Zulip

At Zulip, we’re out to build the world’s best collaboration platform, and we’re committed to keeping it 100% open source. Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Our product serves as the communication hub for businesses, open-source projects, educators and communities around the world. We’re looking for a senior mobile engineer to join our small core team and help define the future of team chat. In this role, you will design new features and subsystems, write design proposals for discussion, and build them in JavaScript using React Native. We also have an opening for a Senior Frontend Engineer. For full details on both of these positions, check out https://zulip.com/jobs/. Apply at jobs@zulip.com.