LeetJourney - Invidious

LeetJourney

Welcome! 👋 You're in the right place if you want to ace your technical interviews and level up as a software engineer.

I'm a Senior Software Engineer with years of hands-on experience at multiple tech companies. I created this channel to share the tips, knowledge, and real-world insights I wish I had when I was starting out — from AI, Java, Spring Boot, and system design, to interview prep and career advice.

Whether you're a student, a junior dev, or someone aiming to break into the industry, there's something here for you.

Subscribe and let's grow together as engineers. 🚀

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6:01

Spring Boot 4 - Actuator Endpoints (Part 13) | Beginner to Intermediate - REST API

LeetJourney

Shared 11 hours ago

25 views

3:27

Spring Boot 4 - Spring Profiles (Part 12) | Beginner to Intermediate - REST API

LeetJourney

Shared 14 hours ago

9 views

9:10

Spring Boot 4 - Application Properties (Part 11) | Beginner to Intermediate - REST API

LeetJourney

Shared 1 day ago

23 views

10:09

Spring Boot 4 - Entity Relationships (Part 10) | Beginner to Intermediate - REST API

LeetJourney

Shared 2 days ago

106 views

9:03

Spring Boot 4 - Filtering (Part 9) | Beginner to Intermediate - REST API

LeetJourney

Shared 1 week ago

203 views

6:25:28

Spring Boot 4 - Microservices portfolio project with Java - Full Course (2026)

LeetJourney

Shared 3 weeks ago

6.6K views

20:44

Spring Boot 4 Microservices Project - Home Energy Tracker - Testcontainers (Part 15 - FINAL)

LeetJourney

Shared 3 weeks ago

184 views

16:02

Spring Boot 4 Microservices Project - Home Energy Tracker - Observability (Part 14)

LeetJourney

Shared 3 weeks ago

205 views

18:18

Spring Boot 4 Microservices Project - Home Energy Tracker - Open API Docs and Swagger UI (Part 13)

LeetJourney

Shared 1 month ago

375 views

15:58

Spring Boot 4 Microservices Project - Home Energy Tracker - JWT & Keycloak OAuth2 (Part 12)

LeetJourney

Shared 1 month ago

364 views

4:07

Spring Boot 4 Microservices Project - Home Energy Tracker - AI AGENTS.md File (Part 11)

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Shared 1 month ago

209 views

18:11

Spring Boot 4 Microservices Project - Home Energy Tracker - Circuit Breaker Pattern (Part 10)

LeetJourney

Shared 1 month ago

249 views

13:14

Spring Boot 4 Microservices Project - Home Energy Tracker - API Gateway (Part 9)

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Shared 1 month ago

550 views

10:14

Spring Boot 4 - Pagination and Sorting (Part 8) - JPA | Beginner to Intermediate - REST API

LeetJourney

Shared 2 months ago

473 views

10:29

Spring Boot 4: The NEW Way to Call REST APIs (HTTP Interface Client Explained)

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Shared 2 months ago

757 views

42:24

Spring Boot 4 Microservices Project - Home Energy Tracker - Insight Service & Ollama (Part 8)

LeetJourney

Shared 4 months ago

510 views

10:58

Spring Boot 4 - DTOs - Data Transfer Objects (Part 7) | Beginner to Intermediate - REST API

LeetJourney

Shared 4 months ago

452 views

5:59

Spring Boot 4 - Input Validation (Part 6) | Beginner to Intermediate - Jakarta Bean Validation

LeetJourney

Shared 4 months ago

375 views

24:01

Most Asked Spring Boot Interview Questions & Answers (in 2026)

LeetJourney

Shared 4 months ago

1.5K views

12:43

Spring Boot 4 - Exceptions (Part 5) | Beginner to Intermediate - REST API

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Shared 4 months ago

423 views

23:25

Spring Boot 4 Microservices Project - Home Energy Tracker - Alert Service & Mailpit SMTP (Part 7)

LeetJourney

Shared 4 months ago

442 views

9:42

Spring Boot 4 - Service Layer (Part 4) | Beginner to Intermediate - REST API

LeetJourney

Shared 4 months ago

462 views

56:26

Spring Boot 4 Microservices Project - Home Energy Tracker - Usage Service & Influx DB (Part 6)

LeetJourney

Shared 4 months ago

479 views

26:19

Spring Boot 4 - Spring Data JPA (Part 3) | Beginner to Intermediate - REST API

LeetJourney

Shared 4 months ago

571 views

12:59

I Vibe Coded a Live Flight Tracker in 10 minutes - Google Antigravity

LeetJourney

Shared 4 months ago

552 views

16:11

Spring Boot 4 - CRUD Endpoints (Part 2) | Beginner to Intermediate - REST API

LeetJourney

Shared 4 months ago

762 views

8:48

Spring Boot 4 - Project Structure and Rest Controller (Part 1) | Beginner to Intermediate - REST API

LeetJourney

Shared 4 months ago

1.8K views

42:04

Spring Boot 4 Microservices Project - Home Energy Tracker - Ingestion Service & Kafka (Part 5)

LeetJourney

Shared 5 months ago

668 views

11:19

How to run Kafka KRaft Mode - with Kafbat UI - Docker Compose

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Shared 5 months ago

1.3K views

13:04

Spring Boot - Full Microservices Course - Ticketing System - Open API & Swagger (Part 9)

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Shared 5 months ago

296 views

9:50

Spring Boot - Full Microservices Course - Ticketing System - Circuit Breaker & Resilience4J (Part 8)

LeetJourney

Shared 5 months ago

191 views

11:36

Spring Boot - Full Microservices Course - Ticketing System - Keycloak & JWT (Part 7)

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Shared 5 months ago

234 views

12:27

Spring Boot - Full Microservices Course - Ticketing System - API Gateway (Part 6)

LeetJourney

Shared 5 months ago

206 views

17:36

Spring Boot - Full Microservices Course - Ticketing System - Order Service (Part 5)

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Shared 5 months ago

150 views

13:24

Spring Boot - Full Microservices Course - Ticketing System - Kafka (Part 4)

LeetJourney

Shared 5 months ago

208 views

33:22

Spring Boot - Full Microservices Course - Ticketing System - Booking Service (Part 3)

LeetJourney

Shared 5 months ago

322 views

9:02

Spring Boot - Full Microservices Course - Ticketing System - Flyway and DB Migration (Part 2)

LeetJourney

Shared 5 months ago

293 views

21:18

Spring Boot - Full Microservices Course - Ticketing System - Inventory Service (Part 1)

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Shared 5 months ago

1.5K views

34:40

Spring Boot 4 - Full Microservices course - Home Energy Tracker - Device Service (Part 4)

LeetJourney

Shared 5 months ago

644 views

10:21

Spring Boot 4 - Full Microservices course - Home Energy Tracker - Migration Guide (Part 3)

LeetJourney

Shared 5 months ago

509 views

9:56

How to migrate to Spring Boot 4

LeetJourney

Shared 5 months ago

2.5K views

53:15

Spring Boot 4 - Full Microservices course - Home Energy Tracker - User Service (Part 2)

LeetJourney

Shared 5 months ago

1.3K views

5:57

Spring Boot 4 - What's new in this release?

LeetJourney

Shared 5 months ago

3.7K views

16:48

Spring Boot 4 - Full Microservices course - Home Energy Tracker - System Design (Part 1)

LeetJourney

Shared 5 months ago

2.4K views

30:36

Java for coding interviews - 30 Minutes Crash Course

LeetJourney

Shared 6 months ago

539 views

19:23

Load Testing a Spring Boot REST API (with JMeter)

LeetJourney

Shared 6 months ago

984 views

20:54

How to build an MCP Server with Spring AI (with MCP Host set up in Claude Desktop)

LeetJourney

Shared 6 months ago

1.1K views

4:41

MCP Explained - Model Context Protocol - MCP Server vs MCP Host vs MCP Client

LeetJourney

Shared 6 months ago

1K views

29:40

How Brilliant Helped Me Build an Image Processing API (Spring Boot Tutorial)

LeetJourney

Shared 6 months ago

583 views

11:26

How to mock APIs using Postman - Mock Servers

LeetJourney

Shared 7 months ago

345 views

4:37

Authentication 101 - When to use which? Bearer, OAuth2, JWT, Kerberos, SSO

LeetJourney

Shared 7 months ago

663 views

28:57

JWT Authentication with Spring Security | Full Spring Boot Example

LeetJourney

Shared 7 months ago

7.8K views

17:37

Spring Security - Login Form

LeetJourney

Shared 8 months ago

734 views

49:20

Spring Boot Stock Tracker - Portfolio Project - REST API

LeetJourney

Shared 8 months ago

3.1K views

10:26

Time Limiter in Resilience4j | Stop Long-Running Calls in Spring Boot

LeetJourney

Shared 9 months ago

398 views

8:15

Retry Mechanism - Resilience 4J + Spring Boot Implementation Example

LeetJourney

Shared 9 months ago

562 views

9:56

API Rate Limiter - Resilience4J + Spring Boot Implementation Example

LeetJourney

Shared 10 months ago

1.5K views

12:27

Circuit Breaker Pattern - Resilience4J + Spring Boot Implementation Example

LeetJourney

Shared 10 months ago

1K views

12:40

Spring AI Intro: Integrate LLM in Spring Boot with Ollama (with OllamaChatModel)

LeetJourney

Shared 10 months ago

1.1K views

15:10

What is Aspect Oriented Programming (AOP) in Spring Boot - Code Example

LeetJourney

Shared 11 months ago

3.4K views