Profile image of joerndyherrn
Member since May 3, 2018
2 Recommendations


Online Offline
► Programming/Script languages: Java, JavaScript, HTML5, CSS3, PHP ► Programming/Scripting tools: Hibernate, Spring (MVC, Data, REST), JSP, JSTL, JSF, Apache Tomcat, Maven, Docker, JUnit, Selenium ► Database knowledge: MySQL, MSSQL, MongoDB ► REST/SOAP API ► IDE: IntelliJ Ultimate ► Version Control: GIT ► multiple (Linux) Test-/Webservers ► OS: macOS, iOS, Windows, Android ► Office knowledge 6 years of software engineering will help me develop your project according to your wishes. Feel free to contact me. I'm looking forward to hear from you!
$38 USD/hr
8 reviews
  • 89%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 6%Repeat Hire Rate


Recent Reviews

  • image of Ivar Daten auslesen und in Exceltabelle exportieren €388.00 EUR

    “Jederzeit gerne wieder”

  • image of Marwan A. Project for Joern D. $70.00 USD

    “Quality of Work is outstanding. Always prompt with concerns and reliable”

  • image of Marwan A. a simple java project involving arraylist and name integer $50.00 USD

    “very professional and reliable”

  • image of Aubrey L. German Translator Needed $25.00 USD

    “Joern is a great guy and delivered the work so fast that I was so happy! Will definitely hire him again. :)”

  • image of Hamza A. Project 17907195 has been deleted $650.00 AUD

    “I have posted a project on this website with a lot of issues, and have been left disappointing many time by various freelancers who message you saying that they can do the job without even reading the requirements. But Joern has been exceptional to deal with and he is a good honest freelancer who goes above and beyond for his clients. He makes sure everything is done to your requirements and works to make you happy. I would highly recommend anyone to work with him, i'm sure you wont be disappointed.”

  • image of Th R. implement java code $35.00 USD

    “good java developer”


Java Developer

Dec 2016 - May 2017 (5 months)

In December 2016 I started working as Java freelancer. Since then I completed a lot of projects for different customers. From simple automated bots, trading bots, conversion programs, data scraping, product checker to complex REST APIs and web interfaces, I've developed it all.


General Certificate of Secondary Education (GCSE)

2011 - 2017 (6 years)


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