Need fixes to app - Android and IOS

This mobile app project seeks an experienced mobile developer to address issues impacting both the iOS and Android versions.

The app currently suffers from intermittent failures to refresh authentication tokens, resulting in unauthorized access attempts.

Additionally, errors occur when processing some server responses, negatively impacting the user experience. The developer will be responsible for thoroughly diagnosing the root causes of these problems. Both front-end and back-end code must be evaluated to pinpoint where failures originate.

Once identified, modifications will need to be implemented to ensure token refreshing and response handling are robust under all conditions. Attention should be given to security, stability and performance enhancements. Non-critical visual or functional bugs may also require fixes.

The goal is to remedy technical deficiencies and restore fully reliable app functionality across both platforms. Mobility expertise with strong debugging talents are essential for this troubleshooting engagement.