Kexin Cha
Ask me to detangle a
g
o
d
mess.
I’m good at it.
mess. I’m good at it.
Experience
Design partner
Independent, 2025 — now
Founder
applyjobs.club, 2026 — now
Sr. product designer
Stanford Medicine, 2020 — 2026
Product designer building data-heavy, AI-native products from zero to one.
award-winning
Nature
I’ve led and shipped design work, and my research has been published in .
Book a call
Email me
Links
Resume
LinkedIn
X
Substack
Tools
Lovable
Build software products, using only a chat interface.
01
Stanford Data Ocean — Teaching data science to 5,000+ beginners
Read case study
Founding product designer
2022 — 2026
Zero-to-one product design, instructional design, AI
51% graduation vs. typical 5–15%
02
applyjobs.club — An AI agent you can see, check and steer
2026 — now
Zero-to-one product design & engineering, AI agents
3% → 37% interview conversion rate
Try applyjobs.club ↗
03
My Personal Health Dashboard — Wearable data for a COVID-detection research study
Sole designer
2020 — 2023
Zero-to-one product design
4× usable wearable data vs. before redesign
04
Zettel — A Zettelkasten note-taking coach in your pocket
2026
TestFlight next. Case study on prototype WIP.
Want to try the TestFlight beta?
Request invite
Enable JavaScript to submit this form.
I’m a tired designer, not a cynical one.
Substack · Sep 2026
↗
Seeing the trains move: a talk with the solo builder of AP Transit
Substack · Jul 2026
The AI wearable concept Google I/O made me want to build
Substack · Jun 2026
Who stays. Who leaves.
You shipped the work, and you're onto the next thing already?
Substack · Apr 2026
More on Substack ↗
Hand-drawn explainer art and journal covers for Stanford Medicine, Cell Press and Chai & AI. 32 pieces, 2020–2024.
Work
Writing