About

ADevGuide is your practical resource for backend engineering and interview prep - system design, Java, Spring Boot, databases and scalable architecture, written from real production experience.

About the Author

Pratik Bhuite - Full Stack & Backend Engineer

I founded ADevGuide in 2019 to document real problems I solved as a developer. I work daily with Java, Spring Boot, distributed systems and AI tooling, and I distill that production experience into structured learning paths. Connect on GitHub and LinkedIn.

About This Blog

This blog started as my personal notebook - a place to document what I learn, what I want to learn, and the problems I solve daily as a developer. Over time, it has grown into a resource for others on the same journey.

As technology evolves, so does the content creation process. Most of the newer posts on this site are written with the assistance of AI tools and coding agents. While the content is reviewed and curated, please use these posts as a reference and a valid starting point for your own research. Always verify critical implementation details, especially for production systems.

What We Cover

ADevGuide provides practical, real-world guidance on:

• System Design Interviews - Requirements, trade-offs, capacity planning, and end-to-end architecture walkthroughs
• Java & Design Patterns - SOLID principles, creational patterns, structural patterns, and production decision guides
• Spring Boot & Spring Framework - Configuration, annotations, validation, rate limiting, and best practices
• DevOps & Tools - Docker, Git, Linux commands, and development workflows
• Software Architecture - Caching, sharding, hashing, load balancing and scalability patterns
• AI Engineering - MCP, RAG, agent skills and practical LLM workflows

Topics You’ll Find

• Design Patterns: Factory, Singleton, Builder, Adapter, Composite, Prototype, and more
• Spring Boot: Annotations, configuration, validation, interview prep
• Development Tools: Docker commands, Git workflows, Linux basics
• Java Fundamentals: Pass by value, interfaces, regular expressions, string handling
• Problem Solving: LeetCode solutions in Java with optimized approaches

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Happy coding! 🚀