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DSA · INTERVIEW PREPLIVE
DSA Practice
1,000+ judged problems grouped by pattern, with a tutor that watches your screen and coaches you when you're stuck.
Blind 75 · NeetCode · pattern tracks
SYSTEM DESIGNLIVE
System design interviews
Sharding, hot keys, cache layers, and what simple actually costs at planetary scale.
312 engineers in this track
AI SYSTEM DESIGNLIVE
AI system design
RAG, agents, evals, inference serving, and the token economics interviewers now grade as hard as the diagram.
New · 25 case studies
STANFORD LLM ENGINEERINGLIVE
Stanford LLM Engineering
The Stanford LLM curriculum as one build path — attention, pretraining, alignment, reasoning, agents, and the diffusion models behind image generation.
New · 24 lessons · 12 labs