FAANG INTERVIEWS · SYSTEM DESIGN · 8 TOPICS
Master system design.
Land the offer.
Every system design topic as a visual pack - animated walkthroughs, cheat sheets, real interview questions, common anti-patterns, and difficulty ladders. Free.
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Topics
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Problems
FAANG
Tagged
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Free
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Timed Challenges
10-min topic sprints with score tracking and time pressure
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Interview Questions
Real questions tagged by company, role level, and difficulty
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Cheat Sheets
Fast-access references grouped by subtopic with key trade-offs
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Anti-Patterns
The 10-20 design mistakes candidates make in every topic, mapped
Difficulty Ladder
Start easy. Build to FAANG level.
Level 1
Junior / Basics
Core concepts, single-service designs, basic trade-offs
Level 2
Mid-Level Interview
Multi-service architectures, standard scaling patterns
Level 3
Senior / Deep Dive
Complex distributed systems, consistency models, edge cases
Level 4
Staff+ / FAANG Hard
Planet-scale systems, novel architectures, deep trade-off analysis
Topic Packs
Pick a topic. Start building.
01VERY COMMON
URL Shortener
10 Problems10 Interview Qs
GoogleMetaAmazonMicrosoftUber
02VERY COMMON
Rate Limiter
0 Problems0 Interview Qs
StripeCloudflareGoogleAmazonMeta
03VERY COMMON
Chat System
0 Problems0 Interview Qs
MetaWhatsAppSlackMicrosoftDiscord
04VERY COMMON
News Feed
0 Problems0 Interview Qs
MetaTwitterLinkedInTikTokPinterest
05COMMON
Notification System
0 Problems0 Interview Qs
AmazonGoogleUberAirbnbTwilio
06COMMON
Distributed Cache
0 Problems0 Interview Qs
AmazonGoogleMicrosoftNetflixUber
07COMMON
Search Autocomplete
0 Problems0 Interview Qs
GoogleAmazonMicrosoftUberSpotify
08COMMON
Payment System
0 Problems0 Interview Qs
StripePayPalAmazonGoogleSquare