Show HN: Leetsys – Practice system design interviews with an AI interviewer (www.leetsys.dev)

Leetsys has launched an innovative platform designed to enhance system design interview preparation using an AI-powered interviewer. It offers users the opportunity to engage in realistic mock interviews that adjust to their experience level, providing tailored feedback on architectural decisions in real time. Participants can formulate their designs using an intuitive canvas to create system diagrams, map data flows, and articulate trade-offs, all while receiving constructive input immediately following their explanations. This development is significant for the AI/ML community as it leverages AI to practice and refine critical soft skills necessary for technical interviews—something particularly valuable in a competitive job market. With a library of interview prompts ranging from basic tasks like creating URL shorteners to complex designs for globally distributed social networks, Leetsys helps aspiring tech professionals refine their system design skills systematically. This approach not only prepares candidates more effectively but also showcases the potential of AI in education and training, bridging the gap between theory and practice in technical assessments.