WinUI Experts in Germany
matched in minutes by AIHire experts who create modern Windows desktop applications with WinUI 3, XAML and the Windows App SDK, from product interfaces to enterprise tools. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Germany, who have recently used WinUI
Giuseppe A.
Last position:
Embedded Software Development at Inheco
- AI Integration (LLM & RAG): Designed and built an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data to automatically analyze technical documents and error logs.
- Design & Implementation: Designed a robust RS-232/UART communication interface for an SBC-based embedded device used to control medical shaker systems.
- Architecture & Protocol Design: Built a highly maintainable software structure (OOP, SOLID) and defined resilient, hardware-level communication protocols, including multithreading and advanced error handling.
- Quality Assurance & DevOps: Automated testing with xUnit, ran integration tests directly on the hardware target, and maintained technical documentation 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
Stefan K.
Last position:
Software Engineer C# .NET at 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
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
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
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 29 Oct 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
What WinUI is
WinUI is Microsoft’s modern native user interface framework for Windows applications. WinUI 3 is delivered through the Windows App SDK and uses XAML with C# or C++ to create responsive desktop experiences. It is suited to new products and to carefully modernised Windows software.
Where it is used
WinUI supports focused business tools, rich desktop clients and consumer applications that need native Windows integration.
- Enterprise line-of-business applications
- Inventory, logistics and operations interfaces
- Media, creative and engineering tools
- Companion apps for Microsoft-connected products
- Modern replacements for older desktop software
Ecosystem and tooling
Professionals work with WinUI 3, the Windows App SDK, XAML, C# and sometimes C++. The wider toolkit includes Visual Studio, XAML Designer, Windows App SDK packaging, MSIX, NuGet and Windows App Runtime. Strong projects may also use CommunityToolkit.WinUI, WebView2, WinUI controls and accessibility tooling.
When companies need specialists
Freelance expertise helps when an internal team must deliver a Windows interface without slowing its core product work. It is also valuable when a company is moving from WPF, UWP or Win32 and needs clear decisions about migration, packaging, navigation, state and long-term maintenance.
- A prototype needs a production-ready desktop shell
- Legacy XAML views need redesign or migration
- Native Windows features need reliable integration
- Performance, accessibility or visual consistency is weak
What strong professionals deliver
Experienced specialists turn product requirements into maintainable XAML views, reusable controls and clear application structure. They understand data binding, commands, dependency injection, async work, threading and navigation, while keeping UI state predictable. They also test keyboard access, scaling, localization and deployment instead of treating them as final fixes.
Choosing the right fit
Review shipped Windows applications, not only screenshots. Ask how the professional approaches WinUI 3 and the Windows App SDK, handles existing WPF or Win32 code, packages releases and investigates performance issues. For teams in Germany, remote collaboration works well when requirements, review routines and language expectations are agreed early; on-site workshops can help with complex enterprise environments.
Frequently asked questions
What clients ask us most about WinUI — answered in short.
WinUI is used to create modern native Windows applications with responsive interfaces and access to Windows features. Typical work includes enterprise tools, operational software, media applications, desktop clients and replacements for older Win32, WPF or UWP products.
WinUI 3 is Microsoft’s newer native UI option for Windows applications and is commonly used with the Windows App SDK. WPF remains established and practical for existing .NET desktop systems, while UWP has a more restricted application model; the right choice depends on deployment needs, existing code and required Windows integration.
A strong WinUI specialist usually combines XAML, C# or C++ and the Windows App SDK with practical knowledge of Visual Studio, MSIX and Windows App Runtime. Useful adjacent skills include MVVM, REST or GraphQL integration, WebView2, automated UI testing, accessibility and performance profiling.
WinUI work benefits from experience with complete Windows application delivery, not just isolated screens. A smaller interface task may need a specialist who can build and test views, while a migration or enterprise product calls for someone comfortable with architecture, packaging, legacy code and release support.
WinUI projects are often suitable for remote collaboration because code, design reviews and test builds can be shared digitally. German companies should define working hours, documentation standards and whether German-language communication is required; occasional on-site workshops may help when teams are aligning on complex desktop workflows.
WinUI is a strong fit when a product is specifically focused on Windows and needs native performance, familiar system behavior, offline operation or deep desktop integration. A web or cross-platform approach may be more suitable when the same interface must serve several operating systems with minimal platform-specific work.
Ask a WinUI professional to explain decisions around state management, threading, accessibility, scaling, packaging and error handling. Review a working sample or shipped application, inspect how reusable the XAML and controls are, and discuss how the specialist tests real devices rather than relying only on a designer preview.
WinUI migration can expose differences in APIs, application lifecycle, packaging, navigation and control behavior. Moving from WPF, UWP or Win32 requires an assessment of reusable code and replacement areas, plus a plan for incremental delivery so the existing product remains stable during the transition.
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
