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Step 1
Understand the interview
Read the orientation guides before drilling concepts.
Step 2
Learn core concepts
Work through all units in this track.
Step 3
Apply with case studies
Use full walkthroughs to connect concepts to production decisions.
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How Cloudflare Cut Cold Starts 10x: From TLS Pre-Warming to Consistent Hash Sharding
Cloudflare · 14 min
Scaling PostgreSQL to power 800 million ChatGPT users
OpenAI · 12 min
Inside OpenAI's In-House Data Agent: From Question to Insight in Minutes
OpenAI · 14 min
Design a Personal AI Agent
AI/ML
Design an LLM Pre-Training Pipeline
Design a Web Crawler
System Design
Design WhatsApp
Design Ticketmaster
A Visual Guide to RLHF
15 min
Post-Training Beyond RLHF
20 min
A Visual Guide to Sandboxing
22 min