Voice over IP Systems DeveloperTechnostacks • Ahmedabad, Republic Of India, IN

Voice over IP Systems Developer

Technostacks • Ahmedabad, Republic Of India, IN

2 days ago

Job description

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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Developer System • Ahmedabad, Republic Of India, IN

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