Flutter Developer for ChatGPT realtime API Integration

I need a senior Flutter developer to integrate the ChatGPT live API's speech-to-speech functionality into my existing app. This should be a separate feature and not intertwined with the app's current functionalities.

Key Requirements:
- Strong experience in Flutter app development
- Proficient in implementing APIs, especially ChatGPT
- Familiar with speech-to-speech technology
- the interface that i need is on the files section, you can check it.
Additionally, I have a minor issue in my app concerning a GPT prompt. I need the prompt request to be fixed so that GPT provides more accurate responses.

here is the API that i want to be integrated: https://openai.com/index/introducing-the-realtime-api/
here is my flutter code: https://github.com/EilafMohammad/Worthy-you
it has both ios and android, howerver right now the focus of the 3 days deadline is on ios.
notes:

- budget is 80$. no more, no less. this is not negotiable
- delivery is 3 days maximum

Please note that the integration of the speech-to-speech feature will not serve a specific purpose but is aimed at enhancing the app's overall functionality. its gping to be implemented on a single new page. It's crucial that the developer can deliver a standalone feature that does not interfere with the current app functionalities. the app is live on appstore already, i want the developer to post the latest edit after i approve it.