Voice AI Engineer (WebRTC / Live Kit)

Neuro Drift is a US-based voice AI company. Our agents run on real phone lines every day for enterprise contact centres, so latency, telephony quirks and audio edge cases are our daily work.

We run Live Kit self-hosted: the server, the SIP service, Egress and Agents workers on Kubernetes. We are hiring an engineer who has run this stack, not one who has only built agents on top of it.

What you'll do

- ⁠ ⁠Own the Live Kit stack in production: server, SIP service, Egress, Agents workers

- ⁠ ⁠Connect and harden SIP trunks against real carriers and contact-centre platforms: transfers, headers, call correlation

- ⁠ ⁠Run stateful agent workers: capacity, scaling, graceful drain, deploys during live calls

- ⁠ ⁠Own latency from end-of-utterance to first audio, and know which component owns each millisecond

- ⁠ ⁠Build the observability that makes a bad call explainable after the fact

- ⁠ ⁠Work with the agent team on STT/TTS/LLM, turn-taking and interruption behaviour

What we need

- ⁠ ⁠1-2+ years Python, asyncio

- ⁠ ⁠Self-hosted Live Kit server in production: config, TURN, Redis multi-node, upgrades





- ⁠ ⁠Live Kit SIP service on a carrier trunk: inbound/outbound trunks, dispatch rules, transfers

- ⁠ ⁠Live Kit Agents workers in production: dispatch, scaling, graceful drain

- ⁠ ⁠WebRTC, SIP, RTP

- ⁠ ⁠Docker; Kubernetes preferred

- ⁠ ⁠Cross-service call debugging: SIP, server and agent logs

Nice to have

- ⁠ ⁠Voice agent build: STT/TTS/LLM pipeline, tool calling, VAD, interruption tuning

- ⁠ ⁠Live Kit Egress

- ⁠ ⁠SIP trunk debugged under load: Telnyx, Twilio, Bandwidth, Vonage

- ⁠ ⁠Latency instrumentation: end-of-utterance, time-to-first-audio, p50/p90

- ⁠ ⁠CCaaS integration: Genesys, Five9, NICE, SIP REFER, UUI headers

- ⁠ ⁠Other media servers: Janus, mediasoup, FreeSWITCH, Asterisk, Kamailio

- ⁠ ⁠STT/TTS per-minute cost awareness

The setup

- ⁠ ⁠Fully remote

- ⁠ ⁠High intensity, 50 to 60 hours a week. Startup pace, not a 9-to-5

- ⁠ ⁠Working hours primarily IST, with availability for US client meetings

If your Live Kit experience is Live Kit Cloud plus the Agents quickstart, this is not the role.

📌 Voice AI Engineer (WebRTC / LiveKit) (India)
🏢 Neurodrift
📍 India