Staff Infrastructure Engineer
Content + Source + Freshness • 12 Dec 2025 • 95% confidence
Offer value
Very high value reflected by strong compensation and significant responsibility in scaling advanced infrastructure in a leading voice technology startup.
- Salary range: $150,000–$300,000/year indicates top-tier compensation
- Significant role in pioneering voice technology development
- Opportunity to lead and innovate in a fast-growth company
- Requires proven engineering experience and leadership skills
Pros
- Compensation in the range of $150,000–$300,000/year is highly competitive.
- Hands-on role in scaling a groundbreaking voice interface platform.
- Impact on a rapidly growing technology space with close-knit teamwork.
Cons
- High performance expectations may lead to stress.
- Requires substantial experience that may not suit every candidate.
- Work demands may extend into off-hours due to startup nature.
Who it's for
Senior to Lead level • On-site (San Francisco)
Good fit
- Senior engineers with experience in infrastructure scaling
- Tech leaders excited about working in innovative environments
- Professionals eager to shape technology in a leading startup
Not recommended for
- Entry-level candidates or those without relevant experience
- Individuals seeking predictable work hours or environments
- Candidates preferring less responsibility and oversight
Motivation fit
Key skills
About the job
Vapi (/ˈwɑːpi/):
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We’re creating the shift to voice as humanity’s default interface.
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We’re the most configurable platform for deploying voice agents.
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We’re grown to 400,000 developers in 20 months, adding 2,000+ every day.
Why We’re Hiring This Role:
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We do millions of calls every day, with thousands concurrent.
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In every call, we get a new audio packet every 20ms and respond in <1s.
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We are now scaling this to 100s of millions of calls.
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It's freakin hard and a lot of fun.
What You’ll Do:
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30 Day : You’ll ramp on our multi-cluster, multi-cloud infrastructure.
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60 Day : You’ll deliver a new service like Anycast Global Router.
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90 Day : You’ll own a domain like GPU inference clusters.
Who You Are:
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You’ve seen Series B to F.
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You’ve scaled massive systems that are resilient and performant.
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Bonus: You’ve built your own startup.
Why Vapi:
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Generational impact : Build human interface for every business.
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Ownership culture : 90% of company is previous founders.
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Kind team : The founders Jordan and Nikhil are Canadians.
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Tier-1 Investors : YC, KP seed, Bessemer series A.
What We Offer:
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Real stake : We offer competitive salary and excellent equity ownership.
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Comprehensive health coverage : medical, dental, and vision plans.
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Team love : We love hanging out and do quarterly offsites.
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Flexible time off : take what you need.
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More : catered meals and transportation, gym & coaching stipends!
