jayheo

Full Stack Engineer

Hello,
My name is Jay Heo, I'm a detail-oriented Full-Stack Engineer with a strong passion for building robust, scalable, and innovative web applications. With a specialty in React, Next.js, Node.js, Express, and TypeScript, I enjoy tackling complex development challenges and pushing the boundaries of what's possible with modern technology.


Experience: 3 years

Yearly salary: $90,000

Hourly rate: $65

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States


Experience

Frontend Engineer
Preps AI
2023 - 2024
• Developed a sleek, single-page web application for our landing page using Next.js, leveraging its lightweight architecture for fast load times and seamless navigation. Optimized for search engines to maximize visibility, ensuring that our site reaches and engages our target audience effectively. • Built dynamic routes to support a wide range of algorithm practice topics, enabling users to easily access and practice questions tailored to their desired topics. • Implemented real-time conversational interactions with an AI agent using WebSocket, creating an experience that closely mimics real-life interview settings.
Software Engineer
Mustadd
2022 - 2023
• Played an active role in system design discussions and brainstorming sessions to architect scalable and reliable solutions. • Implemented a splash screen that displays until the app is fully loaded, ensuring a seamless and polished user experience. • Developed a feature that generates unique QR codes for each wallet address, enabling easy wallet interactions through QR scanning. • Leveraged CoinGecko’s free API to deliver accurate, up-to-date asset data, allowing users to track their holdings with ease.

Skills

ai
api
aws
ci-cd
docker
firebase
git
graphql
javascript
nextjs
node
nosql
postgres
python
react
react-native
tailwind
typescript
front-end
english
korean