Cogram (YC W22) builds AI agents for architects and engineers to automate project management and streamline CAD/BIM workflows. Hiring across GTM and engineering for multiple roles including Growth/GTM engineers and early-stage marketers, Account Exe…

I'm Russ, one of the founders of 9 Mothers. We're making AI weapon systems out of Austin, TX. Our first product is for stopping group 1 suicide drones. We started in 2025 - still a small team under 20 people. We're hiring for a lot of roles, but mos…

We build environments that frontier AI labs use to train their models to do real-world software engineering. Team of ~25. We have more demand than we can keep up with, so we're hiring fast. Backed by Nat Friedman, Daniel Gross, and Patrick Collison.

Skydio is the leading U.S. drone company and world leader in autonomous flight. Our drones are used for inspecting the energy grid, de-escalating life and death scenarios in public safety, inspecting bridges, providing battlefield situational awaren…

Mechanize builds RL environments that frontier AI labs use to train their models on real-world software engineering. Team of ~20. High demand and hiring quickly. Backed by Nat Friedman, Daniel Gross, and Patrick Collison. Applying takes <2 min: http…

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, the company is building a vehicle-agnostic c…