Show HN: Buildex – Interactive system design practice with AI feedback (buildex.dev)

Buildex has launched an innovative interactive platform designed for engineers to practice system design with real-time AI feedback. This tool enables users to visually construct system architectures using a drag-and-drop interface, simplifying the process of designing complex systems. With over 100 real-world components available—such as databases and load balancers—engineers can tackle challenges inspired by actual interview questions from major tech firms like FAANG. The platform gamifies the learning experience, allowing users to earn points and achievements as they progress. The significance of Buildex lies in its combination of practical application and rich feedback, which can accelerate the learning process for aspiring engineers. By providing instant evaluations on design elements like scalability and reliability, Buildex helps users refine their skills effectively. This AI-driven feedback mechanism not only aids in mastering system design but also prepares users for high-stakes technical interviews. With its accessible pricing model, Buildex aims to democratize engineering practice, ensuring that tools for learning are available to all.