You'll own voice AI at JoyzAI. All of it. The real-time pipeline (audio in, speech understood, LLM reasoning, tools called, speech out), the telephony that gets the call connected, the platform a client uses to configure and run their agent, and the webhooks and CRM plumbing that turn a call into a lead. It's a working product with real clients on it today. Your job is to take it from working to something we'd bet the company on, and to build the team that keeps it that way.
This is a head-of role at a company of under 15 people, which makes it a player-coach job. You set the technical direction for voice: what we build on, what we buy, what we rip out. And you write a lot of the code yourself. When a call stutters, drops, or talks over the customer, you're the one who finds out why, fixes it at the root, and changes the system so it can't happen again. When a client wants an agent that does something we've never done, you decide whether the platform can, and then you make it so.

What you'll do

Own the voice stack
Set the architecture and roadmap for the real-time calling pipeline:



telephony ↔ audio streaming ↔ speech/real-time models ↔ tool calls ↔ speech out, with latency you can't feel.
Own the hard voice problems, with opinions earned in production: turn-taking and barge-in, silence and voicemail detection, noise and echo, language switching mid-call (English ↔ Hinglish ↔ regional), and graceful recovery when a model or carrier hiccups.
Make the build-vs-buy calls across STT/TTS, real-time LLMs, VAD, and telephony carriers. Run the evaluations, own the vendor relationships, decide what we build on next, and know when it's time to switch.
Design non-blocking tool calling inside live calls (lookups, bookings, CRM writes) so the agent never goes silent or loses the thread.
Define what "valuable" means for a voice agent: the quality bar, the evaluation framework, the test harness. We should know a change made agents better before a client tells us.

Build the platform

📌 Head of Voice AI Development (Noida)
🏢 JoyzAI
📍 Noida