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Solve any interview problem by recognising the pattern behind it.
Analyse the time and space complexity of any piece of code with confidence Recognise which of the core patterns a new problem belongs to within minutes Implement every fundamental data structure from scratch and know when to reach for each Break down dynamic programming problems into states and transitions systematically 10 modules · 65 topics
Intermediate to Advanced 28 weeks
The complete path from coding rounds to senior and staff-level design interviews.
Everything from the DSA course, plus the design skills senior interviews test Reason about trade-offs in latency, consistency, availability and cost out loud Choose between SQL and NoSQL, and justify the choice with real constraints Design caching, sharding and replication strategies that survive scrutiny 9 modules · 64 topics
Which one should you take? If you are… Take Why Preparing for your first product-company interview DSA Coding rounds are the gate. Design rounds usually are not part of the loop yet. A self-taught developer with fundamentals gaps DSA Starts from complexity analysis and assumes no formal CS background. Targeting senior or staff roles DSA + System Design Design rounds are where these loops are decided, and the DSA material is included anyway. Strong at coding but freeze on open-ended design questions DSA + System Design The system design half is built precisely for this gap. Moving toward architecture work in your current job DSA + System Design The same judgement transfers directly to real architecture decisions.
Still deciding? Read a few articles first — they are written the same way the courses are taught.
Free · 15 min · No cost, no spam
