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Software Engineer, Voice AI Infrastructure

Nooks

Salary not specified
Oct 8, 2025
San Francisco, CA, US
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Nooks.ai needs to scale its real-time audio/video calling infrastructure to handle a 10x increase in volume, ensuring reliable dialer performance and high call quality globally.

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).

Responsibilities

  • 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.
  • Own backend infrastructure for real-time audio/video calling (Twilio, Salesfloor, A/V quality, recordings, transcriptions) to deliver a dialer that scales reliably to 10× volume.

Other

  • Partner with Product/Support to enable new A/V features and fast issue resolution.