Interview Preparation
A structured path to interview readiness — DSA, system design, object-oriented design, and behavioral preparation with progress tracking.
📍 Structured Learning Paths
Not sure where to start? Follow a guided path from foundations to interview-ready.
Data Structures & Algorithms
Curated DSA sheets with solutions in 4 languages, company tags, and difficulty filters.
System Design
145+ articles from fundamentals to real-world case studies, with a structured 6-phase roadmap.
High-Level Design
20 real-world system design interview questions with component breakdowns and approach guides.
Low-Level Design
20 OOD problems with design patterns and key classes, plus foundations covering SOLID, OOP & 12 essential design patterns.
Behavioral & Leadership
30 behavioral interview questions with STAR-framework tips, follow-ups, and company-specific insights.
AI & LLM Engineering
From ML fundamentals to production AI systems — Transformers, LLMs, RAG, agents, MCP, fine-tuning, and ML system design.