Available for opportunities

I'm Kai-Chin
Huang

Software Engineer II @ Amazon

Full-stack engineer building cross-marketplace seller tools at Amazon. I ship scalable systems, optimize CI/CD pipelines, and champion GenAI adoption for developer productivity.

View Projects →
🚴 Cycling 💪 Working Out 💻 Vibe Coding
const x = 42;
{...data}
async/await
=> {}
app.ts utils.ts TypeScript UTF-8
// experience

Career Journey

My professional path in software engineering

2022 — Present

Software Engineer II

Amazon

  • Led cross-marketplace listing feature enabling sellers to list products across 20+ global marketplaces from a single interface
  • Reduced integration test runtime by 42% through Cypress cross-test session caching optimization
  • Established auto-scaling infrastructure using AWS Scaling Planner, reducing EC2 compute costs by ~25%
  • Championed GenAI adoption for developer productivity, driving team adoption of AI coding assistants (Kiro, Cline)
  • Implemented Mock Service Worker local dev infrastructure, reclaiming ~10% of engineering time blocked by unstable APIs
2021

Software Engineer

Yardi

  • Integrated Airbnb API to list client properties for short-term leasing
// education

Academic Background

My academic journey in computer science

12/2025

M.S. Information Studies

Trine University

09/2021

B.E. Computer Science

Cal Poly San Luis Obispo

06/2019

A.S. Computer Science

Santa Monica College

// projects

Featured Projects

Some things I've built and shipped

📊

Habit Reports

iOS & Android App

Cross-platform habit tracking app with interactive heatmaps, streaks, and progress analytics. Built with a local-first data architecture for offline access and privacy. Automated signed builds with Expo EAS for App Store & Google Play.

React NativeExpoTypeScript
🎲

Random Emoji Commit

npm Package

Developer utility that automatically appends random emojis to Git commit messages, improving commit readability and team morale.

📦 500+ downloads on npm
TypeScriptnpmCLI
🗂️

Minimalist Tab Closer

Chrome Extension

Lightweight Chrome extension that closes all tabs except the active one via a keyboard shortcut. Zero configuration required.

🌐 100+ active users on Chrome Web Store
TypeScriptChrome APIExtension
🍞

Bakery Voice Recognition System

San Luis Obispo, CA · 2021

Built a voice recognition system for bakery workflows using Python and Google Voice Kit on Raspberry Pi, enabling hands-free dictation for common baking queries to support local businesses.

PythonGoogle APIRaspberry Pi
🛠️

Search and Rescue Website

San Luis Obispo, CA · 2021

Built a web app that converts physical rescue team forms into electronic workflows, giving rescuers faster access to search tools. Led a team of four to plan architecture, set code direction, and track delivery across the full application.

BootstrapjQueryNode.jsExpressFirebaseHeroku
// tech stack

Skills

Technologies I work with daily

Languages
📘
TypeScript
☕
Java
🐍
Python
🗄️
SQL
Frontend
⚛️
React
🔄
Redux
🧪
Cypress
🎭
MSW
🌐
HTML/CSS
Backend & Cloud
☁️
AWS CDK
📊
CloudWatch
⚡
Lambda
🔗
REST APIs
🧩
Microservices
Tools
🌿
Git
🚀
CI/CD
📋
Agile/Scrum
🃏
Jest
✅
JUnit