DesignPrep

System design practice

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DesignPrep

System design practice

Practice HLD and LLD with AI evaluation, follow-up interview questions, guided learning topics, and profile reports that make progress easier to see.

HLDLLDAI Feedback

AI scoring with rubric breakdown

Follow-up interview questions

Daily learning and practice picks

Profile reports and weak-area insights

System architecture and scalability

Object-oriented design and patterns

Real-world product design scenarios

Company-style practice questions

Updated with learning guides, daily practice, and progress reports.