Software Engineer, Voice AI Infrastructure at Nooks

San Francisco, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, AIIndustries

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

Skills

Key technologies and capabilities for this role

WebRTCSIPTwiliodistributed systemslow-latency infrastructureQoStelephony systemsreal-time audioobservabilitybackend infrastructure

Questions & Answers

Common questions about this position

What is the work arrangement for this position?

The position is hybrid.

What experience level is required for this role?

The role requires 6–10+ years of backend/infra engineering experience specifically with real-time A/V or telephony systems.

What key technical skills are needed for this Software Engineer position?

Candidates need hands-on experience with WebRTC, SIP, Twilio or similar stacks, a strong foundation in distributed systems and low-latency infra, and experience debugging and optimizing QoS for latency, jitter, and packet loss.

What is the salary or compensation for this role?

This information is not specified in the job description.

What makes a strong candidate for this position?

A strong candidate has 6–10+ years in backend/infra engineering with real-time A/V or telephony systems, hands-on experience with WebRTC/SIP/Twilio, expertise in distributed systems, low-latency infra, and QoS optimization.

Nooks

Virtual collaboration platform for sales teams

About Nooks

Nooks.ai offers a virtual collaboration platform tailored for sales development representatives (SDRs) and business development representatives (BDRs). The platform features video conferencing, virtual bullpens, and live call listening, enabling real-time interaction and coaching among team members. Nooks.ai stands out by recreating the energetic environment of a physical sales office, which helps increase connects and meetings. The company's goal is to enhance sales performance and team dynamics through improved outbound calling efficiency.

Gum Spring, West VirginiaHeadquarters

2020Year Founded

$68.1MTotal Funding

SERIES_BCompany Stage

Data & Analytics, Enterprise SoftwareIndustries

201-500Employees

Benefits

Company Equity

Remote Work Options

Risks

Competition from Zoom and Microsoft Teams expanding into sales enablement.

Economic downturns may affect subscription renewals and client acquisitions.

Data privacy concerns with AI-driven analytics could deter potential clients.

Differentiation

Nooks.ai replicates the energy of a physical sales office virtually.

The platform offers real-time interaction, coaching, and analytics for sales teams.

Nooks.ai integrates seamlessly with existing sales tools for enhanced analytics.

Upsides

Nooks.ai raised $43M in Series B funding for AI Sales Assistant Platform.

The platform's AI tools promise to make sales reps 10x more productive.

Nooks.ai is named a Rising Star in Forbes' 2023 Cloud 100 list.

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