Position:- VoIP Developer
Location:- Ahmedabad
Experience:- 5+ Years
Employment Type
Full-Time
Job Summary
We are seeking an experienced VoIP Developer with 5+ years of hands-on experience in FreeSWITCH, Kamailio, OpenSIPS, and Asterisk. The ideal candidate will be responsible for designing, developing, implementing, and maintaining enterprise-grade VoIP solutions. The candidate should possess strong expertise in SIP protocols, Linux environments, and telecom application development.
Key Responsibilities
· Design, develop, and maintain VoIP applications using FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.
· Configure and optimize SIP servers, dial plans, routing, and call flows.
· Develop and customize VoIP features based on business requirements.
· Integrate VoIP platforms with CRM systems, web applications, and third-party APIs.
· Troubleshoot SIP signaling, RTP media issues, and call quality problems.
· Monitor system performance and ensure high availability of VoIP services.
· Deploy, maintain, and troubleshoot applications in Linux environments.
· Analyze SIP traffic using tools such as Wireshark, sngrep, and server logs.
· Collaborate with cross-functional teams to develop and enhance telecom solutions.
· Prepare and maintain technical documentation.
Required Skills
· 5+ years of experience in VoIP development.
· Strong expertise in FreeSWITCH, Asterisk, Kamailio, and OpenSIPS.
· Excellent knowledge 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 and version control systems.
· Strong debugging, analytical, 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 experience in Python, Bash, or PHP is an added advantage.
Educational Qualification
· Bachelor's degree in Computer Science, Information Technology, Electronics & Communication, or a related field.
Pay: ₹600,000.00 - ₹800,000.00 per year
Application Question(s):
- Do you have Strong expertise in FreeSWITCH, Asterisk, Kamailio, and OpenSIPS?
Experience:
- VoIP development: 5 years (Required)
Work Location: In person
