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Compensation: $180K – $250K. ABOUT HAPPYROBOT HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate through voice and email - they make decisions, take action, and run operations autonomously across entire enterprise systems. Born in Y Combinator (S23) and backed by a16z, Base10, Prysm Capital and Eurazeo with over $150M raised, we power critical operations for global enterprises worldwide. Our platform is battle-tested in the most demanding environments, where AI has real consequences. We started in logistics, built our own voice stack, models, and orchestration layer from the ground up, and are now bringing that infrastructure to every enterprise that runs the real economy. Learn more about our vision in our manifesto. https://www.happyrobot.ai/blog/manifesto About The Role At HappyRobot, Full Stack Engineers own meaningful parts of the product and infrastructure end-to-end. We’re looking for builders who thrive in ambiguity, care deeply about craft, and want real ownership over what they create. WHAT WE’RE LOOKING FOR - Strong generalist — you’re excellent on either the front end or back end, and comfortable working across the stack - Front-end expertise with TypeScript and Next.js, including performance, UX, and clean architecture - Back-end experience with Go, building reliable, scalable systems - Product-minded engineer who understands tradeoffs between speed, quality, and scale. WHAT YOU’LL DO - Build and own entire sections of the product, including major parts of the web application - Design, implement, and ship features end-to-end — from UI to APIs to infrastructure - Help optimize and scale our voice AI infrastructure, improving latency, reliability, and cost - Collaborate closely with founders and teammates to shape product direction - Ship to production frequently and iterate based on real user feedback WHY JOIN US? - Join a world-class team of engineers and builders. - Backed by top investors including a16z, Y Combinator, Base10, Prysm Capital and Eurazeo. - Have ownership and autonomy of projects and are encouraged to ship. - Comprehensive Benefits including healthcare, dental, vision coverage. - Competitive salary + equity in a high-growth startup. Our Operating Principles Extreme Ownership We take full responsibility for our work, outcomes, and team success. No excuses, no blame-shifting — if something needs fixing, we own it and make it better. This means stepping up, even when it’s not “your job.” If a ball is dropped, we pick it up. If a customer is unhappy, we fix it. If a process is broken, we redesign it. We don’t wait for someone else to solve it — we lead with accountability and expect the same from those around us. Craftsmanship Putting care and intention into every task, striving for excellence, and taking deep ownership of the quality and outcome of your work. Craftsmanship means never settling for “just fine.” We sweat the details because details compound. Whether it’s a product feature, an internal doc, or a sales call — we treat it as a reflection of our standards. We aim to deliver jaw-dropping customer experiences by being curious, meticulous, and proud of what we build — even when nobody’s watching. We are “majos” Be friendly & have fun with your coworkers. Always be genuine & honest, but kind. “Majo” is our way of saying: be a good human. Be approachable, helpful, and warm. We’re building something ambitious, and it’s easier (and more fun) when we enjoy the ride together. We give feedback with kindness, challenge each other with respect, and celebrate wins together without ego. Urgency with Focus Create the highest impact in the shortest amount of time. Move fast, but in the right direction. We operate with speed because time is our most limited resource. But speed without focus is chaos. We prioritize ruthlessly, act decisively, and stay aligned. We

Software Engineer - Full-Stack

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