I build front ends for products that can't afford to break.
Senior front end engineer, 9+ years in React and TypeScript across fintech, DeFi, and M&A. AI writes most of my code now, so the job that's left is the harder one: deciding what's actually correct, and saying "no, again" until it is.
- 9+ yrs
- shipping production front ends
- Web + mobile
- React & React Native
- Real-time UIs
- performance & design systems
- AI-first
- Claude Code & Cursor
Where I've shipped
Full timeline
Seal Labs
Jun 23 - PresentSenior Front End Engineer
Primary front end on two production DeFi platforms (7K, AshSwap).
LeapXpert
Dec 21 - Apr 23Senior Front End Developer
Compliant client-messaging front end for banks and regulated firms.
Ansarada
Oct 19 - Nov 21Front End Engineer
Front end for an M&A data room used in billion-dollar deals.
Earlier work
Oct 16 - Sep 19Front End / Full Stack Developer
Flynk, Designveloper, and Camos: where I cut my teeth.
Things I've built, not side projects
All projects
LeapXpert Communication Platform
Dec 21 - Feb 23LeapXpert
Compliant client messaging across WhatsApp, WeChat, and Teams for banks.
Tender Evaluation Tool & Multi-Window Submission
Oct 19 - Nov 21Ansarada
Tender evaluation and Q&A workflows on a billion-dollar M&A data room.
Particular Audience
Sep 18 - Jun 19Flynk
A product-recommendation engine and retail-media dashboards for eCommerce.
LuminPDF
Jun 17 - Jan 18Designveloper
Cross-platform PDF collaboration: view, annotate, and share.
Notes from shipping AI-first
All posts
Why I built this site with Astro and Claude Code
A short note on the stack behind tiennguyen.dev and how I ship side projects AI-first.
Read articleGot something where the UI can't afford to break?
I take on a small number of front end and AI-engineering projects. Design systems, complex product UIs, agentic workflows, performance-critical interfaces. Tell me what you're building.