Company: Elision Technologies Pvt. Ltd.

Job Title: VoIP Developer

Location: Ahmedabad, Gujarat

Experience: 5+ Years

Employment Type: Full-Time

Department: Engineering / Product Development

About the Role

Elision Technologies Pvt. Ltd. is looking for an experienced VoIP Developer to develop, customize, and maintain enterprise-grade telecom and unified communication solutions. The ideal candidate should have solid expertise in FreeSWITCH, OpenSIPS, Asterisk, Kamailio, and FusionPBX, along with a solid understanding of SIP-based communication systems and VoIP technologies.

You will work closely with Product, QA, DevOps, and Support teams to build scalable, secure, and high-performance telecom applications for global customers.

Key Responsibilities
Design, develop, and maintain VoIP and telecom applications.
Configure, customize, and optimize FreeSWITCH, Asterisk, OpenSIPS, Kamailio, and FusionPBX.
Develop SIP-based call routing, IVR, conferencing, recording, and telephony solutions.
Integrate VoIP platforms with CRM systems, REST APIs, and third-party applications.




Troubleshoot SIP, RTP, codec, NAT, and signalling issues.
Optimize system performance, scalability, and high availability.
Perform debugging, testing, and code reviews.
Collaborate with cross-functional teams to deliver new features and product enhancements.
Prepare technical documentation and follow development best practices.

Required Qualifications
Bachelors degree in Computer Engineering, Information Technology, or a related field.
5+ years of experience in VoIP or Telecom Software Development.
Solid programming skills in C, C++, Python, PHP, or Java.
Hands-on experience with Linux environments and networking concepts.
Positive understanding of REST APIs, SQL databases, and system integration.

Required Technical Skills
FreeSWITCH
OpenSIPS
Asterisk
Kamailio
FusionPBX
SIP & RTP Protocols
VoIP & IP Telephony
WebRTC
Linux Administration
REST APIs
MyS

📌 Voip Developer Ahmedabad
🏢 Elision TechnoLab
📍 Ahmedabad