Core Telephony Developer

1 week ago


Remote, India Etaclam Techno Services Full time ₹ 16,80,000 - ₹ 18,00,000 per year

About the Role

We are looking for an experienced Core Telephony Developer to join our team on a contract basis. The ideal candidate will have strong expertise in telephony systems development, with hands-on experience in SIP, Freeswitch, and You will be responsible for designing, implementing, and maintaining robust telephony solutions that ensure seamless communication and scalability.

Key Responsibilities

  • Design, develop, and deploy core telephony applications and solutions.
  • Work with SIP protocols and Freeswitch for call control, routing, and media handling.
  • Integrate telephony systems with web applications using
  • Optimize system performance, reliability, and scalability.
  • Troubleshoot and resolve issues related to call flows, VoIP protocols, and system integration.
  • Collaborate with cross-functional teams to deliver high-quality telephony solutions within deadlines.
  • Prepare technical documentation for system design, configuration, and processes.

Required Skills & Experience

  • 5–8 years of proven experience as a Telephony Developer or similar role.
  • Strong knowledge of SIP protocols and VoIP technologies.
  • Hands-on experience with Freeswitch development and customization.
  • Proficiency in for backend integration and service development.
  • Solid understanding of telephony system architecture and call routing.
  • Experience in debugging, monitoring, and performance optimization of telephony systems.
  • Strong problem-solving skills and ability to work independently.

Job Type: Contractual / Temporary

Contract length: 6 months

Pay: ₹140, ₹150,000.00 per month

Work Location: Remote


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