Content Hubs

Explore topic-first learning paths with cleaner URL structure and deeper internal linking by hub and subhub.

• System Design

  Interview-focused and production-oriented architecture guides covering trade-offs, scalability, reliability, and distributed system patterns.

  • Interview Questions
  • Scalability Patterns
  • Cheatsheets
• Java

  Java learning path from interview fundamentals to design patterns and coding problem-solving.

  • Interview Fundamentals
  • Design Patterns
  • LeetCode in Java
• Spring Boot

  Practical Spring Boot guides for API development, validation, configuration, and production-ready backend patterns.

  • Core Guides
  • Cheatsheets
• DevOps and Tooling

  Developer workflow and platform tooling guides covering version control, containers, and command-line productivity.

  • Version Control
  • Containers
  • Linux CLI
  • Cheatsheets
• AI Engineering

  Applied AI engineering content covering LLM systems, MCP tooling, and practical machine learning workflows.

  • LLM and Agent Systems
  • Machine Learning
• Web Fundamentals

  Networking and browser basics that explain how the modern web works from DNS to HTTP and TLS.

  • Networking and Protocols
• Career

  Interview and career growth content for software engineers, including agile and communication topics.

  • Interview Prep