Jens Kopper - Freelancer

Q: Where is Jens based?

Jens is based in Isernhagen, Germany and prefers 100% remote projects.

Q: What languages does Jens speak?

Jens speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Jens have?

Jens has at least 29 years of experience. During this time, Jens has worked in at least 2 different roles and for 9 different companies . The average length of individual experience is 2 years and 3 months . Note that Jens may not have shared all experience and actually has more experience.

Q: What is Jens's latest experience?

Jens's most recent position is Freelancer at IT-P GmbH .

Q: What companies has Jens worked for in recent years?

In recent years, Jens has worked for IT-P GmbH and adesso health solutions .

Q: Which industries is Jens most experienced in?

Jens is most experienced in industries like Fashion and Apparel , Information Technology (IT) , Media, and Entertainment and Publishing . Jens also has some experience in Healthcare , Retail , and Telecommunication .

Q: Which business areas is Jens most experienced in?

Jens is most experienced in business areas like Information Technology (IT) , Project Management , and Product Development . Jens also has some experience in Operations , Finance , and Business Intelligence .

Q: Which industries has Jens worked in recently?

Jens has recently worked in industries like Information Technology (IT) and Healthcare .

Q: Which business areas has Jens worked in recently?

Jens has recently worked in business areas like Information Technology (IT) , Product Development , and Finance .

Recommended expert

Isernhagen, Germany

Experience

Jan 2022 - Present

4 years 3 months

Hanover, Germany

Freelancer

IT-P GmbH

Supporting the go-live of the KVAI-Classic master data system
Analyzing and fixing errors in the PL/SQL-based interfaces on Oracle 19
Designing solutions and enhancements for the service provider

Feb 2018 - Dec 2021

3 years 11 months

Hanover, Germany

Freelancer

adesso health solutions

Converting existing master data interfaces to a business abstraction layer using Oracle 11g SQL PL/SQL in billing and rights/roles
Analyzing existing SST
Adjusting and extending the abstractions
Creating a new interface

Jan 2014 - Dec 2017

4 years

Celle, Germany

Freelancer

CBR Fashion Operations GmbH

Project management for developing the support process through go-live and beyond
Process modeling with Innovator
Developing SSRS reports
DB2 SQL queries
1st and 2nd level support for Infor M3 during go-live using the HelpLine ticket tool
Operating, analyzing, and further developing the in-house ERP system with Oracle DB SQL PL/SQL 11g, Oracle Forms/Reports 10g, WLS Server

Nov 2011 - Sep 2013

1 year 11 months

Neckarsulm, Germany

Freelancer

Lidl Stiftung & Co. KG

Supporting the GLT software
Consulting and defining requirements for software providers
Creating complex Oracle SQL queries for mass data on power consumption and temperatures
Importing historical data from various 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
Second- and third-level Oracle support (DB 10g, Forms & Reports 10g)

Apr 2010 - Jun 2011

1 year 3 months

Maldives

Employee

PADI

Training to become a PADI OWSI diving instructor
Conducting PADI dive courses in German and English
Organizing and leading dive trips
Repairing and maintaining 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 support for Oracle (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 automatic update processing of telephone directory entry data from DeTeMedien using Oracle 10g SQL/PL/SQL

Jul 2006 - May 2008

1 year 11 months

Celle, Germany

Freelancer

Fashion Service GmbH

IT project management using MS Project
Managing two large SCM projects (SCM I and SCM II) lasting nine months with up to three external companies and a total of 14 team members
Developing a communication platform between producers, transporters, and the internal departments of Design, Order, and Inbound
Developing a platform to map goods flow processes from goods receipt to goods issue
Using 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, Reports
2nd and 3rd level support for Oracle 10g and 6i (Oracle DB, Forms, Reports)

Oct 2002 - Jun 2006

3 years 9 months

Celle, Germany

Employee

Fashion Service GmbH

Team lead for IT development (17 people)
IT project management of smaller development projects
Assisting in building a data warehouse with Oracle tools
Oracle database administration
Migration of Oracle database 8i to 10g
Development in Oracle SQL/PL/SQL (DB 8i), Forms, and Reports 6i
2nd and 3rd level support for Oracle (DB 8i, Forms & Reports 6i)

Jan 2002 - Aug 2002

8 months

Hanover, Germany

Employee

WKG Software GmbH

Consulting and support of a publishing client
Software development with Oracle 8i SQL/PL/SQL and CENTURA GUPTA

Jan 2001 - Dec 2001

1 year

Hanover, Germany

Employee

runtime Projektsysteme GmbH

Consulting and support for several publishing clients
Software development with Oracle 8i SQL/PL/SQL and CENTURA GUPTA
Supervision of several FHDW interns

Aug 1995 - Dec 2000

5 years 5 months

Hanover, Germany

Employee

Schlütersche GmbH & Co. KG

Project management
Software development with Oracle SQL/PL/SQL and CENTURA GUPTA
Development of applications for the NIPSON duplex digital printing line
SCO-UNIX development

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Fashion (11 years), Information Technology (7.5 years), Media and Entertainment (7 years), Healthcare (4 years), Retail (2 years), and Telecommunication (1.5 years).

Fashion

Information Technology

Media and Entertainment

Healthcare

Retail

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (28 years), Project Management (15 years), Product Development (12 years), Operations (5 years), Finance (4 years), and Business Intelligence (3.5 years).

Information Technology

Project Management

Product Development

Operations

Finance

Business Intelligence

Languages

German

Native

English

Advanced

Education

Aug 1991 - Jun 1993

Buhmannschule Hannover

State-certified business assistant in computer science · Hanover, Germany

Secondary school diploma

Certifications & licenses

PADI OWSI Diving Instructor

PADI

PADI Divemaster

PADI

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jens based?

Jens is based in Isernhagen, Germany and prefers 100% remote projects.

What languages does Jens speak?

Jens speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jens have?

Jens has at least 29 years of experience. During this time, Jens has worked in at least 2 different roles and for 9 different companies. The average length of individual experience is 2 years and 3 months. Note that Jens may not have shared all experience and actually has more experience.

What roles would Jens be best suited for?

Based on recent experience, Jens would be well-suited for roles such as: Freelancer, Employee.

What is Jens's latest experience?

Jens's most recent position is Freelancer at IT-P GmbH.

What companies has Jens worked for in recent years?

In recent years, Jens has worked for IT-P GmbH and adesso health solutions.

Which industries is Jens most experienced in?

Jens is most experienced in industries like Fashion and Apparel, Information Technology (IT), Media, and Entertainment and Publishing. Jens also has some experience in Healthcare, Retail, and Telecommunication.

Which business areas is Jens most experienced in?

Jens is most experienced in business areas like Information Technology (IT), Project Management, and Product Development. Jens also has some experience in Operations, Finance, and Business Intelligence.

Which industries has Jens worked in recently?

Jens has recently worked in industries like Information Technology (IT) and Healthcare.

Which business areas has Jens worked in recently?

Jens has recently worked in business areas like Information Technology (IT), Product Development, and Finance.

What is Jens's education?

Jens attended Buhmannschule Hannover for State-certified business assistant in computer science.

Does Jens have any certificates?

Jens has 2 certificates. These include: PADI OWSI Diving Instructor and PADI Divemaster.

What is the availability of Jens?

Jens is immediately available part-time for suitable projects.

What is the rate of Jens?

Jens's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.