# LeetSys > AI-powered system design interview practice for software engineers. LeetSys helps engineers practice system design interviews with AI-guided mock interviews, an interactive architecture whiteboard, voice conversations, feedback, and community solution writeups. ## Primary URLs - Homepage: https://www.leetsys.dev/ - Learning and community solutions: https://www.leetsys.dev/blogs - Terms: https://www.leetsys.dev/terms - Privacy: https://www.leetsys.dev/privacy - Sitemap: https://www.leetsys.dev/sitemap.xml - Robots policy: https://www.leetsys.dev/robots.txt ## Best Summary LeetSys is a web-based educational platform for system design interview prep. It focuses on distributed systems, scalable architecture, database design, load balancing, caching, microservices, and FAANG-style interview practice. ## Audience - Software engineers preparing for system design interviews - Backend, full-stack, infrastructure, and senior engineering candidates - Computer science students learning distributed systems ## Content Types - System design interview practice problems - Community-published architecture solution articles - Interactive whiteboard diagrams - AI interview feedback and performance breakdowns - Curated engineering learning resources