External QA Tester Needed for Full Bug Testing & Improvements

We are looking for an experienced QA tester to thoroughly test a live social media app on iOS and Android. This is 100% black-box testing. No source code, backend, database, API, admin panel, server, or repository access will be provided. Testing must be performed entirely as a normal user. The app includes registration/login, identity verification, profiles, posts, short videos, likes/comments, follows, messaging, live streaming, notifications, search, location-based content, subscriptions, payments, wallets, virtual gifts, reporting, blocking, and other social features. Payment $50 for every 20 approved and verified bugs $50 for every 20 approved improvements/enhancements Enhancements should be practical suggestions that improve usability, user experience, functionality, flow, performance, or overall app quality. Only genuine, reproducible, previously unreported bugs will count. Duplicate reports, personal preferences, spelling suggestions, expected behavior, or issues caused only by poor internet will not be accepted. Each bug must include: Bug title Device + OS version App version Steps to reproduce Expected vs. actual result Screenshot/video Severity: Critical / High / Medium / Low Testing must remain strictly within the app. No unauthorized access, destructive testing, server attacks, account theft, or DoS testing. Experience with Flutter, social media apps, payments, subscriptions, messaging, live streaming, wallets, KYC/identity verification, or mobile security is preferred. When applying, please include your QA experience, available iOS/Android devices, and an example of a professional bug report.