| Layer | Tools & Services | |-------|------------------| | | React.js + Next.js for server‑side rendering; Tailwind CSS for responsive design. | | Video Processing | FFmpeg pipeline; AWS Elemental MediaConvert for adaptive bitrate streaming; CDN via Cloudflare Workers. | | Backend | Node.js (Express) API; PostgreSQL for relational data; Redis for caching; S3 for storage. | | AI Moderation | Custom TensorFlow models for nudity detection, facial recognition, and violent content detection; supplemented by Human Review SaaS (e.g., Scale AI). | | Security | WAF (Web Application Firewall) via Cloudflare; regular penetration testing; 2FA for creator accounts. | | Analytics | Mixpanel for event tracking; Matomo self‑hosted for privacy‑friendly website metrics. |