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Senior Software Engineer (Voice Platform), Customer Systems

Austin, United States of America💼 Full-time🗓 2026-07-23 → 2026-09-28

Core

Design and develop scalable distributed systems for voice signaling, media processing, routing, and real-time communications.

Role type

Senior IC backend software engineer (voice platform)

Builds

Large-scale voice and real-time communication platforms

Domain

Telecommunications / Real-time communication

Required skills

C, C++, SIP signaling, RTP, VoIP, distributed systems, TCP/IP, HTTP, TLS, load balancing, FreeSWITCH, Kamailio, Asterisk

Preferred skills

WebRTC, Docker, Kubernetes, Kafka, Redis, event-driven systems

Technologies

FreeSWITCH, Kamailio, Asterisk, WebRTC, Docker, Kubernetes, Kafka, Redis

Responsibilities

Lead design and development of scalable voice platform components; Drive architecture for SIP signaling and media processing; Develop high-performance backend services in C/C++; Troubleshoot complex voice quality and signaling issues; Collaborate across teams to deliver end-to-end solutions; Improve platform scalability, resiliency, and operational efficiency; Mentor engineers; Contribute to platform strategy and reliability initiatives; Drive testing, deployment automation, and incident response.

Seniority

Senior, hands-on IC

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