Jack of all trades for new project

We will be launching a new app in early February 2023. We need for this project a virtaul assistant who can handle the following:
1. Monitor the app admin console - to produce reports and keep an eye on activity.
2. Monitor and post social media channels
3. Customer service (no voice support only email and chat.
4. Basic admin
5. Assist in next version development.

The skills required are:
1. MS office
2. Graphic design
3. Strong communications skills - oral and written
4. Speedy learner
5. Customer awareness

Personal qualities:
1. Integrity
2. Work hard with little supervision
3. Attention to detail
4. Organized
5. Flexible - not insisting on precise job description etc.
6. Eager to learn new things.

For the right person this could be a long term assignement depending on how successful the project is.
In your response please mention how many hours you can work. Your ability to work odd hours (if needed) due to timezone differences. Please share a sample of any work you have done in the past that you are proud of - writing, design anything.