Hiring Guide: Xamarin Developers in the UK
Hiring professional Xamarin developers in the UK can help your business create high-performing, cross-platform mobile applications that feel native across iOS, Android, and Windows. Xamarin, powered by Microsoft’s .NET ecosystem, allows developers to share up to 90% of code across platforms, reducing time-to-market while maintaining quality and user experience. Whether you’re building enterprise-grade apps, integrating mobile with existing backend systems, or modernizing legacy applications, having the right Xamarin team ensures reliability, performance, and scalability.
Why Hire Xamarin Developers in the UK?
The UK technology market has a rich pool of experienced Xamarin developers with deep knowledge of .NET, C#, and Azure. They bring the ability to develop native-like apps using a shared codebase, integrating smoothly with Microsoft tools and enterprise systems. Hiring locally in the UK offers you cultural alignment, strong communication, and access to developers familiar with GDPR compliance, accessibility standards, and user expectations in European markets.
Core Responsibilities of Xamarin Developers
- Design, develop, and maintain cross-platform mobile applications using Xamarin.Forms or Xamarin.Native.
- Write reusable and efficient C# code for iOS, Android, and Windows platforms.
- Integrate APIs, cloud services, and backend systems (RESTful, GraphQL, Azure Functions, Firebase).
- Implement authentication, push notifications, and secure data storage.
- Work with UX/UI designers to create responsive and accessible mobile interfaces.
- Perform testing, debugging, and optimization for app performance and stability.
- Deploy and maintain applications via App Store, Google Play, or enterprise distribution.
Key Skills to Look For
- Languages: C#, XAML, JavaScript, SQL.
- Frameworks & Tools: Xamarin.Forms, Xamarin.Android, Xamarin.iOS, MAUI (for migration), Visual Studio, .NET MAUI Preview.
- Cloud Integration: Azure, AWS, Firebase, RESTful API services.
- Testing Tools: NUnit, Xamarin Test Cloud, App Center, Postman, xUnit.
- Architecture: MVVM, MVC, dependency injection, SOLID principles.
- Soft Skills: Agile collaboration, clear communication, user-centric thinking, and continuous learning.
When to Hire Xamarin Developers
- You want to build mobile apps that work across iOS and Android using one codebase.
- You’re maintaining legacy Xamarin apps and need updates for newer OS versions.
- You’re integrating mobile solutions into your enterprise software (CRM, ERP, HRM systems).
- You’re transitioning to .NET MAUI and need Xamarin developers experienced in migration.
How to Hire Xamarin Developers in the UK
1. Define Your Project Scope
Determine your project’s goals—whether it’s an MVP, a large enterprise solution, or modernization. Document required integrations, app features, and performance metrics.
2. Evaluate Portfolios and Technical Skills
Review candidates’ experience with Xamarin.Forms, cross-platform deployment, and integration with RESTful APIs. Check for real apps available on the App Store or Google Play.
3. Conduct Technical Interviews
- Ask about their experience handling platform-specific code in shared projects.
- Test knowledge of mobile lifecycle management and async programming in C#.
- Review their ability to optimize UI performance across different devices.
- Evaluate familiarity with Azure DevOps, Git workflows, and CI/CD pipelines.
4. Use a Small Technical Assignment
Ask the developer to create a basic cross-platform app that fetches API data and displays it using Xamarin.Forms. Assess their coding clarity, architecture, and use of MVVM patterns.
Average Cost of Hiring Xamarin Developers in the UK
Rates for Xamarin developers in the UK vary by experience and engagement model:
- Junior Developers (1–3 years): £35–£55/hour
- Mid-level Developers (3–6 years): £55–£85/hour
- Senior Developers (7+ years): £85–£120/hour
Hiring through Lemon.io connects you with pre-vetted Xamarin experts across the UK, offering fast matching, flexible engagement, and transparent pricing.
Why Hire Through Lemon.io?
At Lemon.io, every Xamarin developer undergoes a rigorous vetting process covering technical knowledge, communication skills, and project experience. Whether you need a single developer or a full remote team, Lemon.io ensures fast onboarding and smooth integration with your workflow. You’ll gain access to UK-based Xamarin experts who can deliver native-quality performance across all platforms—without the overhead of traditional hiring.
Hire Vetted Xamarin Developers in the UK →
Related Skills
FAQs About Hiring Xamarin Developers in the UK
What does a Xamarin developer do?
A Xamarin developer builds cross-platform mobile apps using C# and .NET, ensuring consistent performance across iOS, Android, and Windows while maintaining native look and feel.
Why hire Xamarin developers in the UK?
UK-based Xamarin developers offer strong technical expertise, cultural compatibility, GDPR awareness, and familiarity with modern .NET and Azure ecosystems.
What skills should I look for when hiring a Xamarin developer?
Look for proficiency in C#, .NET, Xamarin.Forms, MVVM architecture, RESTful APIs, and Azure integration, along with experience in mobile UI/UX optimization.
How much does it cost to hire Xamarin developers in the UK?
The average hourly rate ranges from £35 for juniors to £120 for senior developers. Costs vary depending on experience, project scope, and contract type.
Can I hire remote Xamarin developers through Lemon.io?
Yes. Lemon.io connects you with vetted Xamarin developers in the UK who are available for remote collaboration and flexible project engagement.