Senior Software Engineer – VoIP
Core
Building a modern phone service for local businesses to collect and convert leads through AI agents.
Role type
Senior Software Engineer (VoIP)
Builds
VoIP infrastructure and AI agent platforms for lead generation
Domain
Telecommunications / AI
Deliverable
production ML models
Required skills
VoIP platforms (FreeSwitch, Kamailio, OpenSIPS, Asterisk), AI coding tools (Claude Code, Cursor, Copilot), end-to-end feature ownership, performance optimization, distributed systems
Preferred skills
WebRTC (SDP, ICE/STUN/TURN), network monitoring and diagnostics, packet capture analysis, event-driven architecture, horizontal scaling
Technologies
FreeSwitch, Kamailio, OpenSIPS, Asterisk, Claude Code, Cursor, Copilot
Responsibilities
Own features end-to-end from design to production, influence architecture, keep VoIP systems reliable at scale, mentor team members
Seniority
Senior, hands-on IC