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Interview Prep

A Complete Prep Curriculum

Choose your track or follow the structured 12-week curriculum. Everything you need to pass technical interviews at top companies.

200+ Problems

Coding Interviews

200+ curated problems with full solutions, test cases, and complexity analysis. Run code directly in your browser.

Organized by pattern (not just topic)
In-browser code execution
Test cases with hidden cases for validation
Time & space complexity breakdowns
5 free problems, 200+ with Pro

Start Coding Interviews

30+ Lessons

Pro

System Design

Step-by-step design walkthroughs of real systems. Learn to think at scale and communicate trade-offs.

URL shorteners, social feeds, distributed queues
CAP theorem, consistency models, caching
Database selection and partitioning strategies
Load balancing and rate limiting
3 free lessons, full library with Pro

Start System Design

12-Week Structured Curriculum

Follow the plan and never wonder what to study next.

Weeks 1–2

Foundations

Arrays & Hashing
Two Pointers
Sliding Window
Stack

Weeks 3–4

Core Patterns

Binary Search
Linked Lists
Trees & BSTs
Heaps

Weeks 5–6

Advanced Data Structures

Graphs
Backtracking
Tries
Union Find

Weeks 7–8

Dynamic Programming

1D DP
2D DP
Knapsack
LCS / Edit Distance

Weeks 9–10

System Design

Scalability basics
Database design
3 full case studies

Weeks 11–12

Mock Interviews & Polish

Timed practice
Mock interview sessions
Behavioral prep