Staff Backend Engineer

Location: San Francisco, United States

Salary: $150000–$300000

Company

Vapi is a startup creating the shift to voice as humanity’s default interface, with a highly configurable platform for deploying voice agents and a rapidly growing developer base.

What you will do

• Ramp up on the voice agent pipeline within 30 days.
• Own end-to-end large projects such as WhatsApp voice agents or auto reinforcement learning loops by 60 days.
• Engage with customers and design APIs that are durable and delightful by 90 days.

Requirements

• Experience with Series B to F stage startups.
• Proven track record of building admired, high-quality products.
• English proficiency: at least B2 level.
• Location: must be based in San Francisco or willing to work onsite.

Nice to have

• Experience building your own startup.

Culture & Benefits

• Competitive salary with excellent equity ownership.
• Comprehensive health coverage including medical, dental, and vision plans.
• Flexible time off policy.
• Quarterly offsites and team social events.
• Catered meals, transportation, gym and coaching stipends.