About the role
At HappyRobot, a startup backed by top investors including a16z and Y Combinator, the team builds infrastructure enabling enterprises to deploy autonomous AI workforces that operate across voice, email, and enterprise systems. Their platform, initially developed for logistics with a proprietary voice stack and orchestration layer, supports critical operations globally and aims to expand into broader enterprise applications. The company values craftsmanship, ownership, and innovation in a fast-paced environment.
The Senior Backend Software Engineer will take full ownership of backend services supporting the core product, focusing on designing, building, and operating scalable, reliable systems. Daily responsibilities include improving system performance and observability, working on real-time voice AI infrastructure, collaborating closely with frontend engineers and product teams, and iterating rapidly based on customer feedback and system behavior. The role requires strong backend experience, preferably with Go, and a product-oriented mindset.
This onsite position in San Francisco demands at least five years of professional experience and a solid understanding of system design, APIs, and service reliability. The company fosters a culture of extreme ownership, craftsmanship, and meritocracy, encouraging engineers to lead initiatives and deliver high-impact results. Employees benefit from comprehensive healthcare coverage, competitive salary, equity, and the opportunity to work with a world-class engineering team on cutting-edge AI technology.