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Szymon Stępniak

Szymon Stępniak

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Rising Codementor
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ABOUT ME
I walk through e.printStackTrace() so you don't have to.
I walk through e.printStackTrace() so you don't have to.

Software Developer with +12 years of professional experience. Freelancer, currently working as a Platform Engineer for Upwork Global Inc. Toruń JUG (Java User Group) founder. Blogging at https://e.printstacktrace.blog

Polish, English
Warsaw (+01:00)
Joined January 2018
EXPERTISE
Groovy
8 years experience
I have learnt Groovy back in 2012 when I have started a new job position. I use Groovy on my daily basis since then, including Spring Boo...
I have learnt Groovy back in 2012 when I have started a new job position. I use Groovy on my daily basis since then, including Spring Boot RESTful applications, full-stack Grails apps as well as scripts and utilities (like web crawlers, Jenkins pipelines etc.)
Spring BootGradleGORM
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Spring BootGradleGORMGparsSpock frameworkTest driven developmentJenkinsGrails
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Jenkins
4 years experience
I have a broad experience in building Jenkins integration and deployment pipelines (declarative and scripted pipelines) - building, runni...
I have a broad experience in building Jenkins integration and deployment pipelines (declarative and scripted pipelines) - building, running tests and gathering test reports, preparing deployable artifacts, running releases and deployments.
AutomationContinuous IntegrationContinuous Deployment
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AutomationContinuous IntegrationContinuous DeploymentTest AutomationDeployment automation
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Grails
5 years experience
I was working as a full-stack developer for a few years. In that time I have successfully built several Grails applications, from simple ...
I was working as a full-stack developer for a few years. In that time I have successfully built several Grails applications, from simple websites to more complicated web applications for the medical industry, advertisement industry and similar.
Back-EndGroovyJava
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Back-EndGroovyJavaFront-End
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Java
8 years experience
I'm working with different technologies on JVM, like Java 8+, Groovy, Spring Boot, Micronaut, Dropwizard, Grails, Hibernate, JPA, and man...
I'm working with different technologies on JVM, like Java 8+, Groovy, Spring Boot, Micronaut, Dropwizard, Grails, Hibernate, JPA, and many others.
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REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
GitHub
wololock.github.io
Repository with the source code of my programming blog
CSS
4
0
ratpack-quickstart-demo
Source code for "Practical quickstart to Ratpack" presentation.
Groovy
4
0
Stack Overflow
29929 Reputation
9
74
104
Community Posts
TOP 10 Groovy Closure usage examples - users choice
A couple of months ago, I asked Groovy users on Twitter about their favorite example of using Groovy closures. My goal was to collect some data, process it, and write a blog post. Unfortunatelly, it never happened.
Jenkins Pipeline Environment Variables - complete guide (video)
In this video, I explain most important things you need to know when you start working with environment variables in your Jenkins Pipelines (pipeline as a code.)
5 reasons why Groovy programming language is still a valid choice in late 2018
A few weeks ago Groovy programming language was celebrating its 15th Anniversary, which proves that Groovy is one of the oldest alternative programming languages running on JVM. You might think that development and high popularity of other younger JVM languages like Kotlin made Groovy less important in today’s tech world. Nothing could be further from the truth! In today’s article I would like to share with you 5 reasons that Groovy programming language is still a valid choice in late 2018
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