Ralf Koch - School Project

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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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IPM Payphone Systems GmbH, Frankfurt

Created software to manage and display product catalogs on information terminals

Mar 2007 - May 2008

1 year 3 months

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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

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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

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Tecan, Mainz-Kastel

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

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.