Ralf K.-School Project
Check rate
Experience
School Project
HZD
- Modernization, migration, and further development of school software for installation and administration. VB6 to C#.
- C#, WPF, VS Studio 2022, VB6, Proxmox, Open Project
Part-time
Construction industry
- Support and further development of in-house software with WinForms.
- Reports are built in DevExpress.
- C#, WinForms, DevExpress, Reports, VS Studio 2022, GAEB data
Insurance environment
- Support and further development of in-house software based on the DevExpress XAF framework.
- WPF, Blazor, reports in DevExpress.
- C#, WPF, DevExpress XAF, Reports, VS Studio 2019, SQL Server
Energy environment
- Support and rebuild of an existing software solution 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
Part-time
Construction industry
- Support and further development of in-house software with WinForms.
- Reports are built in DevExpress.
- C#, WinForms, DevExpress, Reports, VS Studio 2022, GAEB data
HZD Wiesbaden
- Support for an 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
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
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
ZDF Mainz
- Support for an 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
Manz Coating GmbH, Karlstein
- Support in the development of a new control and visualization software based on the VisiWinNET framework.
- C#, .NET 3.5, VisiWinNET 6.4, Visual Studio 2010, WinForms, GIT
DHL IT-Services, Darmstadt
- Development of 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
T-Systems, Magdeburg/Munich
- Support for the Web UI team with programming, testing, and optimization of the Web UI for a provisioning system.
- Reports with MS SQL Server.
- Development of configuration software with WPF based on the MVVM pattern
T-Systems, Magdeburg/Munich
- Project group leader and development support for the business side and the development team in Magdeburg and Munich
IPM Payphone Systems GmbH, Frankfurt
- Creation of software for managing and displaying product catalogs on information terminals
HZD, Wiesbaden
- Further development and support of the development team for several web applications in C# for the Hessian Ministry of Education and Cultural Affairs.
- Structural synchronization of several databases and data matching
ES Consultants, Inc., Atlanta
- Development support for a warehouse distribution system in Orlando, Florida with Visual Studio .NET, C#, MSMQ, SQL Server 2000/2005, RSLogix 5000
- Project management for a warehouse distribution system in Virginia with 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 with Visual Studio .NET, AS/400 Database, XML
- Bill of materials management program for a car audio company in Georgia with Visual Studio .NET, MS Access, XML
- Development and design of a storage and warehouse management software for the US Marines with 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.
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.
Summary
I am a passionate developer and see myself as the link between the customer and their project. My goal is a fast and satisfying implementation of the requirements. Unless marked otherwise, the projects were carried out 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 Development
- 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 Apple Store Apps:
- Hands Of Wing Tsun [Ios, Macos, Tvos, Visionos]: An App To Learn The Basics Of Wing Tsun.
- Counter Tally Meister [Ios]: Counting Important Events Or Activities
- Simply Track Time [Ios, Macos]: Tracking Working Hours In Projects, Etc.
Languages
Statistics
Experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Ralf is based in Nierstein, Germany.
Ralf speaks the following languages: German (Native), English (Advanced).
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.
Based on recent experience, Ralf would be well-suited for roles such as: School Project, Part-time.
Ralf's most recent position is School Project at HZD.
In recent years, Ralf has worked for HZD, Construction industry, Insurance environment, Energy environment, and HZD Wiesbaden.
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.
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.
Ralf has recently worked in industries like Media and Entertainment, Information Technology, and Construction.
Ralf has recently worked in business areas like Information Technology and Product Development.
The availability of Ralf needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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