Custom Event GA4 As per below requirement

I am looking for a freelancer to help me create a custom event GA4 for my website that can track conversions. The ideal candidate should have experience working with GA4 and be familiar with event tracking.

Goals:
Top source/medium driving most traffic to the website, split by top 10 countries/top regions with most registrants and/or leads. Engagement indicators (Avg. time on page, avg. pages) should be included;

Event Tracking:
- Real-time and periodic tracking
- Track product purchases as conversions

Skills:
- Proficient in GA4
- Familiarity with event tracking
- Knowledge of product purchase tracking

If you have the necessary skills and experience, please submit your proposal.