Android Developer for Bug Fixing & Playstore Build

I'm seeking an Android developer to assist with bug fixing and creating a build for the Playstore.
Need experienced Android developer to implement bug fixes to existing Android Code.
Developer will be provioded with existing code and APK. Must ensure latest version of 3rd party SDK and Android version is used.
Fix the bugs and deliver build for playstore - from where app will be tested

Key Responsibilities:
- Identify and troubleshoot bugs within the application
- Ensure the app is stable and ready for Playstore
- Create a test builds for Playstore and release build

Ideal Qualifications:
- Proficient in Android app development
- Experience with preparing apps for Playstore
- Strong skills to troubleshoot bugs and performance optimization
- Familiar with integrating apps with multiple APIs

This will be a fixed bid project and must be completed in 7 days from award. These are minor bug-fixes.
Developer MUST accept bin in INR.