Interactive DS/AI Interview Prep
Cortex
Master data science interviews with interactive content, live Python execution, and AI-powered mock interviews. From statistics to system design — everything you need in one place.
Study Topics
Math Foundations
Statistics
Machine Learning
Deep Learning
Reinforcement Learning
System Design
- System Design Fundamentals
- Scalability Patterns
- Networking & Protocols
- API Design
- Authentication & Security
- Databases & Storage
- Caching Strategies
- Message Queues & Streaming
- Data Engineering & Cloud Platforms
- Architecture Patterns
- Containers, Kubernetes & CI/CD
- Real-World Case Studies
- AI & LLM System Design
- ML Pipelines
Coding & SQL
Features
Interactive Content
Flashcards, quizzes, and live visualizations for each topic.
Live Python
Run Python in your browser with numpy, pandas, and scikit-learn.
AI Mock Interviews
Practice with AI-powered interview simulations and get instant feedback.