misc: We're hiring (#3312)

README.md

@@ -5,6 +5,8 @@
   <br />
 </p>
 
+_Bad software is everywhere, and we're tired of it. Sentry is on a mission to help developers write better software faster, so we can get back to enjoying technology. If you want to join us [<kbd>**Check out our open positions**</kbd>](https://sentry.io/careers/)_
+
 ![Build & Test](https://github.com/getsentry/sentry-javascript/workflows/Build%20&%20Test/badge.svg)
 [![codecov](https://codecov.io/gh/getsentry/sentry-javascript/branch/master/graph/badge.svg)](https://codecov.io/gh/getsentry/sentry-javascript)
 [![npm version](https://img.shields.io/npm/v/@sentry/core.svg)](https://www.npmjs.com/package/@sentry/core)