App and Backend Bugs Fixing

We are in urgent need of an experienced freelancer who can fix functionality issues and bugs within our Android Application as well as work on Backend Bugs that are contributing to these problems.
My project demands a specific set of skills, and I am looking for someone with expertise not just in debugging but also with a profound understanding of how to enhance overall app performance.

**Programming Languages**
- Native Android App -- Java, Kotlin
- Backend -- PHP

**Project Requirements:**
- fix reported functionality issues and bugs.
- Identify and correct any backend bugs affecting app operations
- Suggest and implement improvements for a smoother user experience

**To bid on this project, please share:**
- Your experience with similar projects
- Estimated time frame for completion.
- NDA sign is Required.

I look forward to partnering with a freelancer who is not only skilled in App development and debugging but also someone who has a keen eye for improving app functionality and user satisfaction.