Panduan Kejuruteraan: Hire a Freelance Programmer for Real-Time WebRTC Voice AI Agents (2026). Aldian Fazrihady ialah Programmer Bebas Kanan & Jurutera AI (Python, Django, FastAPI, React, Next.js, TypeScript, Golang).

Why teams hire senior freelance programmer Aldian Fazrihady to architect sub-300ms WebRTC Voice AI agents with LiveKit, OpenAI Realtime API, and Gemini Live.

import asyncio
from dataclasses import dataclass

@dataclass
class VoiceTurnState:
    session_id: str
    is_agent_speaking: bool = False
    current_audio_task: asyncio.Task | None = None

async def handle_user_vad_speech_start(state: VoiceTurnState) -> None:
    """Immediately interrupt TTS playback on user barge-in (<40ms latency)."""
    if state.is_agent_speaking and state.current_audio_task:
        state.current_audio_task.cancel()
        state.is_agent_speaking = False

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