Sutthinon Thammasen
Full-Stack Developer
Full-stack developer building web apps. Two years in, mostly with React, Node.js, and PostgreSQL.
Full-stack developer with nearly 2 years of professional experience in designing, building, and maintaining web applications. Skilled in both frontend and backend development, including building responsive user interfaces with modern JavaScript frameworks, developing RESTful APIs, and working with relational databases such as MySQL and PostgreSQL. Comfortable collaborating with cross-functional teams and focused on delivering scalable, maintainable, and high-quality solutions.
AI conversation rehearsal platform with streaming chat, coach observer, scenario builder, and role-gated admin/support tools.
ROLE: Built frontend (Next.js) and backend services (NestJS, JWT auth, Socket.IO, TypeORM).
IMPACT: Delivered an end-to-end practice workflow from scenario creation to feedback history and admin moderation.
A diary app with offline sync, JWT auth, and a tiny sticker economy. ~12k MAU.
ROLE: Mobile + backend feature ownership
IMPACT: Reliable offline-first user experience
An order-routing microservice for a bakery chain. Sub-50ms p95, deployed on Fly.io.
ROLE: API and infra design
IMPACT: Fast and stable order routing service
Git
GitHub
GitHub Actions
Docker
Postman
VS Code
JavaScript
TypeScript
Golang
Dart
Python
React
Next.js
Vite
Tailwind CSSReact Native
Expo
Node.js
Express.js
NestJS
MySQL
PostgreSQL
MongoDB
SupabaseAREAS I'M ACTIVELY PRACTICING OUTSIDE PRODUCTION WORK
GolangDEEP DIVE
KubernetesEXPLORINGNestJSBUILDINGDockerDEEP DIVE
RedisEXPLORINGGot a project in mind, or just want to say hi? I'd love to hear from you.