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We are seeking a Senior VoIP Software Engineer with strong Node.js expertise to design and build backend services powering large-scale cloud communications infrastructure. This role combines VoIP systems engineering with modern distributed backend development, supporting high-volume real-time communications and fax workflows. You will work on Node.js services that integrate with telephony platforms such as FreeSWITCH, messaging systems, and cloud infrastructure to ensure reliability, scalability, and performance.
This role requires both strong software development skills and deep VoIP protocol expertise, with a focus on troubleshooting SIP/RTP call flows, configuring OpenSIPS, and working with FreeSWITCH.
Originally posted on Himalayas