Voip Engineer

2 weeks ago

Ahmedabad, India Technostacks Full time

Job Title: VoIP Developer (5+ Years Experience) We are looking for an experienced VoIP Developer with strong expertise in SIP-based communication systems and IMS architecture. Key Responsibilities: Develop and maintain VoIP applications and SIP-based solutions Work with Asterisk / FreeSWITCH / Kamailio / OpenSIPS Handle call flows, SIP signaling, Diameter protocol, and system integrations Troubleshoot call quality, routing, and network issues Build APIs and integrations with PBX, CRM, and external systems Optimize system performance, SIP trunks, and routing logic Required Skills: 5+ years of VoIP development experience Strong in C programming , SIP , Kamailio , Diameter , Redis Good understanding of IMS architecture Experience with RTP, WebRTC, and real-time communication Linux administration and networking fundamentals Knowledge of REST APIs and databases (MySQL/PostgreSQL) Good to Have: WebRTC development Docker/Kubernetes, AWS/GCP Tools like Sipp, Wireshark, Homer

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