Job Summary

Team Lead - Voice AI Telephony Engineering Experience- 4-5 Years. Role Overview We are looking for a hands-on Technical Team Lead with strong experience in real-time voice systems, Conversational AI, VoIP, and telephony engineering. The ideal candidate should have practical experience with Live Kit, Free SWITCH/Asterisk, SIP, GSM/SIP Gateways, WebRTC, STT, TTS, LLM APIs, Python, and backend engineering.

Responsibilities

- Lead the design, development, deployment, and operation of voice and telephony systems.
- Design and manage systems using Live Kit, Free SWITCH/Asterisk, SIP/GSM Gateways, WebRTC, and real-time audio.
- Integrate STT, TTS, LLM, and other AI APIs.
- Manage call flows, routing, dial plans, session management, and gateway integrations.
- Troubleshoot SIP, VoIP, audio quality, latency, reliability, and concurrency issues.
- Analyse production issues and implement permanent root-cause fixes.
- Design systems for scalability, low latency, reliability, and fault tolerance.
- Review code and architecture and establish engineering best practices.
- Mentor engineers and provide technical guidance.
- Plan tasks, coordinate delivery, deployments, and production incidents.
- Establish monitoring, logging, alerting, and performance metrics.

Technical Requirements

- Must Have 4-5 years of backend/software engineering experience.
- Strong knowledge of Python, asyncio, concurrency, and event-driven systems.
- Experience building Voicebots, Conversational AI, or real-time voice applications.
- Strong understanding of SIP and VoIP.
- Experience with Free SWITCH, Asterisk, or similar platforms.
- Experience with SIP/GSM Gateways and Live Kit or similar frameworks.




- Good understanding of WebRTC and real-time audio streaming.
- Experience integrating STT, TTS, and LLM APIs.
- Knowledge of REST APIs, Web Sockets, streaming APIs, retries, timeouts, and rate limiting.
- Strong Linux, Git, debugging, and production troubleshooting skills.
- Working knowledge of MySQL, PostgreSQL, or SQLite.

Leadership Engineering Skills

- Ability to own systems from design through production support.
- Solid system design, debugging, and root-cause analysis skills.
- Ability to balance latency, scalability, reliability, and cost.
- Experience mentoring engineers and conducting code/design reviews.
- Ability to estimate, prioritize, and deliver technical work.
- Strong communication and collaboration skills.

Good to Have

- Experience with Live Kit Agents or similar frameworks.
- Advanced Free SWITCH/Asterisk experience.
- Experience handling large-scale concurrent calling systems.
- Knowledge of Prometheus, Grafana, ELK/OpenSearch, Docker, Cloud, or Kubernetes.
- Experience with multilingual speech/NLP.
- Automated testing and CI/CD experience.
- Experience with telephony/provider cost optimization. Ideal Candidate

A hands-on technical leader who can design architecture, build core components, integrate AI and telephony systems, troubleshoot production issues, optimize performance, mentor engineers, and take ownership of end-to-end delivery. Experience with Live Kit, Free SWITCH/Asterisk, SIP/GSM Gateways, Python, and STT/TTS/LLM integrations will be highly preferred. Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Team Lead - Voice AI & Telephony (Bharatpur)
🏢 Media Tech Temple
📍 Bharatpur