Engineered for the
next level.
AI-powered scenarios designed by top engineers. Master system design, architecture, and complex problem-solving with real-world feedback.
Designed for mastery.
Everything you need to level up your engineering perspective, from junior to principal.
Precision Scenarios
AI models fine-tuned on real architectural failures and successes from companies like Netflix and Uber.
Instant Feedback
Get deep, technical analysis of your approach, identifying bottlenecks and trade-offs in seconds.
Industry Context
Challenges tailored to Fintech, Healthcare, E-commerce, and specialized high-load systems.
Three steps to principal.
Define your target
Select your industry, role, and current experience level. Our engine calibrates the difficulty accordingly.
Solve the scenario
Draft your solution, draw diagrams, and address the specific constraints and edge cases generated for you.
Get graded
Receive a comprehensive report on your performance, with actionable advice on how to improve your system design skills.