Radar is a geo-location developer platform handling 1B+ API calls per day. HQ in Union Square, NYC and remote-friendly within the US. Main languages are Rust and TypeScript; additional stack includes Python, Scala and Terraform. Projects include Hor…

OneSignal is a push notification & email platform for mobile apps and websites. Our mission is to democratize access to great messaging tools for all publishers. Over the last three years, we’ve grown to deliver 3.6 billion notifications per day for…