Learn With Ifte

@UCcSTgdIqPY85a4wSo1TXM0g - 3.9K subscribers

Hi, I'm Iftekhar Hossain—Senior Java Engineer specializing in Spring Boot, Microservices, and Cloud-Native Architecture. On this channel, I document production-ready patterns for scaling backend systems. 👨‍💻 Available for Contracts: I help SaaS companies build, secure, and scale their Java backends. Core Stack: Java, Spring Boot, PostgreSQL, Docker, AWS. Specialties: System Design, API Security, and Legacy Migration. 📩 Contact: [email protected] 🔗 Connect: www.linkedin.com/in/hossain-md-iftekhar ✅ For Branding & Business Inquiries ► [email protected]

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Claude Code Full-Stack Tutorial: Spring Boot + React + PostgreSQL (Real Dev Experience)

Claude Code Full-Stack Tutorial: Spring Boot + React + PostgreSQL (Real Dev Experience) Learn With Ifte

1.1K views - 1 month ago

How Spring Security Filters Actually Work?

How Spring Security Filters Actually Work? Learn With Ifte

585 views - 1 month ago

SecurityContextHolder Deep Dive: How Authentication Persist Across Requests

SecurityContextHolder Deep Dive: How Authentication Persist Across Requests Learn With Ifte

220 views - 2 months ago

Spring Security Internal Architecture: How Authentication Actually Works

Spring Security Internal Architecture: How Authentication Actually Works Learn With Ifte

486 views - 2 months ago

Google Authenticator in Spring Boot | JWT + Redis Security Architecture

Google Authenticator in Spring Boot | JWT + Redis Security Architecture Learn With Ifte

838 views - 4 months ago

Spring Boot Rate Limiting: Prevent DDoS Attacks in Minutes

Spring Boot Rate Limiting: Prevent DDoS Attacks in Minutes Learn With Ifte

1.6K views - 5 months ago

Spring Boot Docker Compose: Production-Ready in One Command

Spring Boot Docker Compose: Production-Ready in One Command Learn With Ifte

848 views - 5 months ago

Dockerize Spring Boot Application (Multi-Stage Build)

Dockerize Spring Boot Application (Multi-Stage Build) Learn With Ifte

2.5K views - 6 months ago

🚀 Master Keycloak + Spring Boot 3 Security | 90-Min Production OAuth2 Project 2026

🚀 Master Keycloak + Spring Boot 3 Security | 90-Min Production OAuth2 Project 2026 Learn With Ifte

7.7K views - 7 months ago

Spring Boot & MongoDB Tutorial: Create a CRUD REST API

Spring Boot & MongoDB Tutorial: Create a CRUD REST API Learn With Ifte

390 views - 8 months ago

Spring Boot & MongoDB CRUD Tutorial: Using MongoTemplate

Spring Boot & MongoDB CRUD Tutorial: Using MongoTemplate Learn With Ifte

301 views - 8 months ago

Spring Data JPA Made Easy: A Beginner's Guide to Repositories

Spring Data JPA Made Easy: A Beginner's Guide to Repositories Learn With Ifte

384 views - 9 months ago

Spring Boot Validation Done Right | Custom Annotations Explained

Spring Boot Validation Done Right | Custom Annotations Explained Learn With Ifte

761 views - 9 months ago

The Easy Way to Validate Data in Your Spring Boot App

The Easy Way to Validate Data in Your Spring Boot App Learn With Ifte

565 views - 10 months ago

Configure PostgreSQL & Create JPA Entities from Scratch

Configure PostgreSQL & Create JPA Entities from Scratch Learn With Ifte

436 views - 10 months ago

JPA vs Hibernate Which One Should You Use Today?

JPA vs Hibernate Which One Should You Use Today? Learn With Ifte

1.1K views - 11 months ago

Spring Boot AI Image Generation Tutorial (ChatGPT, DALL-E, Thymeleaf)

Spring Boot AI Image Generation Tutorial (ChatGPT, DALL-E, Thymeleaf) Learn With Ifte

552 views - 11 months ago

ChatGPT & Spring AI: Your First AI App

ChatGPT & Spring AI: Your First AI App Learn With Ifte

378 views - 11 months ago

Spring Boot 3 JWT: Role-Based Access Control Made Easy

Spring Boot 3 JWT: Role-Based Access Control Made Easy Learn With Ifte

3.2K views - 1 year ago

RSA JWT Authentication in Spring Boot 3 | Production-Ready Security

RSA JWT Authentication in Spring Boot 3 | Production-Ready Security Learn With Ifte

1.7K views - 1 year ago

Implement JWT Authentication in Spring Boot 3 Without External Libraries

Implement JWT Authentication in Spring Boot 3 Without External Libraries Learn With Ifte

945 views - 1 year ago

Your Controllers Are Too Bloated — Move Error Handling Here

Your Controllers Are Too Bloated — Move Error Handling Here Learn With Ifte

2.2K views - 1 year ago

The Input Validation Framework Every Spring Boot Dev Needs

The Input Validation Framework Every Spring Boot Dev Needs Learn With Ifte

1K views - 1 year ago

Build Your First Spring Boot API — Full CRUD Step-by-Step

Build Your First Spring Boot API — Full CRUD Step-by-Step Learn With Ifte

2.7K views - 1 year ago

Spring Security: Manage JWT with Redis (Step-by-Step)

Spring Security: Manage JWT with Redis (Step-by-Step) Learn With Ifte

2.6K views - 1 year ago

Implement JWT Auth with Refresh Tokens in Spring Security (Full Tutorial)

Implement JWT Auth with Refresh Tokens in Spring Security (Full Tutorial) Learn With Ifte

9.8K views - 1 year ago

Spring Data JPA Crash Course

Spring Data JPA Crash Course Learn With Ifte

1.9K views - 1 year ago

In-Memory Authentication Setup | Spring Boot Security Tutorial

In-Memory Authentication Setup | Spring Boot Security Tutorial Learn With Ifte

506 views - 1 year ago

Build OAuth 2.0 Google Login in Spring Boot - Complete Authentication Tutorial 2026

Build OAuth 2.0 Google Login in Spring Boot - Complete Authentication Tutorial 2026 Learn With Ifte

4.9K views - 1 year ago

Spring Boot Registration System: Secure Login + Email Confirmation

Spring Boot Registration System: Secure Login + Email Confirmation Learn With Ifte

4.8K views - 1 year ago

Spring Security Passkey Login – Say Goodbye to Passwords!

Spring Security Passkey Login – Say Goodbye to Passwords! Learn With Ifte

1.6K views - 1 year ago

Passwordless Login in Spring Security with One-Time Token

Passwordless Login in Spring Security with One-Time Token Learn With Ifte

466 views - 1 year ago

Setting Up Your First Spring Security Application

Setting Up Your First Spring Security Application Learn With Ifte

904 views - 1 year ago

Upload image to Spring Boot and display it with Thymeleaf

Upload image to Spring Boot and display it with Thymeleaf Learn With Ifte

2.1K views - 1 year ago

Spring Boot RESTful API in 10 Minutes: From Zero to Running

Spring Boot RESTful API in 10 Minutes: From Zero to Running Learn With Ifte

934 views - 1 year ago

Spring Boot 3 Full-Stack Web App Tutorial: From Setup to CRUD Operations

Spring Boot 3 Full-Stack Web App Tutorial: From Setup to CRUD Operations Learn With Ifte

4.1K views - 1 year ago

Git Checkout Tutorial: Master Switching Between Commits and Branches

Git Checkout Tutorial: Master Switching Between Commits and Branches Learn With Ifte

534 views - 1 year ago

Git Show Tutorial: Inspect Commits and View Changes with 'git show' and 'git ls-tree'

Git Show Tutorial: Inspect Commits and View Changes with 'git show' and 'git ls-tree' Learn With Ifte

314 views - 1 year ago

Navigating Commit History with git log: GIt Mastery

Navigating Commit History with git log: GIt Mastery Learn With Ifte

448 views - 1 year ago

Removing and Ignoring Files in Git

Removing and Ignoring Files in Git Learn With Ifte

123 views - 1 year ago

[Git Mastery] Staging Area — Add, Reset, Undo Mistakes (Live Demo).

[Git Mastery] Staging Area — Add, Reset, Undo Mistakes (Live Demo). Learn With Ifte

172 views - 1 year ago

Your First Commit: Initiating Repositories Like a Pro

Your First Commit: Initiating Repositories Like a Pro Learn With Ifte

127 views - 1 year ago

Git Setup: Setting Up, Configuring, and Choosing the Right Tool

Git Setup: Setting Up, Configuring, and Choosing the Right Tool Learn With Ifte

239 views - 1 year ago

Git Mastery: Why Version Control Matters

Git Mastery: Why Version Control Matters Learn With Ifte

223 views - 1 year ago

Spring Boot OAuth 2.0 Login with GitHub

Spring Boot OAuth 2.0 Login with GitHub Learn With Ifte

838 views - 1 year ago

Dynamic insert update in spring data jpa

Dynamic insert update in spring data jpa Learn With Ifte

496 views - 1 year ago

Flyway-Your Database Version Control | Spring Boot

Flyway-Your Database Version Control | Spring Boot Learn With Ifte

1.5K views - 1 year ago

Native Queries in Spring Boot - Real-World Examples

Native Queries in Spring Boot - Real-World Examples Learn With Ifte

2.8K views - 1 year ago

How to Write Effective JUnit Tests for Spring Data JPA CRUD Operation

How to Write Effective JUnit Tests for Spring Data JPA CRUD Operation Learn With Ifte

1.8K views - 1 year ago

Implementing Secure Refresh Tokens in Spring Boot | #2 | Spring Boot JWT

Implementing Secure Refresh Tokens in Spring Boot | #2 | Spring Boot JWT Learn With Ifte

3.1K views - 2 years ago

Implementing Secure Refresh Tokens in Spring Boot | #1 | Spring Boot JWT

Implementing Secure Refresh Tokens in Spring Boot | #1 | Spring Boot JWT Learn With Ifte

7K views - 2 years ago

React JS Fundamentals - Build Interactive Web Apps Fast

React JS Fundamentals - Build Interactive Web Apps Fast Learn With Ifte

310 views - 2 years ago

Spring Boot OAuth 2.0 Login with Microsoft Azure

Spring Boot OAuth 2.0 Login with Microsoft Azure Learn With Ifte

8.3K views - 2 years ago

JWT Logout: The Trick You Missed in Spring Security (Solved!)

JWT Logout: The Trick You Missed in Spring Security (Solved!) Learn With Ifte

12K views - 2 years ago

Spring Security Fix: 401 vs 403 for JWT Authentication (May Be You're Doing It Wrong!)

Spring Security Fix: 401 vs 403 for JWT Authentication (May Be You're Doing It Wrong!) Learn With Ifte

13K views - 2 years ago

Easy JWT Authentication & Authorization with Spring Security | Step-by-Step Guide

Easy JWT Authentication & Authorization with Spring Security | Step-by-Step Guide Learn With Ifte

89K views - 2 years ago

Never Waste Time on CSV Exports Again

Never Waste Time on CSV Exports Again Learn With Ifte

1K views - 2 years ago

Spring Security 6 Database Authentication: From Login Request to Verified User

Spring Security 6 Database Authentication: From Login Request to Verified User Learn With Ifte

4.4K views - 2 years ago

Spring Security 6: Build a Custom Login Page That Actually Looks Good

Spring Security 6: Build a Custom Login Page That Actually Looks Good Learn With Ifte

8.6K views - 2 years ago

Boost Your User Experience: Spring Security Social Login in 5 Easy Steps

Boost Your User Experience: Spring Security Social Login in 5 Easy Steps Learn With Ifte

8.1K views - 2 years ago