AI/ML Engineer

Hi, I'm Hwi Jin Jang

Engineer based in California. I enjoy building thoughtful, simple, effective solutions whether its a web app or AI solution — and occasionally make them fun.

Irvine, CA
Open to full-time roles

About Me

Hwi Jin Jang

I'm an applied ai/ml software engineer with ~3 years of experience building web applications that combine thoughtful design with robust functionality. I enjoy turning complex problems into simple, elegant solutions.

My work spans modern frontend frameworks like React and Next.js, backend technologies including Node.js and Python, and cloud platforms like AWS and Azure. I'm always eager to learn new tools and take on interesting challenges.

Tech I work with

JavaScript
TypeScript
React
Next.js
Node.js
Python
AWS
Azure

Projects

Aethos (Coming soon)

Aethos (Coming soon)

An fitness creator marketplace experience.

Next.js
TypeScript
Vercel
Youtify

Youtify

Making sure you never miss your favorite song on Spotify that you heard from YouTube.

React
Node.js
Ollama
HTML
CSS
Group Alarm

Group Alarm

Are your friends always late to hangouts? Introducing, Group Alarm.

Android
Kotlin
Firebase
PlusOne

PlusOne

Simplifying event creations and RSVP.

React
TypeScript
Next.js
Firebase

Experience

Optum Health AI

  • Built a full-stack, AI-powered enterprise platform for executives to manage and analyze organizational programs.
  • Designed the database schema and backend services for structured data, document storage, and program workflows.
  • Implemented LLM-powered reporting, semantic search, and chatbot-based querying over enterprise data.
  • Developed analytics dashboards and KPI tracking to enable real-time, data-driven decision-making.

Resume

Resume

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Hwi Jin Jang — Resume

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Contact

Let's connect

I'm always open to new opportunities and interesting projects. If you have a question or just want to say hi, feel free to reach out.