Senior Software Engineer, Voice AI

Nooks is the AI Sales Assistant Platform (ASAP) that automates the busywork so reps can focus on the human part of selling and generate more sales pipeline. Nooks has helped thousands of sales reps hit quota, saved customers hundreds of thousands of hours, and powered hundreds of millions of dollars in pipeline. Nooks is loved by sales teams at companies like Hubspot, Rippling, and hundreds more.

We’re a team of high performers raising over $70M from top VCs, including Kleiner Perkins, which made its first sales-tech investment in over 10 years by investing in Nooks. Over the past two years, we’ve grown ARR by 4x and then 3x, and we plan to 3x it again this year.

For more information, visit Nooks.ai.

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.

What you’ll do:

• 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.

We’re looking for someone who has:

• 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).

Compensation at Nooks for eligible roles includes base salary, equity, and benefits. Base salary is a single component of the total compensation package, which may also include equity in the form of options, comprehensive health, dental, vision, life and disability insurance coverage, hybrid work, and unlimited paid time off. Note that benefits are subject to change and may vary based on jurisdiction of employment.

We offer competitive compensation because we want to hire the best people and reward them for their contributions to our mission. Please reference the job posting’s subtitle for where this position will be located. For pay transparency purposes, the base salary range for this full-time position in the location listed is: $215K - $280K annually.

Nooks is an equal opportunity employer committed to fostering a diverse and inclusive workforce. We believe in providing equal employment opportunities to all individuals regardless of race, color, religion, gender, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law.

Nooks does not discriminate in hiring, promotion, compensation, or any other employment practices, and we are committed to ensuring a workplace that is free from discrimination, harassment, and retaliation. We encourage individuals from all backgrounds to apply and join our team.