WinUI Experts in Germany
matched in minutes from over 15,000 CVsHire experts who create modern Windows desktop experiences with WinUI 3, XAML, C# and the Windows App SDK. Work with vetted, available freelancers matched precisely to your project, whether you need a new application, a legacy migration or focused UI expertise.
Meet FRATCH Experts in Germany, who have recently used WinUI
Giuseppe A.
Last position:
Embedded Software Developer at Inheco
- AI Integration (LLM & RAG): Design and build of an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data for the automated analysis of technical documents and error logs.
- Design & Implementation: Design of a robust RS-232/UART communication interface for an SBC-based embedded device to control medical shaker systems.
- Architecture & Protocol Design: Implementation of a highly maintainable software structure (OOP, SOLID) and definition of hardware-close, resilient communication protocols including multithreading and advanced error handling.
- Quality Assurance & DevOps: Test automation using xUnit, integration tests directly on the hardware target, and maintenance of technical documentation according to strict medical technology standards via Azure DevOps.
Label: C#, .NET, LLMs, RAG, n8n, RS-232, UART, Multithreading, async/await, xUnit, gRPC/protobuf, Blazor, MudBlazor, EF Core, Visual Studio 2026, Azure DevOps
Markus D.
Last position:
Senior Developer, Coach: Retail
- Developed an app for store management
- Technologies: C#/XAML, Xamarin.Forms, MvvmCross, NUnit, Xamarin.UITest, Entity Framework Core, ASP.NET Core Web API, Azure DevOps, Visual Studio App Center
Stefan K.
Last position:
Software Engineer C# .NET at Freelance Software Engineer
- Conceptualized a software interface in a large-scale project for the defense sector. No details can be shared due to classified information confidentiality.
- Designed and developed a reporting application for the acceptance testing of coordinate measuring machines according to the ISO 10360 standard series. Coordinated and led review meetings to clarify requirements within an international corporation.
- Developed a tool to back up and restore machine configurations for service operations on coordinate measuring machines.
- Consulting project to optimize and enhance an Access application for administrative tasks in an engineering office.
- Designed and developed production software for parameterizing coordinate measuring machines. Shaped the interfaces and developed automation to generate configuration bundles for different machine setups.
- Developed a service application for geometric calibration of coordinate measuring machines based on end measurement data.
- Developed a maintenance app for updating and configuring water dispensers. Managed the project through to app launch and trained and handed over the project to a client employee.
- Migrated a maintenance app for smart water filters, including finalizing it for app launch and further developing 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
Tilmann S.
Last position:
Technical Expert, Software Architect at Rolls Royce Power Systems / MTU
- Created concepts and architecture for ECU diagnostics over CAN-Bus using UDS, PDX, ODX and safety paradigms
- Designed system deployment for EMS and documented using UML, Draw.io, MS Word, MS Visio and Confluence
- Developed process flows for development, planning, logistics, test & diagnostics in Scrum with Jira and MS Planner
- Communicated across multiple customer teams, conducted knowledge transfer
Jens M.
Last position:
Fullstack Developer / Team Lead at Self-employed (Meßinger & Rantzuch GbR)
- Provided fullstack web development as a new development and replacement of existing desktop and web applications for an ERP solutions provider in the education sector
- Analyzed and redesigned development processes and collaboration in distributed teams
- Responsibilities included team leadership, conceptual design, architecture, implementation, DevOps and consulting
- Technologies: C# & .NET (ASP.NET 7), Angular 14, JavaScript/TypeScript, OData/REST, SOAP, Azure DevOps
- Integrated interfaces to educational providers and authorities
Tobias B.
Last position:
C# Full Stack-Software Developer
- Developed a brokerage app for small vendors in sales and transport using C#, .Net MAUI, Azure DevOps, Blazor, and PowerShell.
Sven B.
Last position:
Xamarin & Windows Forms Developer at Deutsche Post AG
- Development using Xamarin for Android
- Windows Forms development
Paul G.
Last position:
Software Developer at Independent Software Developer
Discover over 15,000 top freelancers
Statistics of experts using WinUI
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
2.8 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Transportation, Manufacturing
Bachelor's degree or higher
100%
Master's degree or higher
57%
Doctorate
14%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
75%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using WinUI
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.
WinUI experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (88%)
- Transportation (63%)
- Manufacturing (63%)
- Banking and Finance (38%)
- Media and Entertainment (38%)
- Professional Services (38%)
- Automotive (25%)
- Education (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Windows application foundation
WinUI is Microsoft’s native UI framework for creating modern Windows applications. Its current direction, WinUI 3, is delivered through the Windows App SDK and uses XAML for interface design with C# or C++ for application logic. It supports desktop software that needs responsive layouts, native Windows behavior and a consistent Fluent Design experience.
Where WinUI fits
WinUI is suited to business software, productivity tools, device companions, media applications and specialist desktop products. It gives teams access to Windows capabilities while keeping presentation and application logic structured.
- Create new Windows desktop applications
- Modernize older WPF or UWP interfaces
- Connect desktop screens to APIs and business systems
- Deliver accessible, responsive user experiences
Ecosystem and tooling
Strong WinUI work often includes the Windows App SDK, XAML, .NET, C# and Visual Studio. Specialists may also work with MVVM libraries, dependency injection, REST or GraphQL services, local storage, notifications and Windows App Runtime. MSIX packaging, signing, updates and diagnostic tooling matter when an application must be distributed reliably.
When companies bring in specialists
Companies usually need freelance expertise when a Windows product must move from concept to a usable interface, when a legacy application needs a controlled modernization or when an internal team lacks focused knowledge of native Windows UI. In Germany, WinUI work can support manufacturing, logistics, healthcare, finance and public-sector software, with remote delivery combined with on-site workshops when useful.
- Establish a maintainable UI architecture
- Replace dated controls and interaction patterns
- Resolve rendering, performance or packaging issues
- Prepare a release for internal or external distribution
What capable professionals deliver
Experienced professionals translate product requirements into clear XAML views, reusable controls and reliable interaction flows. They understand data binding, commands, navigation, state management and accessibility rather than treating the interface as a collection of screens. They also test across supported Windows environments and consider deployment from the start.
Choosing the right profile
Look for evidence of complete WinUI delivery, not only isolated UI samples. Ask how the specialist handled application architecture, API integration, packaging, testing and upgrades between Windows technologies. German or English communication may be relevant for distributed teams, while knowledge of the company’s domain helps turn native platform features into useful workflows.
Frequently asked questions
What clients ask us most about WinUI — answered in short.
WinUI is used to build native Windows desktop applications with modern controls, layouts and Fluent Design patterns. It fits business tools, productivity software, device applications and other products that need close integration with Windows.
WinUI 3 is Microsoft’s current direction for modern native Windows interfaces and is delivered through the Windows App SDK. WPF remains widely used for established .NET desktop systems, while UWP offers a different application model; the right choice depends on existing code, deployment needs and required Windows capabilities.
A strong WinUI specialist commonly works with XAML, C#, .NET, MVVM, REST APIs and Visual Studio. Knowledge of MSIX packaging, accessibility, automated testing and Windows App SDK services is valuable for production applications.
WinUI project needs vary with the scope and condition of the codebase. A focused screen or control can suit a specialist with targeted experience, while a new product or migration calls for someone comfortable with architecture, data integration, testing and release management.
WinUI work is often suitable for remote collaboration because source code, design reviews and testing can be shared digitally. On-site workshops may still help when the application connects to local devices, controlled environments or teams that prefer direct planning sessions in Germany.
Before starting WinUI work, a freelancer should clarify the target Windows versions, application model, existing WPF or UWP code, API boundaries and packaging process. They should also understand the team’s architecture standards, review workflow and expectations for documentation.
Review a WinUI specialist’s examples for clean XAML structure, sensible state handling, accessibility and consistent interaction patterns. Ask for specific decisions about performance, deployment, testing and maintainability rather than judging visual polish alone.
WinUI is a strong choice when the product is intentionally Windows-focused and needs native controls, Windows integration or a familiar desktop experience. A cross-platform framework may be more suitable when the same application must run across several operating systems with a shared codebase.
The average hourly rate of freelancers in Germany who have used WinUI in their recent projects is 88 €, which corresponds to a daily rate of about 703 € based on an 8-hour working day.
Of the freelancers in Germany who have used WinUI in their recent projects, 100% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Germany who have used WinUI in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Germany who have used WinUI in their recent projects are German (100%), English (75%), and Spanish (25%).
The most common industries among freelancers in Germany who have used WinUI in their recent projects are Information Technology (88%), Transportation (63%), and Manufacturing (63%).
The most common business areas among freelancers in Germany who have used WinUI in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (50%).
Main locations of FRATCH Experts, who have recently used WinUI
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
