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System Designs
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Explore interactive diagrams, ask questions in real-time, and get personalized explanations. Your AI tutor adapts to how you learn.
Start here. Our AI guides you through core concepts with interactive diagrams you can explore, modify, and ask questions about.
Scale from 1K to 1M users. Explore interactive architecture diagrams and let AI explain every design decision in real-time.
Handle petabytes like the giants. AI walks you through data pipelines, helping you understand trade-offs as you design.
Break the monolith the right way. Visualize service boundaries and get AI-powered feedback on your designs.
Build instant experiences like Discord and Figma. Interactive simulations show you how real-time sync actually works.
Practice with AI that simulates real interviewers. Get instant feedback on your designs and learn to communicate trade-offs.
Study architectures from Netflix, Uber, Stripe, and more. Understand how top companies solve scale challenges.
Streaming
How do you stream video to 200M+ users globally without buffering?
Learn CDN architecture, adaptive bitrate streaming, and microservices with circuit breakers
Video Platform
How do you process 500+ hours of video uploads every minute?
Master async video transcoding, distributed storage, and recommendation algorithms
Music Streaming
How do you personalize music for 500M users with instant playback?
Understand collaborative filtering, audio streaming protocols, and edge caching
Short Video
How does TikTok's algorithm keep users engaged for hours?
Learn real-time ML pipelines, content moderation at scale, and engagement optimization
Live Streaming
How do you deliver live video to millions with <5 second latency?
Master low-latency HLS, edge transcoding, and real-time chat infrastructure
Streaming
How do you launch a streaming service to 10M users on day one?
Learn multi-CDN strategy, content pre-positioning, and DRM at scale
Audio Platform
How do you store and stream millions of user-uploaded tracks?
Master audio processing, waveform generation, and creator analytics
Video Platform
How do you offer high-quality video with advanced privacy controls?
Learn video encoding profiles, embed customization, and access controls
Music Streaming
How do you analyze music to create perfect radio stations?
Understand audio fingerprinting, music attribute analysis, and personalized stations
Everything you need to master system design
See architectures come alive with interactive diagrams. Understand complex systems at a glance.
Ask questions about any component. Get clear explanations of trade-offs and design decisions.
Practice with actual system design questions from FAANG interviews. Get ready for the real thing.
Learn battle-tested patterns from Netflix, Uber, Stripe, and more. Apply proven solutions.
Don't just read - build! Create your own diagrams and get feedback on your designs.
See your improvement over time. Earn badges, complete challenges, and build your portfolio.
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Software Engineer - Now at Google
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Backend Developer - Preparing for interviews
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Founding Engineer - Early-stage Startup
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