VoIP/SIP Engineer

Zudu AI

0 years

0 Lacs

Chennai Tamil Nadu India

Posted:1 month ago| Platform:

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Skills Required

voip sip communication kamailio ai concurrency stack routing failover reliability latency design scaling compliance security optimization troubleshooting integration workflow firewall profiling deployment management kubernetes docker twilio automation

Work Mode

On-site

Job Type

Full Time

Job Description

We’re hiring a VoIP/SIP Engineer with deep expertise in large-scale real-time communication, SIP (LiveKit, OpenSIPS, Asterisk, Kamailio, etc.), and seamless human-AI call flows. What You’ll Do Architect, build, and scale high-concurrency VoIP platforms (think 10,000+ concurrent calls, multi-tenant). Deep-dive into SIP stack (LiveKit, OpenSIPS, etc.), optimize call routing, failover, and reliability. Integrate state-of-the-art AI voice agents into live voice traffic (real-time TTS/STT, call hand-off, etc.). Solve for ultra-low latency and seamless transfer between human and AI agents. Design for global scaling, redundancy, and compliance. Be the go-to expert for SIP security, NAT traversal, media streaming, protocol optimization, and troubleshooting at scale. You Must Have Proven experience architecting & running large-scale SIP/VoIP infrastructure (real-world scale, not “lab only”). Hands-on expertise with LiveKit, OpenSIPS, Kamailio, or similar platforms. Real experience with AI voice/telephony integration (TTS, STT, call control APIs, LLM workflow integration). Mastery of call concurrency, load balancing, RTP/media streaming, SBCs, NAT/firewall handling, etc. Solid skills in troubleshooting, profiling, and scaling real-time distributed systems. Track record of automating deployment/management (Kubernetes/Docker/Cloud infra). Clear, direct communication—no fluff. Bonus Experience with CPaaS integrations (Twilio, Plivo, Vonage). Knowledge of call center automation or conversational AI platforms. Past projects with high-throughput WebRTC/SIP hybrids. Who Should Apply If you’re the person that others call when their VoIP stack melts under load or when AI voice integration hits a wall, we want you. You’re comfortable being the authority in the room—and delivering solutions that work at scale. Show more Show less

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