v1.2.0

Backend Engineering Foundation Expansion

Highlights

• Core Java foundation
• Collections foundation
• JVM foundation
• Multithreading foundation
• Security foundation
• Microservices foundation
• Testing foundation
• Database improvements
• Repository standardization
• Roadmap tracking improvements
• Repository quality and structure polish

Focus Areas

• Backend Engineering Fundamentals
• Production Engineering Concepts
• Scalable System Discussions
• Backend Interview Preparation