FreeSwitch Developer

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

• Develop and maintain VoIP applications using FreeSWITCH
• Design and implement call routing, IVR, and dialplan logic
• Integrate FreeSWITCH with backend systems and APIs
• Work with SIP, RTP, and WebRTC protocols
• Troubleshoot and resolve call quality and performance issues
• Optimize system performance for scalability and low latency
• Collaborate with cross-functional teams for product enhancements
  
  

Required Skills

• Strong experience with FreeSWITCH architecture and modules
• Good understanding of SIP, RTP, WebRTC, and VoIP fundamentals
• Experience in Lua / C / JavaScript (any one or more)
• Knowledge of Linux environments and networking concepts
• Hands-on experience with call flows, IVR, and conferencing systems
• Experience with debugging tools like sngrep, Wireshark
  
  

Good To Have

• Experience with CPaaS or telecom platforms
• Knowledge of Kamailio / Asterisk
• Exposure to cloud infrastructure (AWS/GCP)
• Understanding of scalable distributed systems