Ralf Koch - School Project

Q: Where is Ralf based?

Ralf is based in Nierstein, Germany .

Q: What languages does Ralf speak?

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

Q: How many years of experience does Ralf have?

Ralf has at least 24 years of experience. During this time, Ralf has worked in at least 2 different roles and for 14 different companies . The average length of individual experience is 2 years and 6 months . Note that Ralf may not have shared all experience and actually has more experience.

Q: What is Ralf's latest experience?

Ralf's most recent position is School Project at HZD .

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

In recent years, Ralf has worked for HZD , Construction sector , Insurance sector , Energy sector , and HZD Wiesbaden .

Q: Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Information Technology , Media and Entertainment , and Transportation . Ralf also has some experience in Banking and Finance , Construction , and Government and Administration .

Q: Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Information Technology , Project Management , and Supply Chain Management . Ralf also has some experience in Product Development , Quality Assurance , and Logistics .

Q: Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Media and Entertainment , Information Technology , and Construction .

Q: Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Nierstein, Germany

Experience

Nov 2024 - Aug 2025

10 months

School Project

HZD

Modernization, migration, and further development of a school software for installation and management. VB6 to C#.
C#, WPF, VS Studio 2022, VB6, Proxmox, Open Project

Jan 2024 - Sep 2024

9 months

Part-time

Construction sector

Support and further development of in-house software using WinForms.
Reports are implemented in DevExpress.
C#, WinForms, DevExpress, Reports, VS Studio 2022, GAEB data

Jun 2023 - Dec 2023

7 months

Insurance sector

Support and further development of in-house software based on the DevExpress XAF framework.
WPF, Blazor, DevExpress Reports.
C#, WPF, DevExpress XAF, Reports, VS Studio 2019, SQL Server

May 2022 - Dec 2022

8 months

Energy sector

Support and restructuring of existing software with DevExpress and MS Access.
Migration from Crystal Reports to DevExpress Reports.
VB.Net, DevExpress, Visual Studio 2019, SQL Server 2016, Crystal Reports, .NET 4.7.2+, SourceSafe

Apr 2022 - Dec 2023

1 year 9 months

Part-time

Construction sector

Support and further development of in-house software using WinForms.
Reports are implemented in DevExpress.
C#, WinForms, DevExpress, Reports, VS Studio 2022, GAEB data

Jan 2019 - Mar 2022

3 years 3 months

HZD Wiesbaden

Support of existing software, new concepts and further developments.
Improvements to the WPF interface.
C#, WPF, WCF, DevExpress, Visual Studio 2017, SQL Server 2016, .NET 4.5.2, TFS

Oct 2015 - Dec 2017

2 years 3 months

Helaba

Further development of existing software.
C#, VB.NET, Infragistics, Visual Studio 2013/2015, .NET 4.5.2, ASP.NET, jQuery, AngularJS, WPF, SQL Server

Aug 2014 - Jun 2015

11 months

Deutsche Bundesbank

Further development of an existing web-based software.
C#, VB.NET, Infragistics, Visual Studio 2010/2012/2013, .NET 4.5.2, ASP.NET, jQuery, AngularJS

Oct 2012 - Mar 2022

9 years 6 months

ZDF Mainz

Support of existing software, new concepts and further developments.
C#, VB.NET, DevExpress, Reports, Visual Studio 2013–2019, Oracle 11g2/12c2, .NET 3.5–4.7.2, Git, TFS

Jun 2012 - Dec 2012

7 months

Manz Coating GmbH, Karlstein

Assisted in developing new control visualization software based on the VisiWinNET framework.
C#, .NET 3.5, VisiWinNET 6.4, Visual Studio 2010, WinForms, Git

Oct 2011 - Mar 2012

6 months

DHL IT-Services, Darmstadt

Developed a new handheld software for field service using the HASCI Framework.
C#, .NET 3.5, Windows Mobile 6.5.1, MS SQL Server CE 3.5, TFS

Sep 2009 - Jun 2011

1 year 10 months

T-Systems, Magdeburg/München

Supported the Web UI team with programming, testing, and optimizing the web UI for a provisioning system.
Reports with MS SQL Server.
Developed a configuration software using WPF based on the MVVM pattern

Jun 2008 - Mar 2009

10 months

T-Systems, Magdeburg/München

Project group leader and development support for the business side and the development team in Magdeburg and Munich

Jun 2007 - Dec 2007

7 months

IPM Payphone Systems GmbH, Frankfurt

Created software to manage and display product catalogs on information terminals

Mar 2007 - May 2008

1 year 3 months

HZD, Wiesbaden

Further development and support of the development team for several web applications in C# for the Hessian Ministry of Education.
Structural synchronization of multiple databases and data reconciliation

Mar 2000 - Nov 2006

6 years 9 months

ES Consultants, Inc., Atlanta

Development support for a warehouse distribution system in Orlando, Florida using Visual Studio .NET, C#, MSMQ, SQL Server 2000/2005, RSLogix 5000
Project management for a warehouse distribution system in Virginia using Visual Studio .NET, MSMQ 3.0, SQL Server 2000, RSLogix 500
Design and development of a warehouse scheduler for dyeing and other processes for YKK in Alabama using Visual Studio .NET, AS/400 Database, XML
Bill of materials management program for an auto audio company in Georgia using Visual Studio .NET, MS Access, XML
Development and design of storage and warehouse management software for the US Marines using Visual Basic 5 & 6, MS Access/Oracle, Crystal Reports 5 & 6

Tecan, Mainz-Kastel

Development of control software.
C#, WPF, Visual Studio 2010, .NET 4.0

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Media and Entertainment, Transportation, Banking and Finance, Construction, and Education.

Information Technology

Media and Entertainment

Transportation

Banking and Finance

Construction

Education

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Supply Chain Management, Product Development, Quality Assurance, and Logistics.

Information Technology

Project Management

Supply Chain Management

Product Development

Quality Assurance

Logistics

Summary

I am a passionate developer and see myself as the link between the client and their project. My goal is a fast and satisfying implementation of requirements. Unless otherwise stated, the projects were done full-time.

Skills

Microsoft .Net Technologies & Frameworks:
Visual Studio .Net 2010 - 2022 [C#, Vb, Asp.net]
Windows Presentation Foundation [Wpf]
Windows Communication Foundation [Wcf]
Winforms Design And Programming
Devexpress [Preferred], Resharper, Telerik, Infragistics
Source Code Management:
Git, Team Foundation Server
Operating Systems And Server Technologies:
All Windows Systems, Apple Mac Os X
Databases:
Ms Sql*server 2005 - 2016, Sqlexpress, Oracle 11g2, 12c2, Sqlite
Reports:
Crystal Reports, Devexpress Reports, Ms Sql Reports
Other Skills:
Swift, Swiftui, Ipad, Mac Os, Tvos, Visionos Development
Own App Store Apps:
Hands Of Wing Tsun [Ios, Macos, Tvos, Visionos]: An App To Learn The Basics Of Wing Tsun.
Counter Tally Meister [Ios]: Count Important Events Or Activities
Simply Track Time [Ios, Macos]: Record Working Hours In Projects, Etc.

Languages

German

Native

English

Advanced

Statistics

Experience

Total positions 17

Experience in Information Technology 14.5 y

Avg length 1 y 10 m

Longest experience 9 y 5 m

Expertise

Recent roles School Project, Part-time

Main industries Information Technology, Media and Entertainment, Transportation

Main business areas Information Technology, Project Management, Supply Chain Management

Profile

Created

September 2025

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Frequently asked questions

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

Where is Ralf based?

Ralf is based in Nierstein, Germany.

What languages does Ralf speak?

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

How many years of experience does Ralf have?

Ralf has at least 24 years of experience. During this time, Ralf has worked in at least 2 different roles and for 14 different companies. The average length of individual experience is 2 years and 6 months. Note that Ralf may not have shared all experience and actually has more experience.

What roles would Ralf be best suited for?

Based on recent experience, Ralf would be well-suited for roles such as: School Project, Part-time.

What is Ralf's latest experience?

Ralf's most recent position is School Project at HZD.

What companies has Ralf worked for in recent years?

In recent years, Ralf has worked for HZD, Construction sector, Insurance sector, Energy sector, and HZD Wiesbaden.

Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Information Technology, Media and Entertainment, and Transportation. Ralf also has some experience in Banking and Finance, Construction, and Government and Administration.

Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Information Technology, Project Management, and Supply Chain Management. Ralf also has some experience in Product Development, Quality Assurance, and Logistics.

Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Media and Entertainment, Information Technology, and Construction.

Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology and Product Development.

What is the availability of Ralf?

Ralf is immediately available for suitable projects.

What is the rate of Ralf?

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