Need help in boosting your professional software developer career? Are you struggling with Jenkins pipelines, having a hard time learning Groovy programming language, or maybe you are interested in learning real-world Micronaut application examples? Or perhaps you are looking for some productivity tips for software developers? You are in the right place!

Hello! My name is Szymon Stepniak, and I do my best to help you become a better software developer. I create video tutorials, answer your questions, and I always try to respond to your requests and expectations.

Consider subscribing to my channel if you are interested in the high-quality video tutorials covering one of the topics listed below.

- Jenkins Pipelines
- Java, Groovy, and Clojure programming languages
- Micronaut Framework
- GraalVM
- DevOps
- Productivity tools for software developers
- and much more...

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What if Kurt Cobain was inspired by Maven and Java to write this song?
2:56
What if Kurt Cobain was inspired by Maven and Java to write this song?
Let The Code Speak For Itself | GeeCON Prague 2022 Teaser
0:56
Let The Code Speak For Itself | GeeCON Prague 2022 Teaser
What Makes Micronaut Framework So Unique? A Conversation with Graeme Rocher
47:27
What Makes Micronaut Framework So Unique? A Conversation with Graeme Rocher
Why I Stopped Using Jenkins Pipelines?
4:53
Why I Stopped Using Jenkins Pipelines?
Convert JSON To CSV in seconds with jq ⏱️
5:51
Convert JSON To CSV in seconds with jq ⏱️
What's New in Groovy 4.0?
16:22
What's New in Groovy 4.0?
Career Advice For Software Developers, Groovy vs Kotlin, and more!
7:39
Career Advice For Software Developers, Groovy vs Kotlin, and more!
Speed Up Groovy Script Execution 20x - GraalVM Tutorial 🚀
15:51
Speed Up Groovy Script Execution 20x - GraalVM Tutorial 🚀
Avoid These 5 Jenkins Pipeline Mistakes And Level Up Your Jenkins Experience! 🔥
16:56
Avoid These 5 Jenkins Pipeline Mistakes And Level Up Your Jenkins Experience! 🔥
Q&A #0: Hello, World! | #QnA
1:42
Q&A #0: Hello, World! | #QnA
Merging JSON documents in the command-line - jq tutorial
9:01
Merging JSON documents in the command-line - jq tutorial
Implementing OAuth 2.0 in a Java command-line app using Micronaut, Picocli, and GraalVM
33:17
Implementing OAuth 2.0 in a Java command-line app using Micronaut, Picocli, and GraalVM
Micronaut, GraalVM & Picocli - Build Native Java Command-Line Apps!
36:54
Micronaut, GraalVM & Picocli - Build Native Java Command-Line Apps!
Jenkins Pipeline For Multiple Java Versions Using Matrix Feature
19:43
Jenkins Pipeline For Multiple Java Versions Using Matrix Feature
Transforming, sorting, and grouping JSON documents in the command-line - jq tutorial
9:45
Transforming, sorting, and grouping JSON documents in the command-line - jq tutorial
Learn Groovy by implementing a Brainf**k interpreter! | Groovy Tutorial
32:51
Learn Groovy by implementing a Brainf**k interpreter! | Groovy Tutorial
10 Things You Can Do With Groovy Closures!
26:08
10 Things You Can Do With Groovy Closures!
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 4) - threading macro, binary string
21:58
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 4) - threading macro, binary string
Jenkins Pipeline Environment Variables: A Comprehensive Guide
16:44
Jenkins Pipeline Environment Variables: A Comprehensive Guide
Jenkins Pipeline for Java using Maven and Docker
17:43
Jenkins Pipeline for Java using Maven and Docker
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 3) - drop-while, anonymous functions
11:14
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 3) - drop-while, anonymous functions
Groovy DSL scripts in 20 minutes for beginners
23:02
Groovy DSL scripts in 20 minutes for beginners
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 2) - map-indexed function, REPL
12:07
CodeWars Coding Challenge ⚔️🔥 Clojure Programming Kata (Part 2) - map-indexed function, REPL
How to run a class with the name class on a JVM
3:55
How to run a class with the name class on a JVM
CodeWars Coding Challenge ⚔️🔥 - Clojure Programming Kata (Part 1)
16:50
CodeWars Coding Challenge ⚔️🔥 - Clojure Programming Kata (Part 1)
GitHub CLI - Manage Your GitHub Repository From the Command-Line
5:26
GitHub CLI - Manage Your GitHub Repository From the Command-Line
jq tutorial: Beginners Guilde To Parsing JSON from the Command-Line (Part 1)
6:33
jq tutorial: Beginners Guilde To Parsing JSON from the Command-Line (Part 1)
Unexpected Error #0: bloopers compilation (February 2020)
2:59
Unexpected Error #0: bloopers compilation (February 2020)
Groovy Tutorial | Working with YAML in Groovy 3
2:47
Groovy Tutorial | Working with YAML in Groovy 3
Groovy Tutorial | Avoiding NPE with @NullCheck annotation
4:21
Groovy Tutorial | Avoiding NPE with @NullCheck annotation