VoIP Developer

Location: Ahmedabad

Experience: 5+ Years

Employment Type: Full-Time

Job Summary

We are looking for an experienced VoIP Developer with 5+ years of hands-on experience in FreeSWITCH, Asterisk, Kamailio, and OpenSIPS. The candidate will be responsible for developing, implementing, maintaining, and troubleshooting enterprise-grade VoIP and telecom solutions.

Key Responsibilities

- Develop and maintain VoIP applications using FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.
- Configure SIP servers, dial plans, routing, and call flows.
- Develop and customize VoIP features as per business requirements.
- Integrate VoIP platforms with CRM systems, web applications, and third-party APIs.
- Troubleshoot SIP signaling, RTP, and call-quality issues.
- Monitor VoIP system performance and ensure service availability.
- Deploy and troubleshoot applications in Linux environments.
- Analyze SIP traffic using Wireshark, sngrep, and server logs.
- Work with cross-functional teams on telecom solutions.
- Maintain technical documentation.





Required Skills

- 5+ years of experience in VoIP development.
- Robust knowledge of FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.
- Valuable understanding of SIP, RTP, WebRTC, TCP/IP, UDP, and NAT traversal.
- Hands-on experience with Linux (CentOS/Ubuntu).
- Experience with MySQL/MariaDB or PostgreSQL.
- Knowledge of REST APIs and third-party integrations.
- Familiarity with Git/version control.
- Strong debugging and problem-solving skills.

Preferred Skills

- Experience with RTP Engine, RTP Proxy, or Media Proxy.
- Knowledge of Docker and cloud deployment.
- Experience with high-availability and load-balancing solutions.
- Scripting knowledge in Python, Bash, or PHP.

Education Bachelor’s degree in Computer Science, IT, Electronics & Communication, or a related field.

Pay: ₹700,000.00 - ₹800,000.00 per year

Work Location: In person

📌 VoIP Developer (Ahmedabad)
🏢 TCG Digital
📍 Ahmedabad