Work

Three products I have built or helped build since 2024.

NowCheckin
Lead engineer, development and operations
In production
A platform for finding places, checking in on site and reading community reviews. I am the lead engineer for its development and operations, from the website and backend to the CMS and mobile app.
- Next.js
- NestJS
- Redis
- BullMQ
- Elasticsearch
- WebSocket
- uWebSocket
- React + Vite
- React Native
- iPOS API
- Zalo API
- Google Maps
Cozrum
Team contribution
06/2025 to 08/2026
Serviced apartment booking in Vietnam. As one member of a larger team, I contributed to the public website, the Condotel management system and the 3D panorama core.
- Three.js
- WebGL
- Vue.js
- Next.js
- TailwindCSS
- Node.js
- MongoDB
KroXpaF
Startup team of 4
12/2024 to 04/2025
A social website for a remote startup in the USA. In a team of four, I built full-stack features and ran the deployments.
- Node.js
- Express
- React + Vite
- Redux Toolkit
- RTK Query
- MongoDB
- Socket.IO
- Redis
- AWS S3
- Vercel
- Render