01
VieSpeak
iOS, Android
Flutter app, NestJS backend, voice AI
Speaking practice for Vietnamese learners of English, with an AI tutor you talk to out loud.
Open to new roles
Tai
Nguyen
Senior Software Engineer
Builds AI products
I build AI products end to end, across web, mobile and backend, from voice tutors to LLM-powered apps. Based in Ho Chi Minh City, open to remote, hybrid or on-site roles.
Side projects
Selected Work
02
NihaoMando
iOS, Android
Flutter app and speech scoring
Mandarin Chinese for Vietnamese learners, with HSK lessons and an AI tutor. Built in a small team.
03
Foxy Junior
iOS, Android
Flutter app and NestJS backend
An English adventure for kids aged 6 to 10, where speaking out loud is how you play.
04
Moment Capture
iOS, Android
Flutter app and Go backend
A little box for everyday photos. Pictures pile up and tumble with real physics, and boxes can be shared with friends.
05
TapDrop
Web
Full-stack web app
A tap-to-win web game where players collect vouchers from partner brands.
What I do
Services
- Real-time speech-to-speech pipelines01
- Pronunciation scoring02
- LLM features with provider fallback03
- Adaptive placement tests04
- AI-assisted engineering workflows05
- Next.js and React apps01
- Design systems and component libraries02
- Performance tuning03
- Accessibility04
- Testing with Playwright and Vitest05
- Node.js with NestJS or Express, and Go01
- PostgreSQL, Supabase, Prisma and Drizzle02
- Auth, payments and subscriptions03
- Real-time with WebSocket and SSE04
- Monitoring with Sentry and PostHog05
- Flutter and React Native (Expo)01
- In-app purchases with RevenueCat02
- Analytics and install attribution03
- Over-the-air updates04
- Release pipelines with fastlane05