<p><span style="font-size: 18pt;"><strong><span style="font-family: verdana, geneva, sans-serif;">Software Engineer in Test, Device Software</span></strong></span></p> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Location: </span><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Redwood City, CA — hybrid, at least three days per week in the office </span><br><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Employment:Full-time</span></p> <p><span style="font-size: 14pt;"><strong><span style="font-family: verdana, geneva, sans-serif;">The role</span></strong></span></p> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">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.</span></p> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">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.</span></p> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">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.</span></p> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">You'll bring practical C++ skills to this work, making changes to device software that improve its reliability and make it easier to test. As automation reduces manual effort, there will be room to take on broader device-software contributions. This is a hands-on role combining software development, infrastructure, and work with physical devices.</span></p> <p><span style="font-size: 14pt;"><strong><span style="font-family: verdana, geneva, sans-serif;">What you'll do</span></strong></span></p> <ul> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Build and maintain automated tests, reusable tools, and infrastructure for connected devices.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Make hardware testing repeatable and integrate it into development and CI workflows.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Design coverage for important customer experiences and failure scenarios, using simulation, integration tests, and real devices where each is most useful.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Investigate failures across software, hardware, and connectivity, working with other engineers to implement fixes and regression tests.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Improve test reliability, reduce manual effort, and turn results into a clear picture of release readiness.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Develop and test C++ changes that improve device-software reliability and testability, with room for broader product contributions as automation matures.</span></li> </ul> <p><strong><span style="font-family: verdana, geneva, sans-serif; font-size: 14pt;">What you bring</span></strong></p> <ul> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Strong software engineering skills and experience building maintainable automation or comparable systems.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Experience writing and debugging Python and C++, with the ability to apply those skills in unfamiliar codebases.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Experience making automated tests and CI workflows reliable and useful to other engineers.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Sound judgment about system-level testing: what to test, how to test it, and how to interpret the results and their limits.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Strong debugging skills in Linux environments, including processes, networking, and logs.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Comfort working with physical devices and investigating problems across hardware and software.</span></li> <li><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">The ability to drive work independently, coordinate with others, and communicate findings clearly.</span></li> </ul> <p><span style="font-family: verdana, geneva, sans-serif; font-size: 12pt;">Relevant experience can come from software engineering, infrastructure, robotics, embedded systems, or test e