Freelance Developer Needed for App Maintenance and Updates (iOS & Android)

App Details:

Android Application:

Language: JDK 8.x, Java, XML
Database: SQLite
IDE: Android Studio
Tests: Android Lint
Device Support: Android Version 8.0 and above
iOS Application:

Language: Swift 3.0 & above
Database: Core Data
IDE: XCODE
Tests: XCTest Framework
Device Support: iOS Version 13 and above
Admin Panel & Backend Development:

Front & Backend Framework: Custom PHP
Database: MySQL
Microservices/APIs
Integrated Features:

Stripe and PayPal payment gateways
Google login
Phone number login with OTP (Twilio)
Currency converter API
Ongoing Responsibilities:

App Maintenance:

Perform updates as required for app compatibility with new iOS and Android versions.
Ensure all integrated features (e.g., Stripe, PayPal, Twilio) continue to work seamlessly.
Post updates to the App Store and Google Play Store when needed.
Bug Fixes & Minor Tweaks:

Address any issues that arise in the app's functionality.
Future Enhancements (If Things Go Well):

Add additional languages to the app.
Implement design changes or new menu items.
Make other minor adjustments based on user feedback.
Engagement Model:

Work will be on a month-to-month basis.
Payment will be provided for any tasks performed as required.
Requirements:

Familiarity with the technologies and frameworks listed above.
Ability to troubleshoot and debug issues across both platforms.
Experience posting apps to both the iOS App Store and Google Play Store.
Strong communication skills and ability to provide clear progress updates.
How to Apply:
Please provide the following:

Examples of similar apps you’ve worked on (if any).
Your experience with the technologies mentioned.
Your hourly or monthly rate for this engagement.
Availability for communication and support.