WordPress Developer Needed – Meta & TikTok App Review / OAuth Verification Approval

We are looking for an experienced developer who has already successfully passed app reviews for both Meta (Instagram Login / Graph API) and TikTok Developer Platform. Project Overview We already developed a custom WordPress onboarding plugin for our platform that allows influencers to connect and verify their Instagram and TikTok accounts via OAuth. The plugin is already implemented and functional, including: - Instagram OAuth flow - TikTok OAuth flow - User onboarding steps - Account linking / unlinking - User profile retrieval - Meta data deletion callback endpoints - Deauthorization endpoints - Secure OAuth state handling - WordPress AJAX + admin-post integration The current task is NOT building the plugin from scratch. The main goal is: ✅ Prepare the applications correctly for platform review ✅ Configure all required compliance settings ✅ Help us pass Meta App Review ✅ Help us pass TikTok App Review ✅ Ensure the OAuth verification flow complies with platform policies Current Stack - WordPress plugin (PHP) - Custom onboarding flow - Instagram Graph API - TikTok Open API - OAuth 2.0 authentication - Custom frontend onboarding UI What We Need Meta / Instagram - Configure and prepare Meta App Review - Verify correct scopes and permissions - Review Instagram Login implementation - Validate data deletion & deauthorization endpoints - Help prepare screencast / reviewer instructions - Fix any compliance issues blocking approval - Ensure production-ready OAuth flow TikTok - Configure TikTok developer app correctly - Prepare app for review - Validate OAuth flow against TikTok requirements - Ensure redirect URIs and scopes are compliant - Help pass TikTok verification process Important You MUST already have experience with: - Meta App Review approvals - Instagram Graph API - TikTok Login Kit / Open API - OAuth 2.0 - WordPress plugin development Please include in your proposal: - Examples of apps you helped get approved - Which platforms you worked with (Meta / TikTok) - Common reasons for rejection you already solved - Your experience with OAuth review processes Deliverables - Fully review-ready Meta app - Fully review-ready TikTok app - Compliance fixes if needed - Guidance for reviewer notes & demo video - Successful approval or near-approval state We prefer someone practical who already went through these approval processes multiple times and understands the platform review expectations.