Stefan K.-Software Engineer C# .NET
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Experience
Software Engineer C# .NET
Freelance Software Engineer
- Design of a software interface in a large-scale project for the defence sector. No further details can be provided due to the confidentiality of classified information.
- Design and development of a reporting application for the acceptance of coordinate measuring machines according to the ISO 10360 series of standards. Coordination and moderation of review meetings to clarify requirements in an international corporation.
- Development of a tool for backing up and restoring machine configurations for service operations on coordinate measuring machines.
- Consulting project to optimize and further develop an Access application for administrative tasks in an engineering office.
- Design and development of production software for parameterizing coordinate measuring machines. Co-design of interfaces and development of automation for generating configuration bundles for different machine configurations.
- Development of a service application for the geometric calibration of coordinate measuring machines based on gauge block measurements.
- Development of a maintenance app for updating and configuring water dispensers. Project support through the app launch, as well as training and project handover to a customer employee.
- Migration of a maintenance app for smart water filters, including finalization for the app launch and further development of the app to support multiple protocols.
Technologies: Git, Visual Studio Code, Confluence, Protobuf, Agile, C#, .NET, WPF, MVVM, GitHub Copilot, Visual Studio, MSTest, MigraDoc, Azure DevOps, Jira, OpenRPC, JSON, Microsoft Access, Entity Framework Core, Python, YAML, Build Pipelines, WinUI 3, XUnit, Atlassian Stack, Scrum
Software Developer
Rheinmetall Electronics GmbH
- No details can be provided due to the confidentiality of classified information.
Technologies: C#, .NET, UWP, MVVM, Git, Visual Studio, XUnit, Scrum
Software Engineer
SWMS Systemtechnik Ingenieurgesellschaft mbH
- Design and development of a multi-tenant web portal for configuring and controlling light strips for production halls, as well as monitoring sensor values and energy requirements.
- Development of an Android app for reading machine data from QR codes to create fault reports.
- Development of a web portal for reading, configuring, and updating E-bike components via a CAN bus protocol.
- Further development of a CAM system for manufacturing CFRP components. Improvement of user-friendliness and implementation of algorithms for processing 3D surfaces.
Technologies: C#, .NET, ASP.NET Core, OData, Angular, Phoenix Contact PLCnext, Entity Framework Core, Microsoft Azure Cloud, Azure IoT-Hub, MSSQL, Azure Cosmos DB, Azure Functions, Xamarin.Forms, ASP.NET MVC, Entity Framework 6, SignalR, MSTest, CAN-Bus, MS SQL, VB.NET, WPF, TFS, CATIA V5, Siemens NX
Systems Engineer for Manufacturing-Related Software
ASCO DATA
- Development of a class library for the automated creation of PDF reports.
- Implementation of a graphics library using OpenGL with compatibility with an existing graphics interface.
Technologies: C#, .NET, WPF, MVVM, Visual Studio 2012, SVN, C++, MFC, OpenGL
Internship Semester and Bachelor's Thesis
SWMS Systemtechnik Ingenieurgesellschaft mbH
- Bachelor's thesis: Development and implementation of algorithms for a 3D milling simulation, followed by integration into an existing software module.
- Internship semester: Porting and extension of a software module for the automated generation of milling processes in CATIA V5. Migration of the software from Visual Basic 6 to VB.NET with a WPF interface.
Technologies: VB.NET, WPF, MVVM, CATIA V5, Visual Studio 2012, TFS
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Aerospace and Defense, and Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
As an experienced software engineer with over 10 years of expertise in .NET development, I support companies as a flexible partner in implementing software projects. My goal: efficient, practical solutions that create value.
Languages
Education
Jade University of Applied Sciences
Bachelor of Engineering · Mechanical Engineering and Computer Science · Wilhelmshaven, Germany
BBS Friedenstraße
Advanced Technical College Entrance Qualification · Technical College · Wilhelmshaven, Germany
Marinearsenal
Training as an IT Systems Electronics Technician, Skilled Worker · IT Systems Electronics Technician · Wilhelmshaven, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Stefan is based in Oldenburg, Germany and can operate in on-site, hybrid, and remote work models.
Stefan speaks the following languages: German (Native).
Stefan has at least 13 years of experience. During this time, Stefan has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 3 years and 7 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: Software Engineer C# .NET, Software Developer, Software Engineer.
Stefan's most recent position is Software Engineer C# .NET at Freelance Software Engineer.
In recent years, Stefan has worked for Freelance Software Engineer.
Stefan is most experienced in industries like Manufacturing, Aerospace and Defense, and Information Technology.
Stefan is most experienced in business areas like Information Technology and Product Development.
Stefan has recently worked in industries like Aerospace and Defense and Manufacturing.
Stefan has recently worked in business areas like Information Technology.
Stefan holds a Bachelor in Mechanical Engineering and Computer Science from Jade University of Applied Sciences.
The availability of Stefan needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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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 9 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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