Harsh Shah – Medium

Harsh Shah

Migrating Spring Boot 1.5 to 3.4: What Actually Broke and How We Fixed It

Last month, we wrapped up migrating a legacy Spring Boot 1.5.x application to 3.4.x. What started as a “routine upgrade” turned into a…

Nov 1

Migrating Spring Boot 1.5 to 3.4: What Actually Broke and How We Fixed It

Nov 1

Mastering Observability in Spring Boot Microservices: A Production-Ready Guide

How we built a comprehensive observability stack that reduced our MTTR from 45 minutes to 3 minutes

Sep 21

Mastering Observability in Spring Boot Microservices: A Production-Ready Guide

Sep 21

API Security Hardening: Building Fortress-Level Java APIs in Production

A comprehensive guide to implementing enterprise-grade security measures for Java REST APIs

Aug 29

API Security Hardening: Building Fortress-Level Java APIs in Production

Aug 29

Design Patterns for Enterprise Java Applications: A Modern Guide

Introduction

Aug 9

Design Patterns for Enterprise Java Applications: A Modern Guide

Aug 9

Java Microservices Architecture Guide: Spring Boot Best Practices for Production 2025

Complete implementation guide with REST APIs, Docker deployment, and real-world performance optimization strategies for enterprise Java…

Jul 26

Java Microservices Architecture Guide: Spring Boot Best Practices for Production 2025

Jul 26

Database Connection Pool Optimization: From 500 Errors to 99.9% Uptime

How we eliminated connection timeouts, reduced response times by 40%, and achieved sub-second database failover in production

Jul 5

Database Connection Pool Optimization: From 500 Errors to 99.9% Uptime

Jul 5

Building Secure Multi-Tenant Applications with Spring Boot: A Complete Implementation Guide

This guide provides a production-ready multi-tenant architecture using Spring Boot with three isolation strategies: shared database with…

Jun 28

Building Secure Multi-Tenant Applications with Spring Boot: A Complete Implementation Guide

Jun 28

Why Your Spring Boot App is One Security Breach Away from Disaster (And How RBAC Can Save It)

Every day, 4,800 websites are compromised due to inadequate access control. Don’t let yours be next.

Jun 15

Why Your Spring Boot App is One Security Breach Away from Disaster (And How RBAC Can Save It)

Jun 15

Spring Boot Security Best Practices: A Developer’s Complete Guide

Protect your application from SQL injection, XSS, and other common vulnerabilities while passing security audits

Jun 7

Spring Boot Security Best Practices: A Developer’s Complete Guide

Jun 7

Implementing Secure Offline Licensing for Spring Boot Applications in Dark Room Environments

In today’s security-conscious world, many organizations operate in what are known as “dark room” environments — completely air-gapped…

Apr 27

Implementing Secure Offline Licensing for Spring Boot Applications in Dark Room Environments

Apr 27

Harsh Shah

Harsh Shah

Java Developer | Java • Spring Boot • AWS | Performance Optimization | Building Web Applications LinkedIn: https://www.linkedin.com/in/harsh-shah-403368152/

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