? We’re Hiring: Senior VoIP / Asterisk & FreeSWITCH Developer

? Location: Ahmedabad | Work from Office

? Experience: 5+ Years

Moon Technolabs is looking for an experienced VoIP Developer with robust hands-on expertise in Asterisk / FreeSWITCH and real-time communication systems.

? What You'll Work On

- Develop and maintain scalable VoIP & telephony solutions
- Troubleshoot SIP, RTP, WebRTC, NAT, codecs, latency & call quality
- Configure SIP trunks, IVR, dial plans, queues, PBX & call routing
- Work with Asterisk, FreeSWITCH, FusionPBX / FreePBX
- Implement WebRTC & SIP over WebSocket (WSS)
- Develop integrations using AGI, AMI, ARI, ESL
- Troubleshoot using Wireshark, sngrep, tcpdump, RTP analysis
- Integrate telephony with CRMs, APIs, cloud providers & AI voice platforms
- Work with Linux, databases, Docker/Kubernetes and production environments




- Support architecture, optimization, production troubleshooting and mentor junior developers

?️ Key Skills

Asterisk | FreeSWITCH | SIP | RTP | WebRTC | SRTP | ICE | STUN/TURN | NAT | SIP Trunking | SBC | Linux | Python | Lua | PHP | Node.js | AGI | AMI | ARI | ESL | Kamailio | OpenSIPS

⭐ Experience with AI Voice Agents, STT/TTS, conversational AI, carrier-grade systems or multi-tenant PBX will be an added advantage.

If you are passionate about real-time communication and VoIP technologies and enjoy solving complex production challenges, we'd love to hear from you!

? Share your CV at [email protected] or apply through LinkedIn.

📌 Senior Voip Engineer (Ahmedabad)
🏢 Moon Technolabs
📍 Ahmedabad