Stefan Wimmer - Software Architect and Developer, .NET

🚀 FRATCH GPT 2.0 - Find freelancers with a single prompt. Now including price benchmarking.

Recommended expert

Available

Ottobrunn, Germany

Check rate

Experience

Jan 2026 - Present

9 months

Munich, Germany

Remote

Architect/Software Developer

Global Logistics Support GmbH

Task

Further development of a new ERP system with Blazor
Creation of e-invoices with the XRechnung and ZUGFeRD format
UI/UX design Client-server system
Windows 11 Technology
Microsoft .NET 9, Git, Azure DevOps, ASP.NET, MSSQL, Blazor Programming languages
C#, MVVM Development tools
Microsoft Visual Studio .NET 2022 Database
MSSQL Industry
Other

Mar 2025 - Dec 2025

10 months

Remote

Architect/Software Developer/Infrastructure

HDI

Migration of database servers and application servers to the new world (infrastructure, WPF applications, ASP.NET applications, Excel)
Replacement of the migrated applications with new applications through new development
Creation of CI/CD pipelines
System: Windows 11, Windows Server 2022
Technologies: Microsoft .NET 4.8, ASP.NET, WPF, Oracle, MSSQL, SSRS, Azure, Azure Blob Storage
Languages: C#, MVVM, VBA
Tools: Microsoft Visual Studio .NET 2022, Azure Storage Explorer
Database: Oracle, MSSQL
Industry: Insurance

May 2023 - Jul 2024

1 year 3 months

Architect/Software Developer

G+D

Further development of project Zeus
Bug fixing
Implementation of new features
Data modeling
Refactoring old code
System: Windows 10, Windows 11
Technologies: Microsoft .NET 4.8, WPF, Oracle, Git, Scrum, Docker, Kubernetes
Languages: C, C++, C#, XML, XSLT, XSD, Unity, MVVM, Design Patterns, PL SQL
Tools: Microsoft Visual Studio .NET 2022, Git, Jira, Docker, Oracle SQL Developer, Oracle SQL Developer Data Modeler
Database: Oracle, SQLite
Industry: Industry

Jan 2022 - Present

4 years 9 months

Software Developer

Own development

Setup of the PV system in Solaranzeige
Creation of charts with the help of Grafana
System: Raspberry Pi, Linux
Technologies: Docker, WAGO controller
Languages: C#, C++, Grafana
Database: MariaDB

May 2021 - Dec 2022

1 year 8 months

Architect/Software Developer

Zeppelin Rental GmbH

Creation of databases with PostgreSQL
Creation of services based on OpenAPI
Creation of a GUI with Angular 12, access to services from the GUI
Creation of integration tests to test the services
Creation of tests for Angular components
Creation of controls
Creation of reports with Stimulsoft
Responsive design
Data modeling
System: Windows 10
Technologies: Microsoft .NET 6, Stimulsoft, Scrum, RabbitMQ
Languages: C#, Design Patterns, TypeScript, Angular 12, Swagger, JavaScript
Tools: Microsoft Visual Studio .NET 2019, Swagger, Git, pgAdmin
Database: PostgreSQL 12
Industry: Industry

Jun 2019 - Nov 2019

6 months

Vienna, Austria

Software Developer

Allianz Wien

Support for multilingualism (German, English)
System: Windows 10, Linux
Technologies: Microsoft .NET 4.6, Winforms
Languages: C#, C, C++
Tools: Microsoft Visual Studio .NET 2019 Enterprise, Excel, Git, Oracle SQL Developer, Oracle SQL Developer Data Modeler
Database: PostgreSQL, Oracle
Industry: Insurance

Jul 2018 - Dec 2020

2 years 6 months

Software Developer

Roche Diagnostics GmbH

Creation of the GUI for a recipe software with WPF
Creation of a web application with ASP.NET MVC
Display/editing of Business Process Model diagrams via BPMN IO
Refactoring
System: Windows 10
Technologies: Microsoft .NET 4.6, Design Pattern, Prism, Unity, WPF, ASP.NET MVC, .NET Core, gRPC, Microsoft Entity Framework, NHibernate, Azure
Languages: C#, XML, Unity, Prism, Design Patterns, Javascript, Typescript, Node.js, Java
Tools: Microsoft Visual Studio .NET 2019 Enterprise, DevExpress
Database: Microsoft SQL Server 2019
Industry: Pharma

Jul 2018 - May 2020

1 year 11 months

Software Developer

Münchner Rückversicherungs AG

Creation and maintenance of an Excel plugin with VSTO
Data modeling
Data comparison
System: Windows 10
Technologies: Microsoft .NET 4.6, Design Pattern
Languages: C#, VSTO, Design Patterns
Tools: Microsoft Visual Studio .NET 2017 Enterprise, Excel, Oracle SQL Devloper, Oracle SQL Developer Data Modeler
Database: Oracle
Industry: Insurance

Nov 2017 - Jun 2018

8 months

Software Developer

AKDB

Creation of forms using ASP.Net MVC
Migration of Cobol code to C#
System: Windows 10
Technologies: Microsoft .NET 4.5, ASP.NET 4.5, ASP.NET MVC, RESTful Services, Microsoft Entity Framework 6.1, Nuget, NPM, WCF, Design Pattern
Languages: C#, XML, XSD, Autofac, Design Patterns, jQuery, Javascript, Cobol
Tools: Microsoft Visual Studio .NET 2015 Ultimate
Database: Microsoft SQL Server 2019
Industry: Public authority

Jun 2014 - Nov 2017

3 years 6 months

Software Developer

Unicredit AG

Creation of forms using AngularJS
Creation of components with AngularJS 2
Use of NHibernate and Entity Framework as ORM mapper
Creation of RESTful Services
Many years of experience with the USP framework
Access to Oracle databases
System: Windows 7
Technologies: Microsoft .NET 4.5, ASP.NET 4.5, ASP.NET MVC, RESTful Services, Microsoft Entity Framework 6.1, NHibernate, Nuget, NPM
Languages: C++, C#, XML, XSD, Spring.NET, Design Patterns, jQuery, NVelocity, AngularJS, AngularJS 2, Javascript, Typescript, PL/SQL
Tools: Microsoft Visual Studio .NET 2015 Ultimate
Database: Microsoft SQL Server 2008 R2, Oracle
Industry: Banking

Feb 2014 - May 2014

4 months

Developer

Hausbank eG

Created documentation for an existing system (installation guide, specifications)
Created test cases
System: Windows Server 2008 R2
Technologies: Microsoft Winforms, Crystal Reports
Languages: C#, PL/SQL
Tools: Microsoft Visual Studio .NET 2008
Database: Oracle 11g
Industry: Banking

Sep 2013 - Sep 2013

1 month

Consultant

Qunis GmbH

Embedded the ASP.NET ReportViewer control into a website
Created reports
System: Windows Server 2012, SharePoint 2013
Technologies: Microsoft ASP.NET 4.0, SSRS 2012
Languages: C#
Tools: Microsoft Visual Studio .NET 2010
Database: Microsoft SQL Server 2012
Industry: Business Intelligence

Jul 2013 - Oct 2013

4 months

Architect/Software Developer

Asset Media Ltd.

Created a web application to evaluate the quality of websites
Used SSRS 2008 R2 to create reports
System: Windows Server 2008 R2
Technologies: Microsoft ASP.NET 4.0, SSRS 2008 R2, Microsoft ASP.NET MVC 4.0
Languages: C#, Design Patterns
Tools: Microsoft Visual Studio .NET 2012 Premium
Database: Microsoft SQL Server 2008 R2
Industry: Web Design

Apr 2012 - Apr 2012

1 month

Software Developer

ZERO-Lacke

Created a cube for an ERP system (Microsoft Dynamics AX) to analyze sales
Created reports for the cube
System: Windows 7, Windows Server 2008 R2
Technologies: Microsoft Analysis Services (SSAS), Microsoft Reporting Services (SSRS)
Languages: MDX, T-SQL
Tools: SQL Server Business Intelligence Development Studio 2008
Database: Microsoft SQL Server 2008
Industry: Manufacturing

Mar 2012 - Oct 2013

1 year 8 months

Architect/Software Developer

EDAG GmbH & Co. KGaA.

Created a .NET architecture for an existing Excel application
Implemented the architecture with C#
Used design patterns
Created a database model
Used Microsoft's Entity Framework
System: Windows 7, Windows Server 2008 R2
Technologies: Microsoft .NET 4.0, WPF, MVVM
Languages: VB.NET, C#, XML, XSLT, XSD, Spring .NET, Unity, AOP, Design Patterns, PL/SQL
Tools: Microsoft Visual Studio Ultimate .NET 2010
Database: Oracle 11g
Industry: Manufacturing

Feb 2011 - May 2011

4 months

Software Developer, Architect

Bayerisches Landesamt für Denkmalpflege

Development of web services
Access to the database via ADO .NET Entity Framework
System: Windows 7, Windows Server 2003, Windows Server 2008 R2
Technologies: Microsoft .NET 3.5, IIS
Languages: C#, T-SQL, WCF
Tools: Microsoft Visual Studio .NET 2008
Database: Microsoft SQL Server 2005
Industry: Public authority

Dec 2010 - Jan 2011

2 months

Software Developer, Architect

TECOPS GmbH

Development of a vacation planner as a web application (personnel management, holiday management, reports, vacation requests)
System: Windows 7, Windows Server 2003, Windows Server 2008 R2
Technologies: Microsoft .NET 3.5
Languages: C#, ASP.NET 3.5, T-SQL, Ajax, Active Directory
Tools: Microsoft Visual Studio .NET 2008, Ajax Control Toolkit
Database: Microsoft SQL Server 2005
Industry: IT staffing provider

Jul 2010 - Nov 2024

14 years 5 months

Architect/Software Developer

Knorr Bremse Deutschland

Creation of requirements with Enterprise Architect
Creation of an abstract XML description language
Creation of a framework for managing abstract elements
Use of WPF to display objects
Creation of reports for Microsoft Project 2010
Use of design patterns (MVVM, Singleton, Factory, Adapter)
Creation of rough and detailed concepts
Use of the UML functionality of Visual Studio 2022
Migration of legacy data, creation of SSIS packages
Refactoring of old code
System: Windows 10
Technologies: Microsoft .NET 4.5, WPF, Microsoft Project 2010, SSRS, SSIS, .NET MAUI
Languages: C++, C#, XML, XSLT, XSD, Spring .NET, Unity, AOP, MVVM, Design Patterns, Java
Tools: Microsoft Visual Studio .NET 2019/2022, Microsoft Office 2003, Altova XML Spy 2013, Enterprise Architect, Actipro Software Syntax Editor, Microsoft Business Intelligence Studio 2008, Infragistics, Git, Jira, SQL Developer, Oracle SQL Developer Data Modeler
Database: Microsoft SQL Server 2008 R2, Microsoft SQL Server 2012/2014/2019, Oracle, MySQL
Industry: Manufacturing

Mar 2010 - Jul 2010

5 months

Wiesbaden, Germany

Architect/Software Developer

R+V Versicherung Wiesbaden

Refactoring of an existing .NET 3.5 application
Separation of GUI and business logic
System: Windows Vista
Technologies: Microsoft .NET 3.5, Winforms
Languages: C#, ADO.NET, LINQ
Tools: Microsoft Visual Studio .NET 2008, Microsoft Office 2007, SQL*Plus, Devexpress
Database: Microsoft SQL Server 2005, Oracle 10g
Industry: Insurance

Dec 2009 - Mar 2016

6 years 4 months

Architect/Software Developer

BSH Bosch Siemens Hausgeräte GmbH

Excel templates are offered for download via an ASP.NET application (depending on permissions)
After editing the Excel files, they are uploaded again through the same application and the OLAP cube is then recalculated.
Export and import of Excel files using OOXML
Creation of ASP.NET pages with XSLT templates
System: Windows XP
Technologies: Microsoft .NET 4.5
Languages: C#, ADO.NET, XML, OLAP, MDX, SSIS, ASP.NET, XSLT, XPath, OOXML 2.0, SSIS, SSRS
Tools: Microsoft Visual Studio .NET 2008, Microsoft Office 2010, SSMS
Database: Microsoft SQL Server 2005/2008/2012/2014, Analysis Services
Industry: Manufacturing

Nov 2009 - Feb 2010

4 months

Software Developer, Architect

Axa

Development of an application for full customer consulting.
Building a data model with ADO.NET Entity Framework
Use of WPF for the GUI
Design of XAML files with Expression Blend
Creation of automatic builds with MS Build
Creation of a setup program with Visual Studio 2008
System: Windows XP, Windows Vista, Windows 7
Technologies: Microsoft .NET 3.5, Silverlight 3
Languages: C#, ADO.NET Entity Framework, XML, XSD
Tools: Microsoft Visual Studio .NET 2008, Infragistics, WPF Toolkit, Expression Blend 3, Team Foundation Server 2008
Database: Microsoft SQL Server Compact Edition 3.5, Microsoft SQL Server 2008
Industry: Insurance

Sep 2009 - Nov 2009

3 months

Software Developer, Architect

TÜV Süd

Development of an application with .NET Compact Framework 3.5 for creating reports for cars and trucks
Synchronization of the mobile application with the server
System: Windows XP, Windows Mobile 6.1
Technologies: Microsoft .NET 3.5
Languages: C#, ADO.NET, XML, XSD
Tools: Microsoft Visual Studio .NET 2008, Resco, Smart Device Framework
Database: Microsoft SQL Server Compact Edition 3.5
Industry: Industry

Sep 2008 - Feb 2009

6 months

Architect/Software Developer

BSH Bosch Siemens Hausgeräte GmbH

Conversion of an existing Excel solution into a solution with .NET 3.5
Analysis of the existing data in Excel and creation of a data model
Storage of all relevant data in a SQL Server 2005 database
Building a data warehouse so the data can be accessed via OLAP
Building dimensions, measures, and measure groups with Visual Studio 2008
Development of a WinForms application for entering data and displaying calculated fields
System: Windows XP
Technologies: Microsoft .NET 3.5
Languages: C#, ADO.NET, XML, XSD, OLAP, MDX, SSIS
Tools: Microsoft Visual Studio .NET 2008, Microsoft Office 2003, SSMS 2005
Database: Microsoft SQL Server 2005, Analysis Services 2005
Industry: Industry

Apr 2008 - Sep 2009

1 year 6 months

Software Developer

MTU Aero Engines

Development of a tuning software for engine controllers with .NET 3.5 according to DO-178B
Display of analog and digital signals from the engine controller in plots and round instruments
Implementation of tests
System: Windows XP
Technologies: Microsoft .NET 3.5
Languages: C#, ADO.NET, XML, XSD
Tools: Microsoft Visual Studio .NET 2008, Dimensions, Infragistics, IOComp Plotpack, Liquid XML Studio 2008, Microsoft Word 2003
Industry: Industry

Apr 2008 - Jun 2008

3 months

Software Developer

MobileX AG

Further development of a mobile application with DevExpress components using the MVC pattern.
System: Windows XP
Technologies: Microsoft .NET 2.0
Languages: C#, ADO.NET
Tools: Microsoft Visual Studio .NET 2005, Subversion, TortoiseSVN, DevExpress
Database: SQLite
Industry: Industry

Oct 2007 - Dec 2007

3 months

Software Developer

ThyssenKrupp Präzisionsschmiede

Creation of a framework for BDE (shop floor data collection)
Reports with Crystal Reports and Visual Studio 2005.
System: Windows XP
Technologies: Microsoft .NET 2.0
Languages: VB.NET, ADO.NET, PL-SQL, Crystal Reports
Tools: Microsoft Visual Studio .NET 2005
Database: Oracle 9
Industry: Manufacturing

Sep 2007 - Mar 2008

7 months

Software Developer

Paccar Ltd.

Extension of the MKF Framework (Modular Component Framework) used to develop large ASP.NET applications (>3000 PCs)
Development of client-side and server-side modules for the application.
The application partly used very large tables (>100 million)
Creation and optimization of stored procedures (T-SQL).
Creation of web tests and database tests using VSTS 2008.
System: Windows 2000/XP, Windows Server 2000/2003
Technologies: Microsoft ASP.NET 2.0, AJAX
Languages: C#, Javascript, T-SQL, XML
Tools: Microsoft Visual Studio .NET 2005, TFS 2008, VSTS 2008
Database: SQL Server 2000/2005
Industry: Manufacturing

May 2007 - Jun 2007

2 months

Software Developer

TECOPS GmbH

Management of applicant profiles with ASP.NET 2.0 as the frontend and MS SQLServer 2005 as the back end. The main task here was database modeling and the creation of stored procedures
Creation of reports with MS SQL Server 2005 Report Services and integration into an ASP page.
Creation of database-driven ASP pages and their optimization for large amounts of data. Use of full-text search for profile search.
System: Windows XP, Windows Server 2003
Technologies: Microsoft .NET 2.0
Languages: C#, VB.NET, ASP.NET 2.0, T-SQL, Report Services and Notification Services from SQL Server 2005
Tools: Microsoft Visual Studio .NET 2005
Database: Microsoft SQL Server 2005
Industry: IT staffing services

Sep 2006 - Present

20 years 1 month

Architect/Software Developer

Eigenentwicklung

Creation of a homepage with ASP.NET 2.0 and MS SQL Server 2000 as the database for registration of DEX and feedback from DEX.
DEX-Dynamic Explorer: Creation of a tool for easy access to file paths for desktop and web.
Technologies: Microsoft ASP.NET 2.0, .NET 2.0, MFC
Languages: C#, XML, UML, Webservice, C++, STL, Shell scripting
Tools: Visual Studio 2005, Photo Impact 11 (graphics), Platform SDK
Database: SQL Server 2000

Jan 2000 - Present

26 years 9 months

Architect/Software Developer

Eigenentwicklung

Creation of an invoicing program for veterinarians with Microsoft Access 2010
Creation of a client version with Microsoft Access XP/2007/2010
Use of SQL Server 2000 as the database
Creation of a version with .NET Compact Framework 2.0 for mobile devices (Pocket PCs) and use of MS SQL Server Compact as the database. Performance tuning for a large number of customers and line items.
Creation of diaries on the Pocket PC
Entry of customers, patients, treatments, and medications on the PDA
Printing of receipts on a thermal transfer printer via Pocket PC
Development of test concepts for quality assurance
Creation of e-invoices directly from the program (X-Factura, Zugferd)
System: Windows 2000/XP/Vista/10/11, Linux, Red Hat Enterprise
Technologies: Microsoft .NET 1.1/2.0 Winforms, .NET 8.0, Microsoft Compact Framework 2.0, Microsoft Office, .NET MAUI, Docker, XCode
Languages: C#, VBA, XML, UML, XAML
Tools: Microsoft Access 97/2003/2007/2010/2021, SSIS, SSRS
Database: Access XP/2007, SQL Server 2000/2005/2008/2012/2019, SQL Server Compact Edition 3.1, Snapshot Replication
Industry: Veterinarian

Jan 2000 - Apr 2001

1 year 4 months

Software Developer

Compear AG

Creation of an application in Java for generating insurance tariffs
Creation of a Pocket PC application with MFC
Languages: Java, Java Swing
Tools: Visual Studio 6.0
Industry: Insurance

Jan 2000 - Dec 2000

1 year

Software Developer

Ambulante Pflegedienste

Creation of an application for outpatient care services with Microsoft Access

Oct 1998 - Sep 2007

9 years

Architect/Software Developer

Münchner Rückversicherungs AG

Atom-Designer: Creation of a tool with Visual C++ for the interactive graphical creation of mathematical models. Models and components can be evaluated using tabular and graphical views. Implementation of interfaces to Excel and XML.
Creation of pivot tables with Excel 2003 for evaluating accounting data in Microsoft Access.
Anjapro: Creation of the user interface of a tool for loss reserves (MFC/C++, later .NET 2.0/Oracle/Web services). Database modeling and provision of business objects for web services. Use of a role-based access system.
IBNR Platform: Creation of use cases and implementation of the product in several iterations. Connection to the business data warehouse and interfaces to FSRI. Implementation of Excel exports/imports via ADO.NET. Quality assurance in TestDirector/Quality Center.
Automation of Excel 2003, Word 2003 and PowerPoint 2003 in many small projects.
RAC Review Tool Plus: Creation of an audit tool for underwriters to evaluate contracts/claims. Development of a summary tool for overall tabular and graphical evaluations. Data exchange via compressed XML files.
RAC-Analyser: Creation of a tool for data analysis and reports for any kind of data. Evaluations with Access 2003 and Oracle 9.
Atom-Script: Creation of a tool in Visual C++ for the reserving process. Development of a C++ parser and a custom language for automatic GUI generation. Creation of a print engine for outputting tables and graphics.
Technologies: .NET 2.0, MFC, .NET 1.1, ADO.NET, COM, XML, VBA, Excel 2003, Access 2003, Oracle 8/9/10g, SQL/PLSQL, UML.
Tools: Visual Studio 6.0/2003/2005, Visual Source Safe, Team Foundation Server, Toad, TestDirector/Quality Center, Rational Rose, Infragistics, Dundas.

Sep 1998 - Dec 1998

4 months

Software Developer

Fa. Käsbeitzer GmbH

Creation of an application in Microsoft Access for creating delivery notes, invoices, reminders and consolidated invoices
Database: Microsoft Access 97/XP/2003
Industry: Trade

Mar 1998 - Sep 1998

7 months

Munich, Germany

Software Developer

Siemens AG

Migration of the customer and order database PN (private networks) to SAP
Creation of an interface to SAP (adjustment of the data model, adjustment of the Oracle database, adjustment of C programs) for data transfer between the server and SAP
Languages: C, PL/SQL
Tools: SQLplus
Database: Oracle 7/8
Industry: Telecommunications

Aug 1997 - Mar 1998

8 months

Employee

Fa. IA Information Systems AG

Created a Java applet for displaying object relationships
Created an Active-X control for displaying object relationships

Industry experience

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

Experienced in Healthcare, Information Technology, Manufacturing, Insurance, Energy, and Banking and Finance.

Healthcare

Information Technology

Manufacturing

Insurance

Energy

Banking and Finance

Business area experience

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

Experienced in Information Technology, Product Development, Quality Assurance, Business Intelligence, and Accounting.

Information Technology

Product Development

Quality Assurance

Business Intelligence

Accounting

Skills

Databases

Ms Access 2000/2003/2007/2010/2021
Oracle
Sql Server 2000/2005/2008/2012/2014/2019
Sql Server Ce/2005
Sybase

Programming Languages/Programs

Testdirector/Quality Center
Team Foundation Server
.Net Compact Framework 1.0/2.0/3.5
Excel 2003/2007
Word 2003/2007
Asp.Net 2.0
C#, Vb .Net
.Net 1.1/2.0/3.0/3.5/4.0
Visual Basic
Visual Studio 2005/2008/2010
Visual Foxpro
Ajax
Odbc, Dao
Ole/Activex
Unix Shell Scripts
Pl/Sql, Sql
Adsi (Active Directory Service Interface)
Java
Shell Programming On Windows 95/98/Nt/2000/Xp/Vista
Oracle Web Server
Html
C++, Managed C++
Toad
Wpf (Windows Presentation Foundation)
Wcf (Windows Communication Foundation)
Linq
Nunit
Design Patterns (Mvc, Mvp, Factory, Singleton, Facade, Mvvm)
Analysis Services 2005, Mdx
Reporting Services 2005
Silverlight 4

Operating Systems

Unix
Windows 95/98/Nt/2000/Xp/Vista

Special Knowledge

Solid Know-How Of The Reinsurance Industry
Shell Programming
Enocean

Languages

German

Native

English

Advanced

Education

Oct 1993 - Jun 1997

FH Regensburg

Diplom-Informatiker (FH), focus on object-oriented software development · Computer Science (Engineering) · Regensburg, Germany · Good

Statistics

Experience

Total positions 36

Experience in Healthcare 26.5 y

Avg length 2 y 10 m

Longest experience 26 y 8 m

Global experience

Countries worked in 2 (Germany, Austria)

Primary country Germany

Expertise

Recent roles Architect/Software Developer, Architect/Software Developer/Infrastructure, Software Developer

Main industries Healthcare, Information Technology, Manufacturing

Main business areas Information Technology, Product Development, Quality Assurance

Profile

Member since

September 2025

Last update

September 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Have questions? Find more information here.

Stefan is based in Ottobrunn, Germany and prefers 100% remote projects.

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

Stefan has at least 29 years of experience. During this time, Stefan has worked in at least 7 different roles and for 32 different companies. The average length of individual experience is 1 year and 10 months. Note that Stefan may not have shared all experience and actually has more experience.

Based on recent experience, Stefan would be well-suited for roles such as: Architect/Software Developer, Architect/Software Developer/Infrastructure, Software Developer.

Stefan's most recent position is Architect/Software Developer at Global Logistics Support GmbH.

In recent years, Stefan has worked for Global Logistics Support GmbH, HDI, G+D, Own development, and Zeppelin Rental GmbH.

Stefan is most experienced in industries like Healthcare, Information Technology, and Manufacturing. Stefan also has some experience in Insurance, Energy, and Banking and Finance.

Stefan is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Stefan also has some experience in Business Intelligence and Accounting.

Stefan has recently worked in industries like Healthcare, Information Technology, and Manufacturing.

Stefan has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

Stefan attended FH Regensburg for Computer Science (Engineering).

Stefan is immediately available full-time for suitable projects.

Daily rate distribution

0 2 4 6 8

<€800 €800-1200 €1200-1600 €1600+

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.

1000

750

500

250

Daily rate avg. 940 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000

750

500

250

Median rate 800 €

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 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.