WinUI Experts in Germany
in minutes from over 15,000 CVs with the power of AIHire experts who build modern Windows desktop interfaces, migrate from WPF or UWP to WinUI 3, and tune XAML layouts, navigation, and app performance, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used WinUI
Giuseppe Abrignani
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 Demmler
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 Kirsch
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 Spahlinger
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 Meßinger
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
Paul Goebel
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
18 years
Position duration
2.3 years
Positions per freelancer
12
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Transportation
Bachelor's degree or higher
100%
Master's degree or higher
60%
Doctorate
20%
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
67%
Based on our profile pool as of 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Modern Windows UI
WinUI is Microsoft’s native UI layer for modern Windows apps. Teams use it to build desktop products with a fluent look, clean navigation, and responsive layouts that fit current Windows design standards. It is a strong choice when the app needs to feel native on Windows 10 and Windows 11.
What specialists deliver
- WinUI 3 app screens and navigation flows
- XAML layouts, controls, and theming
- Desktop app migration from WPF or UWP
- Windows app polish for keyboard and mouse use
Ecosystem and tools
Strong professionals usually work with XAML, C#, .NET, and the Windows App SDK. They know how to connect UI code with app state, data binding, and native Windows features. Experience with accessibility, packaging, and Microsoft Store delivery is often important too.
When to bring in help
Companies often need freelance support when a Windows app must be modernized, a UWP app needs a path forward, or a new product should use WinUI 3 from the start. In Germany, this is common in enterprise software, industrial tools, and internal business apps where Windows remains the main desktop environment.
What strong experts do
A good specialist keeps the interface stable while improving speed, structure, and maintainability. They understand control templates, async UI work, and how to avoid brittle view logic. They also spot integration issues early, especially when the app must work with legacy services or on-premise systems.
Typical project fit
- New WinUI 3 desktop applications
- UI redesign for existing Windows software
- Migration planning from older Microsoft UI stacks
- Bug fixing in XAML, navigation, or app startup
Frequently asked questions
What clients ask us most about WinUI — answered in short.
WinUI is used to build native Windows app interfaces with a modern look and feel. Teams choose it for desktop software, line-of-business tools, internal business apps, and products that need a fluent Windows experience. It is especially relevant when the app should feel current on Windows 11 without giving up native behavior.
WinUI is usually the newer choice when teams want modern Windows controls and a more current UI stack. Compared with WPF, it is closer to the latest Windows design direction; compared with UWP, it is often used as the path forward through WinUI 3 and the Windows App SDK. The right choice depends on whether you are modernizing an existing app or starting fresh.
WinUI is the broader name people use for Microsoft’s modern Windows UI technology, while WinUI 3 refers to the current desktop-focused implementation. In search and project discussions, both terms often point to the same kind of work. A good specialist should be comfortable with the distinction and with the Windows App SDK around it.
A strong WinUI specialist usually knows C#, .NET, XAML, data binding, and the Windows App SDK. Depending on the app, they may also need skills in accessibility, packaging, navigation design, and integration with local services or APIs. For migration work, experience with WPF or UWP is often useful.
With WinUI, even small projects benefit from someone who has shipped real Windows apps. If you are designing a new interface, modernizing an existing product, or solving startup and navigation issues, a specialist can prevent costly rework. The more legacy code or UI complexity you have, the more valuable that help becomes.
Yes, WinUI work is often well suited to remote collaboration, especially for design reviews, code changes, and migration planning. For German teams, remote specialists can work effectively if requirements are clear and communication is structured. On-site time can still help when access to internal systems, hardware, or sensitive environments is needed.
A good WinUI professional writes clean XAML, keeps views maintainable, and avoids fragile UI logic. Look for evidence of responsive layouts, accessible controls, and careful handling of state and navigation. If the project involves migration, they should also show a clear path from the old stack to WinUI 3.
A WinUI freelancer will usually ask about the target platform, the current codebase, and whether the work is a new build or a migration. They also need to know which Microsoft technologies are already in place, such as .NET, the Windows App SDK, or older UI frameworks. Clear scope and environment details help them estimate the effort and reduce risk.
The average hourly rate of freelancers in Germany who have used WinUI in their recent projects is 90 €, which corresponds to a daily rate of about 718 € 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, 60% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Germany who have used WinUI in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used WinUI in their recent projects are German (100%), English (67%), and Spanish (17%).
The most common industries among freelancers in Germany who have used WinUI in their recent projects are Information Technology (83%), Manufacturing (83%), and Transportation (50%).
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 Project Management (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.
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