Website and app further enhancement based on react native & MERN stack

I am in need of an adept developer to address several bugs within my web and mobile applications. Detailed requirements are as follows: Web Application (PHP): Objective: Troubleshoot and rectify any prevailing bugs or errors. Performance: Ensure consistent and error-free operation of the application. Optimization: Review and refine code for enhanced performance where deemed necessary. Mobile Application (React Native): Objective: Identify and resolve any glitches or issues. Compatibility: Confirm the mobile app operates accurately across diverse devices and platforms. Performance: Bolster app stability and optimize for better performance. Essential Skills and Experience: PHP: Proficient in PHP debugging and bug resolution for the web application. React Native: Demonstrated expertise in React Native for addressing mobile app challenges. Problem Solving: Robust debugging skills coupled with a proven track record in web and mobile app development. I'd appreciate a response with your approach to these tasks and any preliminary questions you might have. This is an excellent opportunity for a developer with an acute problem-solving mindset and a passion for delivering seamless digital experiences.