🔹 Role Overview:
You will be responsible for developing, customizing, and maintaining VoIP-based solutions
using FreeSWITCH, ensuring high availability, performance, and reliability of real-time
communication systems.
🔹 Key Responsibilities:
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Develop and maintain VoIP applications using FreeSWITCH
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Design and implement call routing, IVR, and dialplan logic
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Integrate FreeSWITCH with backend systems and APIs
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Work with SIP, RTP, and WebRTC protocols
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Troubleshoot and resolve call quality and performance issues
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Optimize system performance for scalability and low latency
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Collaborate with cross-functional teams for product enhancements
🔹 Required Skills:
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Strong experience with FreeSWITCH architecture and modules
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Good understanding of SIP, RTP, WebRTC, and VoIP fundamentals
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Experience in Lua / C / JavaScript (any one or more)
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Knowledge of Linux environments and networking concepts
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Hands-on experience with call flows, IVR, and conferencing systems
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Experience with debugging tools like sngrep, Wireshark
🔹 Good to Have:
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Experience with CPaaS or telecom platforms
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Knowledge of Kamailio / Asterisk
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Exposure to cloud infrastructure (AWS/GCP)
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Understanding of scalable distributed systems
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