OnSite is the messaging platform replacing WhatsApp for teams in the built environment. We take field chaos and turn it into real-time collaboration — making work better for the people on the ground and the teams managing them. Backed by Tin Men Capital, Alter Global, Hustle Fund and Gondor Capital.

Construction is a $2T industry that has been underserved by software for decades. You'll be working on a mission-driven, user-focused product that solves real problems for real people — on a small, laser-focused team where your work ships fast and matters immediately.

We're looking for an experienced Backend Engineer to own and evolve the core systems powering OnSite. You'll work on a modern serverless architecture to deliver the real-time collaboration tools that keep frontline teams connected.

You're proficient in building backend systems and can w...