Rajkumar Savani Avatar

Rajkumar Savani

Senior Full Stack Engineer

I build and modernize full-stack platforms using Java, React, and AI-driven workflows. 10+ years in banking, logistics, and healthcare.

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Articles tagged #Backend

Showing 2 articles

Topics:
All Posts#API Design#Architecture#Backend#Best Practices#Code Quality#Database#DevOps#Event-Driven#Java#Microservices#Performance#PostgreSQL#REST API#Spring Boot#System Design
Sep 30, 2026·4 min read
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Designing Idempotent APIs: A Practical Guide for Backend Engineers

Why idempotency is critical for distributed systems, how to implement an idempotency key in your REST API, and the common edge cases you'll encounter in production.

#API Design#Architecture#Backend#Best Practices
Sep 28, 2026·4 min read
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Database Indexing Strategies: Beyond the Basics for Backend Developers

Creating a B-Tree index on every column isn't a strategy. Learn how to actually optimize database performance with composite indexes, covering indexes, and understanding when NOT to index.

#Database#Performance#PostgreSQL#Backend

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