Jens K. - Freelancer

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Isernhagen, Germany

Experience

Jan 2022 - Present

3 years 9 months

Hanover, Germany

Freelancer

IT-P GmbH

Supporting the production rollout of the KVAI-Classic master data system
Analyzing and fixing PL/SQL-based interfaces on Oracle 19
Designing bug fixes and improvements for the service provider

Feb 2018 - Dec 2021

3 years 11 months

Hanover, Germany

Freelancer

adesso health solutions

Migrating existing master data interfaces to a domain abstraction layer using Oracle 11g SQL PL/SQL in billing and roles/permissions
Analyzing existing SST
Customizing and extending abstractions
Creating a new interface

Jan 2014 - Dec 2017

4 years

Celle, Germany

Freelancer

CBR Fashion Operations GmbH

Leading the development of the support process for GoLive and beyond
Modeling processes with Innovator
Developing SSRS reports
DB2 SQL queries
1st and 2nd level support for Infor M3 during GoLive using the HelpLine ticket tool
Operating, analyzing, and enhancing the self-developed ERP system with Oracle DB SQL PL/SQL 11g, Oracle Forms/Reports 10g, and WLS Server

Nov 2011 - Sep 2013

1 year 11 months

Neckarsulm, Germany

Freelancer

Lidl Stiftung & Co. KG

Supporting GLT software
Advising on and defining requirements for software vendors
Creating complex Oracle SQL queries on bulk data for power consumption and temperatures
Importing historical data from multiple sources and formats into the new GLT system

Jul 2011 - Aug 2011

2 months

Celle, Germany

Freelancer

CBR Fashion Operations GmbH

Installing and configuring Windows 7 32- and 64-bit virtual machines with Oracle Forms & Reports 11g
Providing second and third level support for Oracle (DB 10g, Forms & Reports 10g)

Apr 2010 - Jun 2011

1 year 3 months

Maldives

PADI Dive Instructor

PADI

Trained as a PADI Open Water Scuba Instructor
Conducting PADI dive courses in German and English
Organizing and leading dive trips
Repair and maintenance of diving equipment

Sep 2008 - Mar 2010

1 year 7 months

Celle, Germany

Freelancer

CBR Fashion Operations GmbH

Development in Oracle 10g SQL/PL/SQL, Forms, and Reports
2nd and 3rd level Oracle support (Oracle DB 10g, Forms & Reports 10g)

Sep 2008 - Mar 2010

1 year 7 months

Hanover, Germany

Freelancer

WKG Software GmbH

Development of an interface for the automated processing of phone directory entry updates from DeTeMedien using Oracle 10g SQL/PL/SQL

Jun 2008 - Aug 2008

3 months

Egypt

PADI Divemaster

Blue Brothers Diving

Jul 2006 - May 2008

1 year 11 months

Celle, Germany

Freelancer

Fashion Service GmbH

IT project management using MS Project
Led two major SCM projects (SCM I and SCM II) lasting nine months, involving up to three external companies and 14 team members in total
Development of a communication platform between producers, shippers, and internal departments (Design, Order, and Inbound)
Development of a platform mapping goods flow processes from inbound to outbound
Development with C# ASP.NET and Oracle 10g PL/SQL
Migration of Oracle Forms & Reports 6i to 10g
Development in Oracle 10g, 6i SQL/PL/SQL, Forms, and Reports
2nd and 3rd level support for Oracle 10g and 6i (Oracle DB, Forms & Reports)