What I need: Clean and improve the Postback system (S2S) to ensure every conversion is tracked correctly and prevent fraud or manipulation. Add real-time notifications: when a user completes an offer and receives points, they should instantly see a notification on the site. Create a section for Featured Offers: display selected offers directly on my site (from Offerwall APIs) without forcing users to open the full company wall. Implement a currency system so user points can also be displayed in USD ($). Security improvements: validate postbacks (hash/IP verification) and log every transaction for review. Skills required: PHP (or Node.js/Python depending on implementation) MySQL / Database Management API Integration (Offerwall APIs) Postback & Tracking Systems WebSockets or AJAX (for real-time notifications) Web Security / Fraud Prevention Frontend (HTML, CSS, JavaScript) This is an improvement project for an existing site, not a full website build.