Demo

Staff Backend Engineer

Vapi
San Francisco, CA Full Time
POSTED ON 1/28/2026
AVAILABLE BEFORE 6/3/2026
Vapi (/ˈwɑːpi/)

  • We’re creating the shift to voice as humanity’s default interface.
  • We’re the most configurable platform for deploying voice agents.
  • We’re grown to 400,000 developers in 20 months, adding 2,000 every day.
  • Try talking to Vapi now!

Why We’re Hiring This Role

  • We get a feature request every 30 min.
  • We’re hiring a cracked backend engineer to ship a ton more stuff.

What You’ll Do

  • 30 Day: You’ll ramp on our voice agent pipeline. It’s hard and fun.
  • 60 Day: You’ll own end-to-end large projects like WhatsApp voice agents or auto RL loop.
  • 90 Day: You’ll talk to customers and design APIs that last a century and delight them.

Who You Are

  • You’ve seen Series B to F.
  • You’ve built beautiful products that we admire.
  • Bonus: You’ve built your own startup.

Why Vapi

  • Generational impact: Build human interface for every business.
  • Ownership culture: 90% of company is 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 competitive salary and excellent equity ownership.
  • Comprehensive health coverage: medical, dental, and vision plans.
  • Team love: We love hanging out and do quarterly offsites.
  • Flexible time off: take what you need.
  • More: catered meals and transportation, gym & coaching stipends!

Salary.com Estimation for Staff Backend Engineer in San Francisco, CA
$145,299 to $174,661
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Staff Backend Engineer?

Sign up to receive alerts about other jobs on the Staff Backend Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$146,673 - $180,130
Income Estimation: 
$176,149 - $220,529
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Vapi


Not the job you're looking for? Here are some other Staff Backend Engineer jobs in the San Francisco, CA area that may be a better fit.

AI Assistant is available now!

Feel free to start your new journey!