We help people navigate their cities, getting them from A to B across all forms of transport - from trains to buses to cycles to electric scooters to walking and more in 70 cities. Join us and work on an app that is a daily use-case for you, your fr…

Signal is making private communication simple. As an Open Source project supported by grants and donations, Signal can put users first. There are no ads, no affiliate marketers, no creepy tracking. Just open technology for a fast, simple, and secure…

TalkJS lets developers build a perfect chat feature in just a few hours. We power communication in online marketplaces, community sites, trading platforms and so on. We're product driven and we care tremendously about quality: We're out to build the…

My team is currently looking to hire two full-time developers. For the first position, we are looking for someone who is proficient in Scala to work on a B2B non-profit giving API. All candidates must have solid communication skills with a willingne…

Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves…

Hi HN - I am Marius, Head of Backend Engineering at Citymapper. We build an app for public and private transport that is live in over 60 cities around the world. Join us and work on an app that is a daily use-case for you, your friends and millions …