SiFly is hiring a Senior Flight Controller Software Engineer in Santa Clara, CA. Take direct ownership of flight-critical software for our long-endurance UAV platform. We are looking for a high-ownership engineer with deep PX4 and MAVLink expertise to bridge the gap between code and live aircraft. You will develop autonomy behaviors, integrate complex sensors, and validate performance through real-world flight testing. If you thrive in fast-paced environments and have 5+ years of experience in robotics or aerospace, apply now to help shape the future of autonomous flight.