Team Lead – AI Engineer

Team Lead – Voice AI & Telephony EngineeringExperience- 4–5 yearsRole OverviewWe are seeking a hands-on technical leader experienced in real-time voice, conversational AI, VoIP, and telephony systems.The ideal candidate has experience with LiveKit, FreeSWITCH/Asterisk, SIP, GSM and SIP gateways, WebRTC, STT, TTS, LLM APIs, Python, and backend engineering.Key Responsibilities- Lead the design, development, and operation of voice and telephony systems.- Design systems using LiveKit, FreeSWITCH/Asterisk, SIP/GSM gateways, WebRTC, and real-time audio.- Integrate STT, TTS, LLM, and other AI APIs.- Own call flows, routing, dialplans, session management, and gateway integrations.- Troubleshoot SIP, VoIP, audio quality, latency, reliability, and concurrency issues.- Analyze production data and implement permanent fixes.- Design for scalability, low latency, reliability, and fault tolerance.- Review code and architecture, mentor engineers, and establish best practices.- Plan work, coordinate delivery, and support deployments and incidents.- Establish monitoring, logging, alerting, and performance metrics.Technical RequirementsMust Have- 4–5 years of backend/software engineering experience.- Strong Python, asyncio, concurrency, and event-driven systems knowledge.- Experience building voicebots, conversational AI, or real-time voice applications.- Strong SIP and VoIP knowledge.- Experience with FreeSWITCH, Asterisk, or similar platforms.- Experience with SIP/GSM gateways and LiveKit or similar frameworks.- Understanding of WebRTC and real-time audio streaming.- Experience integrating STT, TTS, and LLM APIs.- Knowledge of REST, WebSockets, 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.- Strong 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 work.- Strong communication and collaboration skills.Good to Have- LiveKit Agents or similar frameworks.- Advanced FreeSWITCH/Asterisk experience.- Large-scale concurrent calling experience.- Prometheus, Grafana, ELK/OpenSearch, Docker, cloud, or Kubernetes experience.- Multilingual speech/NLP, automated testing, CI/CD, or provider cost optimization experience.Ideal CandidateA hands-on technical leader who can design architecture, build core components, integrate AI and telephony, troubleshoot production issues, optimize performance, mentor the team, and own delivery.Experience with LiveKit, FreeSWITCH/Asterisk, SIP/GSM gateways, Python, and STT/TTS/LLM integration is preferred.Pay: ₹30,000.00 - ₹35,000.00 per monthWork Location: In person