Senior Backend Engineer (AI Voice Infrastructure)

alexander chapman • San Francisco Bay Area

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AI Summary

Build and scale core AI voice infrastructure for a high-growth startup, designing distributed systems, real-time audio, and telephony solutions. Own end-to-end projects from architecture to production with direct impact on millions of AI-driven conversations. Collaborate closely with the founding team in a fast-paced, ownership-driven environment.

Key Highlights

High-ownership role in a rapidly scaling AI voice infrastructure startup

Design and build scalable distributed systems, real-time audio, and telephony backend

Direct collaboration with the founding team on core platform architecture and tooling

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Key Responsibilities

Design and build core platform architecture for AI-driven voice infrastructure

Develop highly scalable and reliable backend systems for distributed environments

Troubleshoot production issues and implement improvements based on customer feedback

Build APIs and developer tooling to enable rapid customer onboarding

Own projects from initial architecture through production deployment

Technical Skills Required

Distributed Systems Backend Engineering Scalable Infrastructure

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Benefits & Perks

$200K–$300K base salary

Meaningful equity

Full medical, dental, and vision coverage

Wellness, commuter, phone, and internet benefits

Relocation support

US visa sponsorship available

Job Description

I’m working with a rapidly growing, well-funded AI startup building voice AI infrastructure used by thousands of businesses. The company has scaled quickly and is backed by leading investors.

They’re hiring a Senior Backend Engineer to build the core infrastructure powering millions of AI-driven conversations. This is a high-ownership role working closely with the founding team on challenging problems across distributed systems, real-time audio, telephony, infrastructure, and developer tooling.

What you’ll work on

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