Tech Stack: Chalk’s core stack is written using JavaScript, We use Node.js on the backend, and mostly-React on the frontend, but our application requirements drive a substantial amount of custom software architecture

Founded in 2014, Opendoor’s mission is to empower everyone with the freedom to move. We believe the traditional real estate process is broken and our goal is simple: build a seamless, end-to-end customer experience that makes buying and selling a ho…

Course Hero is an online learning platform where students can access over 40 million course-specific study resources contributed by a community of educators and other students. We envision a world where every student graduates, confident and prepare…

In building Chalk we partnered with creators at the top of their fields, worked through their problems, and built something unique and powerful for groups with high coordination costs and strong privacy requirements.

Fieldwire is a construction field management platform building world-class tech to disrupt the $10 trillion construction industry! With 800,000+ projects worldwide, we have partnered with over 2000+ clients in 100+ countries and support 14 languages…

In building Chalk we partnered with creators at the top of their fields, worked through their problems, and built something unique and powerful for groups with high coordination costs and strong privacy requirements.