VoIP Developer

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.
• Strong knowledge of FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.
• Good 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