"Real-Time AI Developer – Virtual Receptionist VoIP Powered by OpenAI (ChatGPT)" - Contract to Hire

🌍 Remote, USA 🎯 Full-time 🕐 Posted Recently

Job Description

Description:

We are looking for an experienced developer to create Receptia, a virtual receptionist capable of answering phone calls in real time, powered by OpenAI / ChatGPT.

The system must understand and respond fluently in Québec French and Canadian English, with speech-to-text (STT), natural text-to-speech (TTS), and VoIP/SIP telephone integration.

Phase 1 Objectives:

Receive VoIP calls

Connect to OpenAI (ChatGPT) API

Natural STT/TTS

Automatic FR/EN language detection

Simple interface to configure responses and scripts

Call conversation logging

Requirements:

Experience with OpenAI API

Knowledge of VoIP/SIP

Low-latency real-time development

Multilingual support

Full Version (Detailed Job Post)

Title:

AI Virtual Receptionist Development – Receptia, Powered by OpenAI (ChatGPT)

Description:

We are launching Receptia, an intelligent phone assistant for SMEs and freelancers.

The goal: automatically answer incoming calls with a natural voice, understand the caller’s request, and take action (reply, schedule an appointment, transfer, send information).

⚠️ Key Requirement: The conversational engine must absolutely be powered by OpenAI / ChatGPT via API (GPT-4o or GPT-5). We require the conversational quality and contextual understanding of ChatGPT—no other LLM will be accepted as the main engine.

Phase 1 Features:

Receive VoIP/SIP calls

Integrate OpenAI (ChatGPT) API for intelligent handling

Real-time speech recognition (Whisper, Deepgram, etc.)

Natural text-to-speech (ElevenLabs, Azure TTS, etc.)

Automatic detection of Québec French / Canadian English

Simple web interface to manage scripts, responses, and logs

Audio + text conversation logging

Option to transfer to a human operator

Phase 2 Features (Optional):

CRM integration

Appointment scheduling (Google Calendar / Outlook)