VoIP Engineer

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.