Cardiogram’s mission is to shift healthcare from reactive to preventive, starting with the most ubiquitous health sensor available today—optical heart rate. Every modern wearable, from the latest Apple Watch to a $29 Xiaomi, ships with a heart rate sensor.


There's a surprising amount of signal locked within the humble heart rate sensor

Your heart rate changes from minute to minute, and it reflects everything that happens in your life—from daily activities like sleep, stress, and exercise, to serious medical conditions like sleep apnea, hypertension, diabetes, and atrial fibrillation which affect more than a billion people globally.


To unlock that signal, we need your help

We’re building an interdisciplinary team with expertise in design, engineering, medicine, and healthcare commercialization. Frontend engineers at Cardiogram build the core of our company—the Cardiogram app, with more than a million users across iPhone and Android.


What you'll do

Most of our app is written in ReactJS and HTML/CSS (with a backend built on NodeJS, ScyllaDB, BigQuery, and Postgres), but this is also an opportunity to branch out into native code (Swift for iOS, Java for Android).


What would make you a strong fit

  • 2+ years of professional software engineering experience.
  • Fluent in Javascript, HTML5, and CSS3.
  • Familiar with several of the following: ReactJS, Redux, react-router, NodeJS, PostgreSQL (or other SQL databases).
  • A sense of design.
  • Curiosity, interdisciplinary thinking.



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