Agent Engineer

Voice AI that resolves, not transfers.

Most phone systems trap callers in menus and scripts. Vapi is the platform for deploying voice agents that know your business and can listen, adapt, and resolve in minutes.

• The numbers: 1 billion calls. 1 million developers. 10x enterprise ARR growth

• The customers: Amazon Ring, ServiceTitan, New York Life, Intuit, Kavak, and thousands more, from YC startups to the Fortune 500

• The news: a $50M Series B led by Peak XV Partners, with Bessemer Venture Partners, Kleiner Perkins, M12 (Microsoft's Venture Fund), Y Combinator, and our earlier backers. Total raised: $72M

Why We’re Hiring This Role:

• As Vapi continues to scale, we are working with increasingly complex enterprise customers deploying voice agents across mission-critical workflows. We’re hiring a Agent Engineer to partner with customers and internal teams to design and deploy scalable AI agent architectures. This role sits at the intersection of engineering, product, and customer success and is responsible for translating business requirements into technically sound architectures that drive successful enterprise deployments.

What You’ll Do:

• 30 Day:

  • Ramp on Vapi’s platform architecture, APIs, and agent capabilities

  • Shadow customer deployments and technical discovery calls

  • Learn the technical architecture of current enterprise customer implementations

• 60 Day:

  • Lead technical discovery with customers and design solution architectures

  • Build rapid prototypes using AI-assisted development tools

  • Produce architecture diagrams and technical documentation for customer deployments

• 90 Day:

  • Own end-to-end technical design for enterprise deployments

  • Architect complex integrations using APIs, webhooks, and event-driven systems

  • Partner with engineering and product to identify platform improvements from customer feedback

Who You Are:

• 5+ years in solutions architecture, pre-sales engineering, technical consulting, or similar customer-facing technical roles

• Strong ability to translate business requirements into technically sound solutions and communicate effectively with both engineers and executives

• Experience owning end-to-end customer engagements and delivering complex technical solutions with measurable outcomes

• Comfortable working with enterprise customers ($240K+ ACV) in complex stakeholder environments

• Autonomous and self-directed, able to scope, design, and drive solutions independently

• Technical Strengths:

  • Proficiency in agent design and AI-assisted development, including rapid prototyping using tools such as Claude Code, Cowork, or similar developer tooling

  • Experience designing agentic workflows including tool use, function calling, and multi-step reasoning chains

  • Strong experience architecting API-first integrations using REST APIs, webhooks, and event-driven systems

  • Proficiency in at least one programming language such as Python or JavaScript

  • Experience working with conversational AI, voice or telephony platforms, NLP/NLU systems, or LLM-based applications

• Bonus:

  • Experience with SIP or WebRTC

  • Experience with CPaaS platforms such as Twilio, Vonage, or Genesys

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: YC, KP seed, Bessemer Series A

What We Offer:

• Real stake: We offer a 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