5h ago
Senior Software Engineer, Voice AI
San Francisco
$215k-$280k / year
full-timesenior Hybridsoftware
🛠 Tech Stack
💼 About This Role
You'll own backend infrastructure for real-time audio/video calling, architecting WebRTC/SIP/Twilio systems to deliver a dialer that scales reliably to 10× volume. You'll ensure call quality and latency meet SLA targets globally while building observability tools and partnering with Product to enable new A/V features.
🎯 What You'll Do
- Architect and improve real-time voice infrastructure using WebRTC/SIP/Twilio.
- Ensure call quality and latency meet SLA targets globally.
- Build services for advanced features like call transfers and recordings.
- Develop observability and debugging tools for call flows.
📋 Requirements
- 6–10+ years backend/infra engineering with real-time A/V or telephony systems.
- Hands-on experience with WebRTC, SIP, or Twilio stacks.
- Strong foundation in distributed systems and low-latency infrastructure.
- Experience debugging and optimizing QoS metrics (latency, jitter, packet loss).
🎁 Benefits & Perks
- 🏖️ Unlimited PTO
- 📈 Equity in the form of options
- 🏥 Comprehensive health, dental, vision, life and disability insurance
- 🏢 Hybrid work model
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