curriculum vitae

Contact Information

Name
Marcel Wieczorek
Address
D-10437 Berlin
Telephone
+49 (0)30 55622095
Cell Phone
+49 (0)162 2417453
Email
marcel@wieczorek-it.de
Web
https://wieczorek-it.de

Personal Information

Date of Birth
December 5th, 1985
Place of Birth
Oranienburg
Citizenship
German
Gender
Male
Marital Status
Single

Education

2005 to 2008
OSZ IMT in Berlin

(professional school)

1998 bis 2005
Louise-Henriette-Gymnasium in Oranienburg

(grammar school)

1992 to 1998
Grundschule Eden in Oranienburg

(elementary school)

Studies

09/2008 until 06/2012
night courses at FOM Hochschule für Oekonomie & Management – University of Applied Sciences in Berlin
  • lectures on friday evenings and saturdays
  • branch of study: Business Informatics (B.Sc.)

Employment History

10/2012 until today
Senior Java Developer at Zalando GmbH in Berlin
Job description
  • Analyzing, modelling, optimizing and automating of business processes using BPMN 2.0 and a process engine
  • Uses technologies: Activiti/Camunda Fox, PostgreSQL, SOAP, Spring, myBatis, Apache Tomcat Java 6, Maven2, Signavio, EclipseLink JPA, GWT
07/2008 until 10/2012
Senior J2EE Software Engineer & deputy director application development at assona GmbH (former Jamba Service GmbH) in Berlin
Job description
  • Planning and realization of new software releases
  • Optimizing the backend structure (with Spring and mybatis)
  • Development of a web application for Partner Relationship Management (PRM)
    • Data administration
    • Point of sale (POS)
    • Time scheduling for field staff
  • Refactoring
  • Leading and realization of the project “Jive 5.0” – The entire reimplementation of the custom ERP system with all its components:
    • Customer, contract and claim administration
    • Document management
    • Finance
    • Partner management
  • Used technologies: HTML, CSS, JSP, Servlets, Tiles, Struts, AJAX, SOAP, Spring, myBatis, Oracle, Apache Webserver, Apache Tomcat, Java 6, Maven2, ZK RIA Framework
04/2008 until 07/2010
J2EE Software Engineer at assona GmbH (former Jamba Service GmbH) in Berlin
Job description
  • Planned and accomplished a two-week “Java 6” team training for all developers
  • Porting of all internal and external web applications from BEA Weblogic (Java 1.4) to an Apache Tomcat 6 (Java 6)
  • Porting of the persistence layer (from EJB 2 to Spring and iBatis)
  • Redesign and development of SOAP-Services
  • Used technologies: HTML, CSS, JSP, Servlets, Tiles, Struts, AJAX, SOAP, Spring, iBatis, Oracle, Apache Webserver, Apache Tomcat, Java 6, Maven2
01/2008 to 04/2008
Software developer at a startup company in Berlin
Job description
  • Planning and realization of a web site with shop and customer portal
  • Used technologies: HTML, PHP, JavaScript, MySQL, Apache Webserver
07/2007 to 01/2008
Internship at the Free University of Berlin
Job description
  • Development of final project for degree (Java application with database connectivity, published via Java WebStart in the local network)
  • Software analysis and development
  • Customer support
  • Account administration
  • Hardware repairs
09/2005 to 01/2008
Training for IT specialist (application development) at the German federal pension
  • Early completion of the training due to very good performance
Contents
  • Java / J2EE seminars
  • Development of a web shop with JBoss, Eclipse, and Xdoclet HSQL using Java Server Pages, Servlets and EJB
  • HTML, PHP, XML, VB, VBA, Oracle (PL / SQL)
  • Development of an interactive platform for the training department with PHP, MySQL and Apache Tomcat
04/2004 to 06/2005
Service employee in a supermarket next to the Baccalaureate

IT skills

Programming languages
  • Java (J2SE / J2EE) – very good
  • VB, VBA, VB.NET – advanced
  • PHP – advanced
  • COBOL, C/C++, C#, Delphi – basics
IDEs
  • Eclipse (3.2+)
  • NetBeans (6.5+)
  • Visual Studio (2003+)
Content Management
  • Typo3
  • Joomla
  • WordPress
  • Papaya
Web / application server
  • Apache Webserver
  • Apache Tomcat
  • JBoss
  • (Spring, iBatis/myBatis, JPA, EJB 3)
Web technologies
  • HTML
  • CSS
  • AJAX
  • PHP
  • JSP
  • Servlets
  • Struts (1+)
  • Tiles
  • ZK RIA Framework
  • GWT
Document generation
  • iText
  • Apache FOP
  • JasperReports
Databases
  • Oracle
  • PostgreSQL
  • MySQL
  • HSQL
  • MS SQL Server
  • (MS Access)
Build tools
  • Maven (1+)
Versioning tools
  • Concurrent Versions System (CVS)
  • Subversion (SVN)
  • Git
Operating systems
  • Windows (Desktop/Server 32/64 Bit)
  • Damn Small Linux
  • Open Suse (10.2+)
  • Ubuntu (7.1+)
Special software
  • DEMAL AuditBasics
  • Wilken ReportBuilder

Language skills

German
Mother tongue
English
Fluent
French
Good knowledge
Latin
Basics

Hobbies

Sports
  • Strength and endurance in the gym
Culture
  • Film and Television
  • Theater
Others
  • Maintenance / expansion of my own home network
  • Application Development (Java / J2EE)