Software Engineer in Test, Device Software

Location: Redwood City, CA — hybrid, at least three days per week in the office Employment:Full-time

Quilt's mission is to move homes away from fossil fuel heating. We build heat pumps and software that make efficient electric heating and cooling a better experience for homeowners.

We're looking for a software engineer who can build dependable test infrastructure and contribute to the device software it validates. Your work will help us ship reliable software for products people depend on in their homes.

Your initial focus will be making device-software testing repeatable and useful: building automation in Python, connecting tests to real hardware, and giving engineers clear feedback on their changes. You'll own the testing workflow and work with firmware, systems, cloud, and mobile engineers to choose meaningful coverage, investigate failures, and improve testability. As AI accelerates development, these systems will help the team validate changes quickly and confidently.