Social Media Engagement Management System

I need a developer to build a social media engagement management system (web-based) with the following features: Core Features: Multi-user system with roles (admin, reviewer, operator) Input social media post links (Instagram, TikTok, X, Facebook, YouTube) AI-powered comment generation based on topic and tone (positive, neutral, etc.) Comment draft management (multiple variations per post) Approval workflow before execution Task scheduling system (queue-based, not real-time mass posting) Activity logging and monitoring dashboard System Components: Backend (PHP) Database (MySQL) Telegram Bot integration for submitting links and notifications Admin dashboard (web UI) Additional Requirements: Secure credential storage (encryption required) Proxy management per account (optional but preferred) Scalable architecture (queue/job system) Clean and maintainable code Deliverables: Full source code Database schema implementation API documentation Deployment guide Nice to Have: Experience with automation systems Experience with AI integration (OpenAI or similar) Experience with Telegram Bot API