Java
Mastering @RequestHeader in Spring Boot
Learn how to use @RequestHeader in Spring Boot to handle HTTP headers for authentication, metadata, and client information with practical real-world examples.
AY
Ayush Shrivastava
4/21/2026
Welcome to Masteringbackend
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Mastering the art of server-side engineering. Deep dives into system design, databases, and scalable architecture.
Latest Articles
Java
Mastering @RequestParam in Spring Boot
Learn how to use @RequestParam in Spring Boot to handle query parameters effectively with practical examples from real-world scenarios like search, filtering, and pagination.
AY
Ayush Shrivastava
4/16/2026
Java
8 min read
@PathVariable in Spring Boot: How to Use It, With Examples
How to use @PathVariable in Spring Boot, with runnable examples covering multiple variables, optional values, regex patterns, type conversion errors, validation, and when to use @RequestParam instead.
AY
Ayush Shrivastava
9/6/2026
AI
Implementing Rate Limiting for AI APIs
This guide walks through how API rate limiting works and how you can implement it in real-world systems.
TO
Toluwanimi Fawole
4/22/2026
AI
Difference Between OpenAI API Key and Azure OpenAI API Key
In this article, we will understand the difference between OpenAI API keys and Azure OpenAI API keys.
AY
Ayush Shrivastava
4/8/2026
AI
How to Create an Azure OpenAI Resource and Deploy Your First Model
In this article, you will learn how to create an Azure OpenAI resource, deploy a model, and get the API key required to use the service in your application.
AY
Ayush Shrivastava
4/6/2026
Backend
9 min read
The Best Books Every Backend Developer Should Read
Frameworks change every year. The ideas underneath them do not. These five books cover the parts of backend engineering that stay true across languages, and each one earns its place for a different reason.
AM
Amanda Ene Adoyi
8/20/2026
Database
19 min read
Chat Application Database Design: Schema, Queries, and Scale
A working chat application database design in PostgreSQL, with the tables, foreign keys, and indexes that hold up. Covers keyset pagination, Redis caching, read receipts, conversation titles, and the order to fix things when the message table gets large.
TO
Toluwanimi Fawole
9/4/2026
AI
Authentication & Session Management for AI Apps
This guide breaks down how authentication works in AI applications and how to manage sessions securely at scale.
TO
Toluwanimi Fawole
3/13/2026
Backend
Understanding and Avoiding N + 1 Queries
As a backend developer, you’re likely to feel like the best developer in the room when your server is fast, allowing you to fetch and use data in record time.
AM
Amanda Ene Adoyi
3/5/2026
Python
Structuring AI Microservices in Python
From folder structure to deployment basics, the reasons why each boundary exists. These choices directly affect scalability, deployment speed, and system reliability. This guide focuses on practical decisions that help your AI services stay reliable as they grow.
TO
Toluwanimi Fawole
3/4/2026
AI
How to Debug AI Backend Systems
In this article, we will delve into Observability in AI systems. We will explore the fundamental problem, why your current logging system will fail you, how to build a proper observation system for AI systems, and finally, the debugging workflow that actually works.
SO
Solomon Eseme
3/2/2026
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