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Posted: Feb 11, 2026

Senior C/C++ with Telecommunications Knowledge

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We are working on a healthcare product — we developed from scratch a multilayer, web-based platform, built on the basis of microservice architecture which supports numerous integrations with external web services and third-party applications. Requirements Programming Languages C/C++: Proficiency in C or C++ is essential, as FreeSWITCH is primarily written in these languages. (Optional) Lua: Familiarity with Lua for scripting within FreeSWITCH applications. Telecommunications Knowledge SIP (Session Initiation Protocol): Understanding SIP signaling, which is fundamental for VoIP communications. (Optional) VoIP Concepts: Familiarity with Voice over IP technologies and protocols. FreeSWITCH Framework Module Development: Experience in developing and integrating custom modules within the FreeSWITCH framework. Networking TCP/IP: Understanding of networking concepts, including IP addressing, routing, and firewall configurations. Experience with TCP sockets and network streams Operating Systems Linux/Unix Proficiency: skills in Linux/Unix environments where FreeSWITCH typically runs. Audio Encoding Understanding of various audio codecs (e.g., G.711, G.729, Opus). Knowledge of audio encoding/decoding processes and transcoding techniques. About the company Intetics Inc. is a leading American technology company providing custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions built with SMAC, RPA, AI/ML, IoT, blockchain, and GIS/UAV/LBS technologies.