4h ago

Lead Voice Infrastructure Engineer

San Francisco

$185k-$250k / year

full-timesenior

🛠 Tech Stack

💼 About This Role

You'll design and operate telephony services for Stuut's AI-driven accounts receivable platform, bridging traditional telephony with realtime voice and AI pipelines. Your work will directly determine call quality, transfer success, and business outcomes for Fortune 10 to mid-market clients. This is the first dedicated voice infrastructure hire, defining how we build AI-powered business communication.

🎯 What You'll Do

  • Design and operate SIP trunking, carrier integrations, and call routing at scale
  • Bridge traditional telephony with realtime voice infrastructure and AI pipelines
  • Build outbound calling, inbound routing, warm transfer, and voicemail workflows
  • Instrument voice workflows to measure answer rates and transfer success

📋 Requirements

  • Experience with SIP, RTP, and PSTN connectivity
  • Distributed systems building in Go, Python, C, or C++
  • Experience with WebRTC or realtime media platforms
  • Debugging across protocols and packet-level issues

✨ Nice to Have

  • Contact center or IVR system experience
  • Working with streaming STT, TTS, or conversational voice agents

🎁 Benefits & Perks

  • 🏖️ Flexible PTO
  • 🏥 Medical, dental & vision insurance
  • 💰 401(k) & Match
  • 📈 Equity package
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