Founding Senior Engineer (Backend) at Vapi (W21)$100K - $220K • 0.20% - 0.70% Voice AI for developers.
San Francisco, CA, US
Full-time
3+ years
Apply now About VapiVoice AI for developers
About the roleSkills: JavaScript, Kubernetes, Node.js, Rust, TypeScriptCompany OverviewApple Intelligence and Google Gemini are about to onboard 4 billion people to voice assistants that actually talk like people. This marks a new beginning for voice as the world's default interface. We will all want voice everywhere. Businesses are not ready. Products are not ready.
We're building the infrastructure that helps developers close the gap between the raw model and voice AI in production. Give it a try here. We launched in March, scaled revenue, and raised this past week. We're a small team of 6 and growing. We're building out the founding team in-person in SF to scale what's working.
MissionThe Senior Engineer (Backend) will own features end-to-end from customer requests to their deployment, building on a modular API-first architecture, working within real-time low-latency constraints. You'll also be a foundational part of how we build the culture at Vapi.
OutcomesOwn and deliver entire features + projectsShip a pre-scoped feature within the first 7 daysShip a feature independently within the first 30 daysShip optimizations and refactorsShip a pre-scoped optimization or refactor within the first 14 daysEx. improve the latency of a component of the speech-to-speech pipelineShip an optimization independently within the first 30 daysEx. refactor a tool-calling mechanism to make it more deterministicTalk to customersReceive a request from Support team and ship the fix within the first 14 daysPick up customer threads unprompted, investigate and solve within the first 14 daysBuild things that delight customersUnprompted, delight a customer within the first 30 days (ex. call analytics endpoint)CompetenciesExperience with Typescript + Node or similar backend frameworkCommunication: You can clearly articulate what you're thinking and feelingCracked-ness: You're more cracked than the most cracked person on the teamStartup Ready: You have a reason to be here and can make sacrifices for something uncertainFounder Juice: New ideas come from you, you build it yourself or annoy everyone until it's done ;)QualificationsPrevious Founding/Senior/Staff/Principal Engineer1+ years of experience at company 5+ years experience in Full-Stack / Backend Software Engineering Apply now
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