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Roadmaps
DSA Roadmap
90-day structured roadmap
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AI & Data Science Roadmap
90-day structured roadmap
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Sheets
DSA Patterns Sheet
Revise high-impact patterns with focused, interview-first practice.
Open Sheet
System Design Sheet
12 patterns and case studies for HLD interviews.
Open Sheet
Low Level Design Sheet
OOP, SOLID, design patterns, and real-world case studies.
Open Sheet
Data Science & AI Sheet
Statistics, ML, neural networks, and AI/LLM concepts.
Open Sheet
Behavioral Sheet
STAR method, leadership, and communication patterns.
Open Sheet
Operating Systems Sheet
Processes, threads, scheduling, deadlock, and virtual memory.
Open Sheet
DBMS Sheet
SQL, normalization, indexing, transactions, and recovery.
Open Sheet
Computer Networks Sheet
TCP/IP, routing, congestion control, DNS, and security.
Open Sheet
Math for Interviews Sheet
Combinatorics, probability, modular arithmetic, and complexity.
Open Sheet
Learning Paths
DSA Patterns
Advanced pattern mastery for coding interviews.
Start Path
DSA Basics
Core data structures and algorithm foundations.
Start Path
Data Science
ML fundamentals, statistics, and applied modelling.
Start Path
AI & LLMs
Neural networks, transformers, and production LLM systems.
Start Path
Product Management
Product sense, metrics, and strategy frameworks.
Start Path
System Design
Scalable architecture and tradeoff analysis.
Start Path
Low Level Design
OOP design patterns and class-level architecture.
Start Path
Math for Interviews
Counting, probability, modular arithmetic, and complexity.
Start Path
Operating Systems
Processes, scheduling, synchronisation, and virtual memory.
Start Path
Databases
SQL, normalization, indexing, transactions, and recovery.
Start Path
Computer Networks
The full stack: link layer, IP, routing, TCP, and security.
Start Path
Practice
Company Wise Kits
Solve company-focused problem sets for Google interviews.
Open Kit
Amazon
Solve company-focused problem sets for Amazon interviews.
Open Kit
Solve company-focused problem sets for Facebook interviews.
Open Kit
Microsoft
Solve company-focused problem sets for Microsoft interviews.
Open Kit
Uber
Solve company-focused problem sets for Uber interviews.
Open Kit
More Tools
Resume Analyzer
Improve ATS match and tighten impact for target roles.
Open Tool
Revision Hub
Revisit saved notes, highlights, and quick refresh points.
Open Hub
Community
Read interview experiences and learn from peer discussions.
Open Community
History
Track your previous sessions and monitor consistency trends.
View History