Voip Engineer
Technostacks
2 - 5 years
Ahmedabad
Posted: 17/12/2025
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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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