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 the perfect custom chat feature in hours instead of months. 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 …

Shield AI is an artificial intelligence robotics company building products for the national security sector and first responders. We are searching for people ready to rise to the occasion and join us in developing state-of-the-art technology alongsi…

Stream provides APIs for building activity feeds and chat. We've just raised a $15 million Series A round and are one of the fastest growing startups in Europe. As a developer at Stream, you will build software that’s used by tens of thousands of de…

Co-Star is bringing astrology into the 21st century with a social, personalized experience that helps people reflect and connect in real, meaningful ways. We recently raised $5m from the people behind companies like Glossier, Rent the Runway, eBay, …

TalkJS lets developers build the perfect custom chat feature in hours instead of months. We're product driven and we power communication inside online marketplaces, community sites, trading platforms and so on. We care tremendously about quality: We…