Python-Based Azure Chatbot Development

I need an Azure openAI specialist who's versed in Python to develop and fine tune a chatbot for my business. The chatbot should be capable of performing several functions - customer support, appointment scheduling, and eCommerce transactions. It should be able to engage users via both text and voice-based responses.

Ideal skills for this job:
- Proven experience in Python programming and Azure platform
- Expertise in developing multi-functional chatbots
- Strong knowledge in fine tuning openAI for precise chatbot responses
- Proficiency in enabling text and voice-based user engagement in chatbots