Here's how you can showcase your expertise in enhancing mobile app performance and speed.

Minimize code bloat by paying attention to Apple's deprecation warnings and removing unused libraries or frameworks. Use tools like Xcode's "Analyze" feature to identify dead code and opportunities for refactoring. Apple's Instruments suite provides powerful tools for profiling your app's performance. Use them to identify bottlenecks and optimize code accordingly. Android Studio offers a built-in profiler to analyze memory usage and CPU performance. Minimize unnecessary network requests. Combine multiple requests into one, or use caching mechanisms to store frequently accessed data locally.

Use Asset Catalog Slicing to deliver app icons and launch images in appropriate sizes for each device. This reduces the app's size and improves load times. Utilize SVG for icons, logos, and simple illustrations. Carefully evaluate third-party libraries. Look for lightweight alternatives or remove libraries that aren't crucial for your app's functionality. App thinning allows you to deliver a customized version of your app to users based on their device model. This eliminates unnecessary resources like device-specific images or code slices, reducing the app size for each user.Consider using ProGuard (Android) or Link-Time Optimization (iOS) to remove unused code and shrink the final binary size.

Balance the need for fresh data with the benefits of caching. Data that changes frequently (e.g., stock prices) should have shorter expiration times. Static content (e.g., icons) can have longer expiry periods. Consider versioning cached data. If the data structure or format changes on the server, a new version can be cached with a corresponding identifier. This allows the app to handle outdated data gracefully. Utilize server-sent invalidation techniques like Cache-Control headers. The server can notify the app when specific data on the server has been updated.Implement an LRU (Least Recently Used) cache eviction strategy. When the cache reaches its storage limit, the least recently used data is evicted to make room for new data.

Firebase Crashlytics is a valuable tool for continuous monitoring which we use in most of our apps Crash Reporting: Automatically collect and analyze crash reports to identify issues causing crashes on user devices. Performance Monitoring: Track app performance metrics like launch time and rendering speed. Real-time Insights: Get real-time insights into app performance and identify trends or sudden changes. By combining profiling tools, data analysis, and Crashlytics integration, you can establish a robust continuous monitoring system. This proactive approach allows you to maintain optimal app performance, identify potential issues before they impact users, and ultimately deliver a more reliable and enjoyable user experience.