Nooks

Software Engineer, Voice AI Infrastructure

Nooks

full-time

Posted on:

Location Type: Hybrid

Location: San Francisco • California • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

Distributed Systems

About the role

  • Architect and improve real-time voice infra (WebRTC/SIP/Twilio).
  • Ensure call quality and latency meet SLA targets globally.
  • Build services for advanced features (call transfers, monitoring, recordings).
  • Develop observability and debugging tools for call flows.
  • Partner with Product/Support to enable new A/V features and fast issue resolution.

Requirements

  • 6–10+ years backend/infra engineering with real-time A/V or telephony systems.
  • Hands-on experience with WebRTC, SIP, Twilio, or similar stacks.
  • Strong foundation in distributed systems and low-latency infra.
  • Experience debugging and optimizing QoS (latency, jitter, packet loss).
Benefits
  • Equal Employment Opportunity Employer
  • Diverse and inclusive workforce

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
WebRTCSIPTwiliodistributed systemslow-latency infrastructuredebuggingoptimizing QoScall transfersmonitoringrecordings
Soft skills
collaborationproblem-solvingcommunication
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