carrier-grade voice reliability

Key Responsibilities

• Design, develop, and optimize telephony solutions integrating with

  Asterisk, FreeSWITCH, and other CPaaS platforms

  (Twilio, Vonage, Plivo, etc.).
• Architect scalable and reliable

  CCaaS/CPaaS workflows

  for inbound and outbound voice communication.
• Collaborate with AI/ML engineers to integrate

  AI-driven voice agents

  with traditional and modern telephony stacks.
• Troubleshoot and optimize call quality, latency, SIP/RTP handling, NAT traversal, and codec performance.
• Build automation scripts, monitoring tools, and APIs in

  Python

  to manage and extend telephony systems.
• Ensure compliance with

  VoIP standards and protocols

  (SIP, RTP, WebRTC, SRTP, DTMF, IVR).
• Collaborate with product and infrastructure teams to deliver

  carrier-grade voice reliability

  .
• Research and implement new technologies in

  voice processing, call analysis, and AI-driven telephony workflows

  .

Required Skills & Experience

• 5+ years

  of experience in the

  Telephony/VoIP domain

  .
• Deep knowledge of

  Asterisk, FreeSWITCH

  , and/or other open-source PBX systems.
• Strong understanding of

  SIP, RTP, WebRTC, VoIP codecs (G.711, G.729, Opus, etc.)

  , and telephony protocols.
• Experience with

  CCaaS/CPaaS solutions

  (Twilio, Vonage, SignalWire, Plivo, etc.).
• Hands-on experience with

  Python

  for automation, API integration, and backend development.
• Knowledge of

  call routing, IVR design, conferencing, and voicemail systems

  .
• Familiarity with

  cloud environments (AWS, GCP, Azure)

  for deploying telephony systems at scale.
• Solid troubleshooting skills in

  networking (SIP traces, Wireshark, NAT issues)

  and

  carrier interconnects

  .

Preferred/Good to Have

• Experience with

  AI Voice, Speech-to-Text (STT), and Text-to-Speech (TTS) integration

  .
• Exposure to

  Kafka, RabbitMQ, ActiveMQ, or other messaging systems

  for real-time call event handling.
• Prior work in

  contact center solutions (CCaaS)