VoIP Developer - C/C++ Programming
Arting Digital
Greater Kolkata Area
Information Technology
Primary skills : VoIP, Kamailio, IMS, Diameter, C/C++ : Any Technical Degree
Role Overview
We are looking for an experienced VoIP Developer with strong expertise in Kamailio/OpenSIPS, SIP-based communication systems, and a solid understanding of IMS/Diameter. The ideal candidate will have hands-on programming experience in C/C++, strong debugging skills, and the ability to work on large-scale communication Responsibilities :
- Develop and maintain VoIP applications and SIP-based communication solutions.
- Work with SIP/SDP, RTP/SRTP, TLS, Diameter, and related communication protocols.
- Troubleshoot and resolve issues related to signaling, media, networking, and system performance.
- Collaborate with cross-functional teams for feature development and platform enhancements.
- Perform code reviews and ensure high-quality deliverables.
- Work with databases (MySQL, MongoDB) for configuration, logging, and provisioning.
- Contribute to design discussions and provide technical guidance when Skills :
- Strong understanding of TCP/IP, VLAN, L3 VPNs.
- Excellent knowledge of SIP/SDP, RTP/SRTP, TLS protocols.
- Hands-on experience with Kamailio or OpenSIPS (mandatory).
- Programming experience in C/C++ (mandatory).
- Good understanding of Diameter protocol.
- Experience with MySQL and MongoDB.
- Knowledge of IMS call flows.
- Understanding of PBX/Enterprise Communication Server features.
- Strong troubleshooting, problem-solving, and debugging skills.
- Good written and verbal communication Skills :
- Experience with Inter-process communication, API design, message queues.
- Exposure to FreeSWITCH, Asterisk.
- Experience in building VoIP components like SoftPBX, Voicemail, ACD, IVR systems.
- Knowledge of scripting and programming languages: Python, PHP, JavaScript, Java.
- Strong knowledge of Linux systems, server administration, Linux command-line tools.
- Understanding of firewalls, security, networking concepts.
- Familiarity with tools like CMake, Git.
About the company
Company website•Technology, Information and Internet, Software Development, Technology, Information and Media
Arting Digital is Digital Transformation organization working with client across marketing, analytics and digital transformation. We enable enterprises and marketers take advanced data-driven decisions and boost the effectiveness and success of their digital properties including websites, social media, online platforms, digital devices, the web or mobile-based applications, providing IT resources and more. Combining progressive analytics practices, technology, and domain expertise — our custom solutions help clients connect data and insights with business decisions.
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