Member of Technical Staff, Backend

San Francisco, United StatesRemote

Responsibilities

Build real assistants on Vapi across our main provider integrations (LLMs, STT, TTS, telephony).

Voice AI that resolves, not transfers.
By 60 Days: - Own a product area outright within the agent self-improvement loop or the trust and guardrails platform. - Drive a feature from spec to ship with PM and design, including the eval and rollout loops. - Use AI coding agents (Claude Code, Cursor, or similar) as a serious lever on your throughput.
WHO YOU ARE Must-Haves - 5+ years building product, with 2+ at an early-stage company. - Strong full-stack engineer, fluent in TypeScript, React, and a Node-based backend. - Track record shipping beautiful product surfaces that customers love and competitors copy. - Product instinct.
You read a half-formed problem and figure out the right shape before someone hands you a spec. - Daily use of AI coding agents (Claude Code, Cursor, or similar) with opinions about where they help and where they don't. - Self-directed.
Nice-to-Haves - Background in voice AI, conversational AI, LLM applications, or telephony. - Worked on a developer-facing product (APIs, SDKs, dashboards) where the audience is technical. - You've built your own startup, or shipped a side project people actually use. - Open-source contributions or public writing on engineering, design, or product practice.

Total raised: $72M MEMBER OF TECHNICAL STAFF, BACKEND WHY WE’RE HIRING THIS ROLE - 1M+ developers and 2.7M+ agents are built on our product surface. - Every assistant lives in our dashboard: Composer, Simulations, Monitoring, Knowledge Base, Versioning, Deployments.
WHAT WE OFFER - Real stake: Competitive salary and excellent equity ownership. - Comprehensive health coverage: medical, dental, and vision plans. - Team love: We love hanging out, and we do quarterly off-sites. - Flexible time off: take what you need. - More: catered meals, transportation, gym, and a $10k annual L&D budget.