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Remote role, generalist 'Senior Software Engineer' title and metro locations drive high competition despite niche telephony skills.
Specialized Freeswitch/Lua telephony expertise is not easily transferable across industries, so background fit is highly sensitive.
Mandatory Freeswitch/Lua expertise plus telephony protocol and C familiarity enforces high shortlisting strictness.
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Lead research, design, and development of scalable telephony applications using Freeswitch and Lua.
Analyze and resolve complex technical issues in telephony infrastructure ensuring reliable communication.
Integrate Freeswitch with other systems and contribute to solution architecture and custom module development.
Minimum 2 years of development experience with Freeswitch and Lua, including proficiency in reading C code.
Strong understanding of Freeswitch architecture, modules, and configuration.
Proficiency in Lua scripting and experience with VoIP protocols such as SIP and RTP.
Familiarity working in a Linux environment.
Experienced in independently researching and solving complex telephony and software challenges.
Skilled in developing high-quality, efficient telephony applications with a focus on scalability and security.
Comfortable collaborating with developers and system administrators to deliver integrated telephony solutions.