Viewing profile — johnsonhsieh
johnsonhsieh
HN member- Joined
- Wed, Sep 28, 2011, 9:39 PM UTC
- HN karma
- 3
- Public activity
- 6 items
- HN profile
- View on Hacker News ↗
About johnsonhsieh
No profile information was provided.
Recent public activity
-
comment
Comment #22628760
Cardiogram cofounder here. I had a fever back in January and my sleeping heart rate spiked during those nights. It was interesting to see such a big change, so we decided to build …
- story
- story
-
comment
Comment #18119253
Cardiogram | San Francisco | Design Engineer & Generalist Software Engineer & ML Engineer | FULLTIME, INTERNS, ONSITE, VISA | https://cardiogr.am Cardiogram is a mobile app that tr…
- story
- story