Chayut Chunsamphran

Design Engineer • Bangkok, Thailand

chun.chayut@gmail.comchayut.megithub.com/chaychun

Design engineer who thinks deeply about how products should work.

Background in physics with strong analytical foundations. Designs in code, not mockups. Experience with AI-assisted development workflows since early 2025 — from design exploration to code generation to building AI-powered products. Focused on user experience, interaction design, motion, and building interfaces that feel intentionally crafted.

Core Stack

TypeScript, React, Next.js, Astro, SwiftUI, Tailwind CSS, shadcn/ui

Motion & Interaction

Motion (Framer Motion), CSS Animations, WAAPI

AI-Assisted Development

Claude Code, Cursor

Freelance Design & Development

2025 – Present

Designing and building websites for clients — visual design, interaction design, responsive development, and third-party integrations.

BSc Physics, First Class Honors

Mahidol University · 2025

Playground

chayut.me

Interactive Design Explorations

A portfolio site showcasing interactive components and motion studies. Each piece explores a specific interaction concept: motion that guides experience, interactions that feel intuitive, and paradigms for digital interfaces.

Next.js · TypeScript · Motion · Tailwind CSS

Coding Tutor

github.com/chaychun/coding-tutor

AI-Powered Learning Tool

An AI coding tutor built as a desktop app. Expert agent teaches concepts conversationally, then generates structured exercises (code-writing, MCQ) directly in the same flow. It evaluates responses, adapts difficulty, and maintains persistent learning context across sessions. Built on top of Claude Agent SDK.

Tauri · Next.js · TypeScript · Claude Agent SDK · Monaco Editor

Syne

In Progress

Knowledge Management Tool

A knowledge management app built from the ground up. Instead of writing long documents upfront, knowledge accumulates naturally through short captures that link to topics, building a connected, browsable graph over time. Built for Mac and iOS.

SwiftUI · SQLite

Thai Bus Food Tour

thaibusfoodtour.co.th

Client Project — Marketing Website

Designed and built a marketing website matching the brand's premium hospitality. Focused on small interactions and animations that align with the brand aesthetics. Integrated with booking and payment systems.

Astro · Tailwind CSS · CSS Animations