Stuut
Lead Voice Infrastructure Engineer
San Francisco · Full-time
Sponsorship not specifiedDetected 27 days ago
PythonGoC++Distributed SystemsBackend DevelopmentAgentic AIAI OrchestrationIncident ResponseOutbound SalesVoIPCommunicationAccounts Payable
About the role
- Voice Telecommunication is a critical channel for accounts receivable.
- This role sits at the intersection of telephony infrastructure, realtime voice systems, AI voice agents, and finance workflows.
- This is the first dedicated voice infrastructure hire at Stuut.
Responsibilities
- Design, build, and operate telephony services that manage phone numbers, SIP trunks, carrier integrations, and call routing at scale
- Develop reliable signaling and media systems that bridge traditional telephony with realtime voice infrastructure and AI pipelines
- Build and improve core voice workflows: outbound calling, inbound routing, warm transfer, voicemail handling, DTMF interaction, and human handoff
- Build internal APIs and platform primitives that make voice capabilities accessible to product and engineering teams
- Are a strong senior software engineer with experience building distributed backend systems
Requirements
- Have experience with WebRTC, realtime media platforms, or speech systems (streaming STT, TTS, turn detection, conversational voice agents)
- Have experience with Go, Python, C, or C++
- Have meaningful experience with telephony systems: SIP, RTP, PSTN connectivity, trunks, number provisioning, or call routing
Compensation
- Top-of-market salary and equity package
- 401(k) & Match
Benefits
- Work with carriers and external vendors to expand coverage, improve routing performance, and handle regulatory or operational requirements
- Benefits (for U.S.-based full-time employees)
- Medical, dental & vision insurance coverage for you
- Parental Leave
Company info
- Customers pick up the phone.
- We are building AI agents that do real work across collections, cash application, disputes, customer communications and the phone is where much of that work happens.
This listing is sourced directly from Stuut's careers page and normalized into a canonical job model.