Flutter Android App Crash & Lag Fix

My Flutter-based Android app is experiencing critical issues that need immediate attention. The app crashes during launch and shows significant lag during interactions. I am looking for a skilled Flutter developer who can identify and fix these problems effectively.

Key Skills:
- Proficient in Flutter and Android app development
- Strong debugging and problem-solving skills
- Experience with performance optimization in mobile apps

Please bid if you can deliver a stable and high-performing app.