SentiLink prevents synthetic fraud, an emerging fraud vector in which fraudsters open accounts using name/DOB/SSN combinations that don't correspond to real people. Our partners include top ten US banks, fintechs, and alternative lenders. We're back…

The experimentation platform team is a small, nimble group of hybrid data science / data platform / software engineers that are focused on enabling data-driven decision making throughout the company. We run the entire experimentation stack at Stitch…

Segment is building the customer data platform for everyone. We transform data and route to over 200 different integrations, adding new ones every day. We’re processing billions of events daily and maintain the analytics infrastructure for companies…

Help us build open-source software for education. Our main stack is Ruby on Rails + React, but we also work with Go, Clojure, Scala, Node and other technologies. We have plenty of hard engineering problems for you to sink your teeth into, and many o…

We are building the largest invoice registration network of the world. The purpose? Helping EU tax authorities to eliminate 50 billion EUR in annual invoicing fraud. If you’re excited to build and design open-source software which will be used by mi…

At Noom, we use scientifically-proven methods to help users get a handle on chronic medical conditions like obesity, diabetes, and heart disease. We use a variety of technologies, and get to work on hard problems that range from data warehousing to …