Infrastructure Jobs - April 2026

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.

Baton (baton.io) is Ryder's in-house product development group focused on harnessing emerging technologies to redefine transportation and logistics. With $10B in freight under management, our technology reaches every part of the U.S. economy. We design and sh…

Fieldguide is a 150-person Series C start-up building vertical AI SaaS for accounting and audit to modernize engagement delivery from planning through close. Role is based in San Francisco, CA with a hybrid work model. Hiring across multiple levels for AI pla…

AI Risk Decisioning platform that helps organizations manage onboarding, fraud, credit, and compliance risks. Hiring for multiple senior/staff roles and an AI Product Manager. Remote roles available in US/Canada/Brazil/Poland/UK; some roles tied to Brazil, No…

Hi HN — I’m Nicole, cofounder of Gambit Robotics (with Eliot Horowitz, cofounder/CTO of MongoDB). We’re hiring a Founding Senior Full-Stack Engineer to join us in our NYC office. Gambit is building an AI kitchen assistant that mounts under a range hood and us…

We use ML to make data warehouses and spark jobs more efficient. We're hiring staff ML engineers to train models that can understand how much compute a job needs, how it scales to larger machines, whether a machine can run more jobs, and so on; and staff infr…