Category: Projekte

Durchgeführte Projekte von Marcel Wieczorek

N-Expert Cloud / FarmLab

N-Expert Cloud | FarmLab | Logo

As part of the collaboration between the Leibniz Institute of Vegetable and Ornamental Crops (IGZ) and the Brandenburg start-up Stenon GmbH (Stenon), Marcel Wieczorek IT-Services (WIT) further developed the fertilization optimization software “N-Expert“. The result is a cloud-native and lightweight web / server application based on Java, Spring Boot and OpenAPI. In the course of …

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N-Expert 4.5.3 with Tutorial

Marcel Wieczorek IT-Services finished the work on N-Expert 4.5.3 in April 2021. The main focus here was on improving the usability. Now the Leibniz Institute of Vegetable and Ornamental Crops (IGZ) has published a series of videos with click instructions that make it easier to get started with the N-Expert software. Six short videos show …

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5 Jahre N-Expert – Düngungsberatung und Nährstoffbilanzierung im Freilandgemüsebau

N-Expert Logo

Marcel Wieczorek IT-Services has been working on the new and further development of N-Expert since September 2013 on behalf of the Leibniz-Institut für Gemüse- und Zierpflanzenbau Großbeeren/Erfurt e.V. N-Expert is an application that supports farmers and fertilizer advisers in determining the fertilization needs of vegetable crops and in creating nutrient balances in accordance with the …

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Partner Relationship Management (PRM) Tool

Sorry, this entry is only available in German.

Java 6 Schulung

Before I could start my project, to migrate the web applications from the BEA Weblogic to the Apache Tomcat, at assona GmbH (former Jamba Service GmbH), I have planned and accomplished a two-week team training with regards to the Java Standard Edition Version 6. The whole team had to be brought more in line. To …

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BEA Weblogic – Tomcat Migration

At assona GmbH (former Jamba Service GmbH),  I ported a large web application with four sub-applications from BEA Weblogic to Apache Tomcat in the period from April 2008 to March 2009. The persistence layer which has  previously been designed with EJB 2 was replaced by a Spring-managed O/R-Mapping (with iBatis). I changed and developed persistence …

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At Institutional Invest Deutschland GmbH the web pages and have been developed in the period from January 2008 to April 2008. The focus was mainly on the design of the layout using CSS and the PHP development for internal processes. In cooperation with another developer, the front end of the webreputation site have …

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Trouble Shooter

The project “Trouble Shooter” was realized in the context of training for IT specialists (application development). It is the final project that was handed in the Chamber of Commerce and Industry and was subsequently defended. For the IT department of the Faculty of Veterinary Medicine at the Free University of Berlin a Best Practices Collection …

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