We are seeking extraordinary talent to help fuel our distributed applications capable of serving over 1 billion mobile devices tracking over 6 billion analytical events/day equating to over 17,000 requests/second and in the end generating over 1.5TB/day of data.Leanplum’s frontend (UI) engineering team develops customer dashboard for message creation, data analysis and visualization apps on top of our platform. You will work with engineers, product managers, and designers to solve challenging UI/UX problems related to creating campaigns, visualizing massive datasets, and providing realtime feedback and guidance to the user. You will work almost exclusively on a new codebase using a modern tech stack. You can develop ambitious and novel solutions to hard problems, and your attention to detail motivates you to do the unglamorous work that leads to a stable, refined product. You are smart, friendly, and you enjoy working with others to pursue a common goal.