Flutter App Fix & Upgrade

I'm in need of a seasoned Flutter and iOS developer to fix some issues and enhance features in my app. The ideal candidate should have strong knowledge and experience in Firebase, Flutter and iOS.

Key Requirements:
- Immediate fix for app issues
- Upgrade needed for the notifications system
- Proficient in enhancing app performance, UI and overall functionality
- Quick turnaround required, with a project deadline of 2 days
- Able to prepare and upload updates to both App Store and Play Store

Skills and Experience:
- Expertise in Flutter and iOS development
- Proficient in Firebase