Telephony Engineer (Asterisk, FreeSWITCH, GO, Python) – Remote (US/Canada)

Overview

We are seeking a highly skilled Telephony Engineer with a strong background in modern VoIP platforms, cloud infrastructure, and backend systems development. This role is ideal for an experienced engineer (6+ years) who thrives in a distributed environment and is passionate about building reliable, scalable voice systems.

In Short

• Architect, deploy, and maintain Asterisk, FreeSWITCH, and related VoIP platforms.
• Configure, monitor, and optimize Session Border Controllers (SBCs).
• Develop call routing logic, IVRs, conferencing systems, and SIP trunk integrations.
• Troubleshoot complex SIP signaling, RTP media, NAT/firewall, and QoS issues.
• Build backend services and tools using Go and Python.
• Develop telephony microservices, APIs, automation scripts, and system tooling.
• Design and operate telephony workloads in AWS.
• Implement monitoring, alerting, and incident-response processes for voice systems.
• Partner with product, QA, customer success, and security teams to deliver high-quality telephony features.
• Participate in on-call rotation and provide Tier-3 support for production escalations.

Requirements

• 6+ years of professional engineering experience in telephony/VoIP, backend development, or cloud infrastructure.
• Expert knowledge of Asterisk, FreeSWITCH, and SIP protocols.
• Hands-on experience with SBCs.
• Strong programming skills in Go and Python.
• Experience designing and operating systems in AWS.
• Proficiency with relational databases and SQL.
• Deep understanding of telephony protocols: SIP, RTP, SRTP, STUN/TURN/ICE, WebRTC.
• Strong Linux systems experience (Ubuntu, CentOS, or similar).
• Familiarity with Docker, Kubernetes, and infrastructure-as-code tools.
• Excellent troubleshooting, debugging, and performance optimization skills.

Benefits

• 100% remote-first culture (work from anywhere in the US or Canada).
• Competitive salary and equity packages.
• Comprehensive health, dental, and vision benefits.
• Flexible PTO and paid holidays.
• Home office stipend.
• Opportunities for professional growth, technical leadership, and architecture ownership.