About

Hi, I'm Jieran He — you can call me Klein

Sophomore at Xi'an Jiaotong-Liverpool University, currently on a gap year in Hangzhou to build my startup. I recently closed my first round of funding, and our team is iterating fast. Previously I worked in Silicon Valley as a full-stack and growth engineer, shipped indie projects, and built a few-hundred-member campus club from scratch. At 19, I earned my first 100k.

I care deeply about AI, hardware, and product design—and about creating products that feel aesthetic, warm, and alive.

What I'm doing now

Founder, leading product and growth in Hangzhou

Building a small team and moving quickly post-funding

Previously

Full-stack & growth engineer in Silicon Valley

Indie developer and student organizer; founded a fraternity-style community

Interests

Reading, gaming, and American TV series

Music: R&B, city pop, and rock

Recently getting obsessed with cooking

Why I build

Use technology and design to create products with taste, warmth, and real vitality.

Would love to meet in person—especially if you're in Hangzhou.