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Role description

Member of Technical Staff, Infrastructure

Vapi logoVapiYC W21
TypeFull-time
SeniorityStaff / Lead
SponsorshipSponsors visas
Salary$150,000–$300,000
LocationSan Francisco, CA
Engineering

Vapi (/ˈVɑːpi/):

  • We’re creating the shift to voice as humanity’s default interface

  • We’re the most configurable platform for deploying voice agents

  • We’ve grown to over 600k developers in two years, adding 2,000+ every day

  • Try talking to Vapi now!

Why We’re Hiring This Role:

  • We do millions of calls every day, with thousands concurrent.

  • In every call, we get a new audio packet every 20ms and respond in <1s.

  • We are now scaling this to 100s of millions of calls.

  • It's freakin hard and a lot of fun.

What You’ll Do:

  • 30 Day : You’ll ramp on our multi-cluster, multi-cloud infrastructure.

  • 60 Day : You’ll deliver a new service like Anycast Global Router.

  • 90 Day : You’ll own a domain like GPU inference clusters.

Who You Are:

  • You’ve seen Series B to F.

  • You’ve scaled massive systems that are resilient and performant.

  • Bonus: You’ve built your own startup.

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

Relevant archetypes

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Company info

Vapi logo

Vapi

Deploy voice agents at scale.

Voice is the human interface for business. Vapi is the platform behind it. Most phone systems trap callers in menus, scripts, and hold music. Vapi doesn't. From indie builders to the Fortune 100, we've powered over 1,000,000,000 calls — handling the most complex conversations and driving real outcomes. Hear it yourself: 1-844-HEY-VAPI

Private companySeries BYC W21
Founded2023
HQSan Francisco, United States
Size51-200 employees
Industry
Software Development
Latest fundingSeries B · May 12, 2026
Investors
Bessemer Venture Partners
Tech stackanaplan, metronome1, kandji, jenkins, linear, apollo-io, redis, sam-crm, outreach, envoy, pulumi, intercom, fivetran-integration, power-bi, sandbox, cloudflare, microsoft-forefront, argo-cd, databricks, yc

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