Blogs
In-depth articles, tutorials, and interview prep from the IT Defined team
DevOps
DevOps x AI: Revolutionizing Software Delivery & Operations
AI is transforming DevOps, making software delivery smarter and more efficient. Discover how AIOps, Large Language Models in …
Backend Development
Java Spring Boot Interview Questions for Freshers & Junior Developers
Ace your Java Spring Boot interviews with these scenario-based questions and answers. This guide focuses on practical problems …
Software Testing
Your Roadmap to a Thriving Software Testing Career: Manual QA to SDET
Embark on a dynamic software testing career, starting with manual QA and evolving into an SDET. This guide …
Mobile Development
Mobile App Development in 2026: React Native vs Flutter vs Native (Career View)
Explore the future of mobile app development in 2026, comparing React Native, Flutter, and Native (Kotlin/Swift) from a …
Cyber Security
Navigating Cloud Security Incidents: A Fresher's Guide to Real-World Response
Cloud security incidents are a reality. This post walks freshers through a common real-world scenario—a misconfigured S3 bucket—and …
Cloud Computing
Cloud Engineering for Freshers: AWS, Azure, GCP Fundamentals & On-Call Insights
Dive into Cloud Engineering fundamentals for AWS, Azure, and GCP, tailored for Indian freshers. Learn core concepts, modern …
Web Development
MERN/JavaScript Interview Deep-Dive: Real-World Scenarios for Freshers
Master MERN and JavaScript interviews by understanding how concepts like the Event Loop, state management, and API design …
DevOps
DevOps and AI: Revolutionizing Software Delivery with AIOps and LLMs
Discover how AI is transforming DevOps practices with AIOps, LLMs in CI/CD, and GenAI for SRE. This guide …
Backend Development
Mastering Java Spring Boot: Scenario-Based Interview Questions for Freshers
Ace your next Java Spring Boot interview! This post covers essential scenario-based questions on dependency injection, REST APIs, …
Software Testing
Software Testing Career Path: Manual QA to SDET & Automation
Explore the dynamic software testing career path, from foundational manual QA to advanced SDET and automation roles. Learn …
Mobile Development
Mobile App Development in 2026: React Native, Flutter, Native (Career View)
Explore the future of mobile app development in 2026, comparing career prospects for Native (Kotlin/Swift), React Native, and …
Cyber Security
Cloud Security Incident: A Fresher's Guide to Real-World Response
Dive into a real-world cloud security incident and learn how freshers can contribute to incident response. This post …
Cloud Computing
Cloud Engineering for Freshers: AWS, Azure, GCP Fundamentals & On-Call Insights
Dive into Cloud Engineering fundamentals for freshers, covering AWS, Azure, and GCP basics. Learn essential concepts like Infrastructure …
Web Development
MERN JavaScript Interview Deep-Dive: Real Production Scenarios for Freshers
Ace your MERN stack interviews by understanding how JavaScript, React, Node.js, and MongoDB concepts apply in real-world production …
DevOps
DevOps à AI: AIOps, LLMs in CI/CD, GenAI for SRE â The Future of Tech
Dive into how AI is revolutionizing DevOps practices, from intelligent operations (AIOps) to smart CI/CD pipelines with LLMs …
Backend Development
Java Spring Boot Interview Questions: Scenario-Based for Freshers & Early Careers
Crack your next Java Spring Boot interview! This post covers essential scenario-based questions on core concepts, data persistence, …
Software Testing
Software Testing Career Path: From Manual QA to SDET for Freshers
Discover the dynamic software testing career path in India, from foundational manual QA to advanced SDET roles. Learn …
Cyber Security
Cloud Security Incidents: A Fresher's Guide to Real-World Response
Understand a real-world cloud security incident like Capital One's breach and learn how freshers can contribute to incident …
Cloud Computing
Cloud Engineering for Freshers: AWS, Azure, GCP Fundamentals & On-Call Insights
Demystify cloud engineering for freshers. Explore AWS, Azure, and GCP basics, understand essential tools like Kubernetes and Terraform, …
Web Development
MERN Stack Interview Deep-Dive: Real-World JavaScript Scenarios for Freshers
Ace your MERN stack interviews by mastering real-world JavaScript, React, and Node.js challenges. This deep-dive covers practical scenarios …
Backend Development
Java Spring Boot Interview Q&A: Master Scenario-Based Challenges
Ace your Java Spring Boot interviews with our guide to scenario-based questions. Learn practical solutions for common challenges …
DevOps
DevOps x AI: Revolutionizing Software Delivery and Operations
Discover how AI is transforming DevOps, from AIOps enhancing system reliability to LLMs streamlining CI/CD pipelines and Generative …
Backend Development
Java Spring Boot Interview Questions: Scenario-Based Answers for Freshers
Ace your Java Spring Boot interviews with practical, scenario-based questions and expert answers. Master core concepts like dependency …
DevOps
Securing AWS Workloads in 2026: A DevSecOps Pipeline with Trivy, OPA, and AWS Security Hub
Build a real DevSecOps pipeline on AWS with shift-left security — SAST, container scanning, IaC scanning, runtime security, …
Interview Questions
AWS DevOps Interview Questions and Answers (60 Real Questions from 2026 Hiring)
60 real AWS DevOps interview questions from 2026 hiring rounds in Bangalore — fundamentals, scenario-based, and hands-on. Categorized …
DevOps
GitOps with ArgoCD on AWS EKS: The Production-Grade Setup
How to set up ArgoCD on AWS EKS for real production workloads — app-of-apps pattern, secrets, RBAC, SSO, …
AWS
AWS FinOps in 2026: How We Cut a Client's Bill by 47% Without Touching Code
A real AWS FinOps case study from Bangalore — how we identified $14,000/month in waste and reduced a …
Kubernetes
The 26-Lab Kubernetes Troubleshooting Playbook Every DevOps Engineer Needs
Real-world Kubernetes troubleshooting scenarios — CrashLoopBackOff, ImagePullBackOff, networking, OOMKilled, and 22 more. With kubectl commands and root causes.
AWS
EKS vs ECS vs Fargate: A Decision Guide for Indian Startups in 2026
Choosing between EKS, ECS, and Fargate for an Indian startup? Real cost comparison in INR, ap-south-1 pricing, and …
DevOps
AWS DevOps Agent Explained: How AI Is Replacing the On-Call Engineer in 2026
AWS launched DevOps Agent in April 2026. Here's what it actually does, how it works with MCP servers, …
DevOps
Build Your First End-to-End CI/CD Pipeline on AWS Using GitHub Actions, ECR, and EKS
A real-world tutorial for building a production CI/CD pipeline on AWS — push code to GitHub, build with …
DevOps
Terraform vs AWS CloudFormation in 2026: Which One Should You Actually Learn?
An honest comparison of Terraform and CloudFormation in 2026, with code examples, real cost differences, and which one …
AWS DevOps
AWS DevOps Roadmap 2026: From Beginner to Job-Ready in 6 Months
A realistic 6-month AWS DevOps roadmap for 2026 — what to learn each month, what to skip, and …
FSD
12-Factor Application Design Principles
The 12-Factor App isn’t a strict rulebook—it’s a set of battle-tested guidelines. You don’t have to follow all …
Devops
Setting Up Nginx with Certbot SSL
By following these steps, you've successfully set up Nginx as a reverse proxy for your MERN stack application …
General
Sprint Retrospectives
Sprint Retrospectives are an essential practice in Agile to drive continuous improvement and team collaboration. By reflecting on …
Web
SEO for Full Stack Engineers: A Comprehensive Guide
SEO is a critical skill for Full Stack Engineers. By optimizing both the front-end and back-end of your …
Javascript
A Complete Tutorial on TypeScript for JavaScript Developers
TypeScript is a powerful tool that brings static typing and advanced features to JavaScript, making your code more …
Database
SQExploring Different SQL Flavors: A Guide for Developers
SQL flavors offer developers a wide range of options to suit different use cases and requirements. Whether you’re …
Babble
Babble: A Powerful Tool for React Developers
Babble is a powerful tool that can greatly enhance the way React developers manage communication and state in …
Node
Working with RDS and S3 using Node.js
In this guide, we will learn how to: - Set up AWS S3 and RDS connections in Node.js. …
AWS Services
AWS Services Interview Questions for Web Development
AWS Services Interview Questions for Web Development
Git Push
Git Push
The git push command is an essential tool in Git for sharing code and collaborating effectively. By following …
Docker
Docker Interview Questions
These questions are a good mix of basic and intermediate concepts, which will test your knowledge of Docker …
Authentication, authorization
Authentication and Authorization in a MERN App
In conclusion, authentication and authorization are critical components of a secure MERN app. By understanding the principles, selecting …
Deployment
How to Deploy a MERN App to a Hosting Platform
Deploying a MERN stack application on AWS with Docker and GitHub Actions ensures a scalable, consistent, and automated …
First React App
Your First React Application
React provides an excellent foundation for building modern and dynamic web applications. With practice and dedication, you'll soon …
Interview questions
DevOps Top 30 Practical Interview Questions
Armed with these comprehensive answers, you can confidently tackle DevOps interviews and showcase your expertise in this transformative …
Development
Procedure to integrate Payment gateway with React JS
Integrating a payment gateway with a React JS application typically involves a series of steps.
