account_treeSystem Design Specialized
System Design Interview Copilot
LLD + HLD + Architecture patterns. Real-time diagrams, capacity estimation, trade-off analysis. Essential for FAANG.
50+
Classic Problems
<2s
Response Latency
8+
Target Companies
100%
FAANG Coverage
Core Capabilities
account_treeHigh-Level Design (HLD)
Architecture diagrams & component breakdown
Auto-generate architecture diagrams, data flow, API design, capacity estimation, availability.
schema
Low-Level Design
Class diagrams, DB schemas, code structure
balance
Trade-off Analysis
Auto-generate pros/cons
storage
Storage Selection
SQL vs NoSQL, Cache, Queue
visibility_offStealth Overlay
Stealth support for system design
Passes 20+ detection tests. Works with Zoom, Teams, Google Meet, CoderPad.
Classic System Design Problems
Design TwitterHard
Design UberHard
Design NetflixHard
Chat SystemMedium
URL ShortenerEasy
Notification SystemMedium
Target Companies
Meta
Google
Amazon
Apple
Netflix
Uber
Airbnb
Microsoft
User Feedback
“System design went from overwhelming to structured. Architecture framework is so practical.”
Senior Engineer · Meta
“Auto-generated trade-off analysis with pros/cons. Interviewer said my thinking was clear.”
Tech Lead · Google
“Capacity estimation template saved me tons of prep time.”
Backend Architect · Amazon
FAQ
What does system design interview assess?expand_more
Architecture design skills, trade-off analysis, scalability thinking. Including capacity estimation, API design, data model, cache strategy, message queue.
What's the difference between HLD and LLD?expand_more
HLD (High-Level Design) focuses on overall architecture, component breakdown, data flow. LLD (Low-Level Design) focuses on class diagrams, DB schemas, code structure.
Which classic system design problems are supported?expand_more
Design Twitter, Uber, Netflix, Chat System, URL Shortener, Notification System, Web Crawler and more.
What's the latency for real-time voice prompts?expand_more
Latency < 2 seconds. Architecture framework ready as interviewer finishes requirements.
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