Android Developer Needed for Firebase Troubleshooting

I'm looking for an experienced Android Developer to troubleshoot and fix issues in my existing mobile application, with an emphasis on Firebase integration.

Key Requirements:
- Proficient in debugging and optimizing app performance
- Expertise in Firebase services integration (Authentication, Firestore/Realtime Database, Cloud Messaging)
- Experience in mobile app development

Ideal Skills and Experience:
- Proven track record in delivering high-quality solutions
- Strong problem-solving skills
- Passion for mobile app development

Please include examples of your previous work related to Android and Firebase in your bid.