Mirrai Careers

Member of Technical Staff, Product

Vapi

San Francisco Remote Full-time$180k–$280k / year Posted 30+ days ago
Market rate. This role pays around the $215k median for similar USD roles (169 comparable postings in our corpus).
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Vapi (/ˈVɑːpi/): * Voice AI that resolves, not transfers * Powering 1 billion calls for companies like Amazon Ring, Intuit, ServiceTitan, and New York Life * Trusted by 1 million developers building the future of voice agents * Backed by Peak XV, Bessemer, Kleiner Perkins, M12, Y Combinator, and more with $72M raised * Try talking to Vapi now! 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. Non-deterministic systems, real-time call observability, eval loops, and a builder UX that has to feel like magic. We're shipping the loops that take an agent from "demo" to "live in production for the Fortune 500."   What You’ll Do:   First 30 Days: * Make real calls. Build real assistants on Vapi across our main provider integrations (LLMs, STT, TTS, telephony). Get a working mental model of the platform end to end. * Ship your first product feature into customer hands.   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.   By 90 Days: * Operate as a full peer to engineers on the team, owning your area without handholding. * Run the agent improvement loop end to end in your domain: authoring, evaluation, deployment, observation, iteration. * Be a core voice in product decisions, with multiple shipped features on your watch.   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. You read the PR, open the product, and start building without waiting on permission. * Customer empathy and a bias for action: you ship, you own outcomes, and you care what users actually experience.   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.   Why Vapi:   * Generational impact: Build the human interface for every business. * Ownership culture: 70% of the company are previous founders. * Kind team: The founders, Jordan and Nikhil, are Canadians. * Tier-1 Investors: Peak XV (Series B), Kleiner Perkins, M12, Bessemer, YC.   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.

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