Implementation, maintenance and operation of an ERP system and a document exchange platform for a corrugated board manufacturer.
Used systems and technologies: Unix (Debian 6.x), C, SVN, Windows, C#, MS SQL Server, SCRUM.
Jan 2019 - Sep 2020
1 year 9 months
Consultant
Softwarehaus
Implementation and maintenance of ETL processes for an enterprise-wide data warehouse at an automaker's bank.
Used systems and technologies: Informatica Powercenter 10, Oracle 12c, SQL, PL/SQL, C, Perl, SVN, UNIX, Windows.
Jan 2018 - Sep 2019
1 year 9 months
Consultant
Softwarehaus
Implementation and maintenance of ETL processes for a data warehouse within a human resources project for an automaker.
Used systems and technologies: Informatica Powercenter 10, Oracle 12c, SQL, PL/SQL, UNIX, Windows, JIRA, SCRUM.
Jan 2017 - Mar 2018
1 year 3 months
Consultant
Softwarehaus
Implementation and maintenance of ETL processes for a vehicle leasing data warehouse at an automaker's bank.
Used systems and technologies: Informatica Powercenter 10, Perl, Oracle 12c, SQL, PL/SQL, UNIX, Windows.
Jan 2017 - Apr 2017
4 months
Consultant
Softwarehaus
Testing in a Hadoop cluster and deploying application packages in a Hadoop environment for an automaker.
Used systems and technologies: Hortonworks Hadoop cluster, Linux Bash shell, HDFS, Oozie, Hive, Pig, GIT, Postgres.
Jan 2016 - Jun 2016
6 months
Consultant
Softwarehaus
Tests within a Hadoop cluster and deployment of application packages within a Hadoop cluster as part of a Hadoop project for an automotive manufacturer.
Systems and technologies used: Hortonworks Hadoop cluster, Linux Bash shell, HDFS, Oozie, Hive, Pig, GIT, Postgres.
Jan 2016 - Mar 2016
3 months
Consultant
Softwarehaus
Implementation and maintenance of ETL processes in the environment of a data warehouse as part of a human resources project for an automotive manufacturer.
Systems and technologies used: Informatica Powercenter 9.51, Oracle 11g, SQL, PL/SQL, SVN, UNIX, Windows.
Jan 2015 - Mar 2016
1 year 3 months
Consultant
Softwarehaus
Implementation of ETL processes for an interface in the environment of a financial data warehouse for a financial institution.
Systems and technologies used: Informatica Powercenter 9.51, Oracle 11g, SQL, PL/SQL, UNIX, Windows.
Jan 2014 - Oct 2015
1 year 10 months
Consultant
Softwarehaus
Implementation of ETL processes in the environment of a data warehouse as part of a human resources project for an automotive manufacturer.
Systems and technologies used: Informatica Powercenter 9.51, Oracle 11g, SQL, PL/SQL, UNIX, Windows.
Jan 2012 - Feb 2014
2 years 2 months
Consultant
Telecommunications company
Implementation of ETL processes in the environment of a data warehouse for a telecommunications company.
Systems and technologies used: Informatica Powercenter 9.5, Oracle 11g, SQL, PL/SQL, UNIX, Windows, SVN, Excel.
Jan 2012 - Mar 2012
3 months
Consultant
Software House
Implementation of ETL processes in the area of marketing processes in the automotive sector.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Informatica Powercenter 9.1, Perl, SVN.
Jan 2012 - Mar 2012
3 months
Consultant
Software House
Implementation of ETL processes in the area of marketing processes in the automotive sector.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Informatica Powercenter 8.6, Perl, SVN.
Jan 2012 - Jan 2012
1 month
Consultant
Software House
Migration of ETL processes from Informatica Powercenter 8.6 to Informatica Powercenter 9.1.
Systems and technologies used: UNIX, Windows, Oracle, SQL, Informatica Powercenter 9.1.
Jan 2011 - Jun 2011
6 months
Consultant
Software House
Design and implementation of ETL processes in the context of quality management processes within the automotive sector.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Informatica Powercenter 8.6, Perl, SVN.
Jan 2011 - Apr 2011
4 months
Consultant
Software House
Implementation and configuration of a browser-based application for inventory of telecommunication components. The application modules are built using an SQL-centered framework. Interfaces from Excel to Oracle are provided with Perl and PL/SQL. Tests with SQL and Perl.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Perl, Excel, TWiki, SVN.
Jan 2011 - Feb 2011
2 months
Consultant
Softwarehaus
Implementation of ETL processes in the context of marketing processes within the automotive sector.
Used systems and technologies: UNIX, Windows, Oracle, SQL, PL/SQL, Informatica PowerCenter 8.6, Perl, SVN.
Jan 2010 - Aug 2010
8 months
Consultant
Softwarehaus
Implementation and configuration of browser-based applications to support rollout projects in the telecommunications sector. Using an SQL-centered framework, the application modules were built. Based on SQL, interfaces and reports were provided in Excel and XML. Testing with SQL and Perl.
Used systems and technologies: UNIX, Windows, Oracle, SQL, PL/SQL, Perl, JavaScript, HTML, TWiki, SVN, XML, XSLT.
Jan 2010 - Mar 2010
3 months
Consultant
Softwarehaus
Implementation and configuration of a browser-based application for inventorying telecommunications components. Using an SQL-centered framework, the application modules were built. The interfaces from Excel to Oracle were provided with Perl and PL/SQL. Testing was done with SQL and Perl.
Used systems and technologies: UNIX, Windows, Oracle, SQL, PL/SQL, Perl, Excel, TWiki, SVN.
Jan 2010 - Jan 2010
1 month
Consultant
Softwarehaus
Maintenance of a tool for controlling telephone systems. Bug fixes, data cleanup, and tool enhancements using SQL and PL/SQL.
Used systems and technologies: UNIX, Oracle, SQL, PL/SQL, SQL*Plus, TWiki, SVN.
Jan 2009 - Jun 2009
6 months
Consultant
Softwarehaus
Implementation and configuration of a browser-based order management tool in the telecommunications sector. Using an SQL-centered framework, the tool modules were built. Based on SQL, interfaces and reports were provided in Excel. Testing with SQL and Perl.
Used systems and technologies: UNIX, Windows, Oracle, SQL, PL/SQL, Perl, JavaScript, HTML, Excel.
Jan 2009 - Jun 2009
6 months
Consultant
Software company
Implementation and configuration of a browser-based tool to support rollout projects in the telecommunications sector. Using an SQL-centric framework, the tool's modules were built. Interfaces and reports in Excel were provided based on SQL. Testing with SQL and Perl.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Perl, JavaScript, HTML, Excel.
Jan 2008 - Apr 2008
4 months
Consultant
Data center
Implementation of data reconciliation between banks' complete data sets and an operator database. The data reconciliation was implemented as a UNIX application in C/C++ with ESQL access to DB2.
Systems and technologies used: C/C++, UNIX, DB2 V9.
Jan 2008 - Feb 2008
2 months
Consultant
Software company
Implementation and configuration of a browser-based tool to support rollout projects in the telecommunications sector. Using an SQL-centric framework, the tool's modules were built. Interfaces and Excel reports were provided based on SQL statements. Testing with SQL and Perl.
Systems and technologies used: UNIX, Windows, Oracle, SQL, PL/SQL, Perl.
Jan 2007 - Sep 2007
9 months
Consultant
Data center
Implementation of data provisioning from bank message files into an operator database under legal requirements. For runtime optimization, data provisioning was implemented in C/C++ as UNIX applications with ESQL access to DB2. Testing with SQL.
Systems and technologies used: C++, ESQL, DB2 V9, UNIX.
Jan 2007 - Feb 2007
2 months
Consultant
Bank
Implementation of a migration for credit card data provisioning. The migration was implemented using Informatica workflows. Testing with SQL on Oracle.
Systems and technologies used: Informatica PowerCenter, Oracle 10g, SQL Navigator, UNIX.
Jan 2007 - Jan 2007
1 month
Consultant
Bank
Testing data feeds from subsidiaries into a centralized, company-wide database. Testing the Informatica workflows with SQL statements on Oracle.
Systems and technologies used: Informatica Powercenter, Oracle 9i, SQL Navigator, UNIX.
Jan 2006 - Mar 2006
3 months
Consultant
Bank
Implementing data feeds from subsidiaries into a centralized, company-wide database. The data feeds are built as Informatica workflows that rely heavily on SQL. Testing with SQL.
Systems and technologies used: Informatica Powercenter, Oracle 9i, SQL Navigator, UNIX.
Jan 2006 - Feb 2006
2 months
Consultant
Industrial company
Implementing Windows services for receiving and sending data.
Systems and technologies used: C#, Windows 2003 Server.
Jan 2006 - Feb 2006
2 months
Consultant
Industrial company
Connecting various communication partners and types; monitoring the connections.
Systems and technologies used: Gedas RvsXp, IIS, MS SQL Server, MS BizTalk Server, Windows 2003 Server.
Jan 2006 - Jan 2006
1 month
Consultant
Industrial company
Designing and implementing document reception via web servers.
Systems and technologies used: C#, IIS, Windows 2003 Server.
Jan 2006 - Jan 2006
1 month
Consultant
Industrial company
Design and implementation of data exchange for freight invoices in the Edifact format.
Systems and technologies used: EDIdEv, C#, MS SQL Server, Windows 2003 Server.
Jan 2006 - Jan 2006
1 month
Consultant
Industrial company
Design and implementation of data exchange in the VDA format (release scheduling).
Systems and technologies used: C#, MS BizTalk Server 2004, MS SQL Server, Windows 2003 Server.
Jan 2006 - Jan 2006
1 month
Consultant
Data center
Implementation of data provisioning from bank message files into an operator database under legal requirements. For runtime optimization, the data provisioning is implemented in C/C++ with ESQL access to DB2 as UNIX applications. Tests with SQL.
Systems and technologies used: C++, ESQL, DB2 V9, UNIX.
Jan 2005 - Jan 2006
1 year 1 month
Consultant
Industrial company
Design of the interface for credit note exchange in the VDA format.
Systems and technologies used: C#, MS BizTalk Server 2004, MS SQL Server.
Jan 2005 - May 2005
5 months
Consultant
Industrial company
Design and implementation of data exchange between different partners (supplier – customer) in VDA format (delivery notes, delivery calls).
Systems and technologies used: C#, MS BizTalk Server 2004, MS SQL Server, Windows 2003 Server.
Jan 2005 - Mar 2005
3 months
Consultant
Bank
Implementation of data provisioning (master data) to the CRM system from ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows XP, UNIX, Shell, FTP, SFTP, SSH.
Jan 2005 - Mar 2005
3 months
Consultant
Bank
Extension of data provisioning implementation for external payments from ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows XP, UNIX, Shell, FTP, SFTP, SSH.
Jan 2004 - May 2004
5 months
Consultant
Bank
Implementation of data provisioning to the credit card system from ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows XP, UNIX, Shell, ConnectDirect, SSH.
Jan 2004 - Mar 2004
3 months
Consultant
Bank
Implementation of data provisioning to the CRM system from ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows XP.
Jan 2004 - Mar 2004
3 months
Consultant
Bank
Implementation of data provisioning for external payments from ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows XP.
Jan 2004 - Jan 2004
1 month
Consultant
Bank
Maintenance of legacy systems.
Systems and technologies used: Visual Basic, SQL, Windows NT.
Jan 2003 - Jun 2003
6 months
Consultant
Bank
Implementation of data supply to the ODS from the leasing system.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows NT, UNIX, Shell, FTP, ErWin.
Jan 2003 - Mar 2003
3 months
Consultant
Bank
Implementation of account data exchange between the ODS and the staging area DWH.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows NT, UNIX.
Jan 2003 - Mar 2003
3 months
Consultant
Bank
Testing and implementation of master data and account data between the legacy system and the ODS.
Systems and technologies used: SQL, PL/SQL, ORACLE, Informatica, Windows NT, UNIX, ErWin.
Jan 2002 - Aug 2002
8 months
Consultant
Software house
Maintenance and further development of a CRM system, including technical project management.
Systems and technologies used: SQL, UDB V6, C++ (MSVC), Windows NT, OS/2.
Jan 2002 - Feb 2002
2 months
Consultant
Bank
Testing and implementing master data exchange between legacy system and ODS (Object Data Store).
Used systems and technologies: SQL, PL/SQL, ORACLE, Informatica, Windows NT, UNIX.
Jan 2002 - Feb 2002
2 months
Consultant
Software House
Maintenance and further development of a CRM system.
Used systems and technologies: SQL, UDB V5.2, C++ (MSVC), Windows NT, OS/2.
Jan 2001 - May 2001
5 months
Consultant
Software House
Designing and implementing helper classes (DB access, GUI) within the servlet environment.
Used systems and technologies: JDK 1.2, JRun, JDBC, SQL, Swing, Windows NT.
Jan 2001 - Apr 2001
4 months
Consultant
Software House
Designing and implementing a customer contact service considering the existing data models.
Used systems and technologies: UML, Java, SQL, ErWin.
Jan 2001 - Mar 2001
3 months
Consultant
Software House
Optimizing a selection tool.
Used systems and technologies: SQL, UDB V5.2, C++ (MSVC), Windows NT, OS/2.
Jan 2000 - Mar 2000
3 months
Consulting
Software House
Specification and implementation of an interface DLL between a loan processing application and a customer advisory system.
Systems and technologies used: OOA, C, ODBC, UDB-CLI, Windows NT, OS/2.
Jan 2000 - Mar 2000
3 months
Consulting
Software House
Integrating a data warehouse tool with a customer advisory system.
Systems and technologies used: SQL, COGNOS, Windows NT.
Jan 2000 - Mar 2000
3 months
Consulting
Software House
Extending a customer advisory system (specification, implementation).
Systems and technologies used: C++, SQL, UDB, Windows NT, OS/2.
Jan 2000 - Feb 2000
2 months
Consulting
Software House
Optimizing a system for managing marketing campaigns.
Systems and technologies used: SQL, UDB V5.2, C++ (MSVC), Windows NT, OS/2, RTS-GUI.
Jan 2000 - Jan 2000
1 month
Consulting
Software House
Specification of a 'delete advisor' functionality.
Systems and technologies used: OOA, OOD.
Jan 1999 - May 1999
5 months
Consultant
Softwarehaus
Expand a customer advisory system.
Systems and technologies used: C++, SQL, RTS-GUI, ORACLE, Windows NT, Windows 3.11, OS/2.
Jan 1999 - Mar 1999
3 months
Consultant
Softwarehaus
Developed a system for managing marketing campaigns (data modeling, specification, implementation, coaching).
Systems and technologies used: C++, SQL, UDB, Windows NT, OS/2.
Jan 1999 - Mar 1999
3 months
Consultant
Softwarehaus
Customized and extended a tool for generating selections.
Systems and technologies used: SQL, C++, UDB, Windows NT, OS/2.
Jan 1999 - Jan 1999
1 month
Consultant
Softwarehaus
Developed the report for a credit advisory service.
Systems and technologies used: C++, RTS-GUI, Windows NT.
Jan 1998 - Mar 1998
3 months
Consultant
Softwarehaus
Developed a system to record contacts within a customer advisory system (data modeling, specification, implementation).
Systems and technologies used: C++, SQL, RTS-GUI, ORACLE, Windows NT, Windows 3.11, OS/2.
Jan 1998 - Feb 1998
2 months
Consultant
Software company
Developed a system to plan and execute marketing campaigns.
Used systems and technologies: C++, SQL, RTS-GUI, ORACLE, Windows NT, WIN 3.11, OS/2.
Jan 1998 - Feb 1998
2 months
Consultant
Software company
Optimized a client-server application in a 64-bit environment (concept, specification, implementation, testing).
Used systems and technologies: C++, SQL, RTS-GUI, ORACLE, Windows NT, WIN 3.11, OS/2.
Jan 1998 - Feb 1998
2 months
Consultant
Software company
Implemented the euro conversion of a customer advisory system.
Used systems and technologies: C++, SQL, RTS-GUI, ORACLE, Windows NT, WIN 3.11, OS/2.
Jan 1997 - Dec 1998
2 years
Consultant
Software company
Created authorization profiles for users of a customer advisory system.
Used systems and technologies: C++, SQL, RTS-GUI, ORACLE, Windows NT, WIN 3.11, OS/2.
Jan 1997 - Nov 1997
11 months
Database developer
Hardware and software manufacturer
Designed the multithreading capability of a relational database system.
Used systems and technologies: C, Assembly, Windows NT, BS2000.
Jan 1996 - Dec 1996
1 year
Database development
Hardware and software manufacturer
Design and implementation of replication within a relational database system.
Systems and technologies used: C, Unix, Windows NT, BS2000.
Jan 1995 - Dec 1995
1 year
Database development
Hardware and software manufacturer
Design and implementation of ALTER TABLE functions within a relational database system.
Systems and technologies used: C, Unix, Windows NT, BS2000.
Jan 1994 - Dec 1994
1 year
Database development
Hardware and software manufacturer
Maintenance of CREATE INDEX functions within a relational database system.
Systems and technologies used: C, Unix, Windows NT, BS2000.
Jan 1993 - Dec 1993
1 year
Database development
Hardware and software manufacturer
Design and implementation of transaction functionality for DDL statements within a relational database system.
Systems and technologies used: C, Unix, Windows NT, BS2000.
Jan 1992 - Dec 1992
1 year
Database development
Hardware and software manufacturer
Design and implementation of database buffering for DDL statements within a relational database system.
Systems and technologies used: C, Unix, BS2000.
Jan 1991 - Jun 1991
6 months
Database development
Hardware and software manufacturer
Maintenance of the authorization functions within a relational database system.
Systems and technologies used: Assembler, UNIX, BS2000.
Jan 1990 - Dec 1991
2 years
Database development
Hardware and software manufacturer
Design and implementation of a task framework for service tasks within a relational database system.
Systems and technologies used: C, Unix, BS2000.
Summary
Main focus: development/consulting in DWH/BI and database