Voip Engineer

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