1
DSA Mastery
4 topics · 12 weeks
The bar is high — build real fluency.
Data structures→
Algorithms←
Pattern drilling
Blind 75 → Neetcode 150 → company tags.
Timed practice
2 problems/day, mixed difficulty.
2
System Design
4 topics · 6 weeks
Required for L4+ / SDE-2 and above.
Fundamentals→
Scalability←
Caching & queues→
Real-world designs←
Practice out loud.
3
Low-Level Design
2 topics · 3 weeks
OOP design rounds.
OOP→
Design patterns←
4
Behavioral
2 topics · 2 weeks
The round most engineers under-prepare.
STAR stories
Leadership principles / values.
Project deep dives
Own your resume completely.
5
Mock Loop
2 topics · 3 weeks
Simulate the real thing.
Full mock interviews
Coding + design + behavioral.
Feedback iteration
Fix the top 3 weaknesses.
Advanced
FAANG / Big Tech Interview
Big tech loops test three things: algorithmic problem solving, system design (for mid+ levels), and behavioral fit. This roadmap builds each on a realistic timeline.
4–6 months · 5 stages · 14 topics
Stages
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