay
- MinIO
- PostgreSQL