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HomeDesign & DevelopmentTop interview questions an employer need to ask a Xamarin developer

Top interview questions an employer need to ask a Xamarin developer

There are several source platforms where multiple languages are implemented to develop programs, applications, OS, websites, and so on. One such platform is the .Net, designed by Microsoft. Dot net has become quite popular in the global software industry, thanks to the ease of use, features, built-in libraries, and other language scopes. However, .Net has certain limitations that didn’t allow the developers to design application-based programs freely. 

This is where the extended version of .Net, Xamarin, changes the software industry. Xamarin implements C# language but uses the library frameworks of .Net to provide a high level of versatility to the developers. Since it is an open-source cross-platform, many companies shift towards Xamarin rather than rely on Java or more complicated platforms. 

However, it is not easy to hire Xamarin developers for any project. These developers should possess unique knowledge about the various aspects of the language, and they should have firsthand experience working on a real-life project with Xamarin. Since it is so complicated to hire the best developers, we have compiled a full list of questions every employer should ask a Xamarin developer at the time of hiring. 

Do they have in-depth knowledge about the basic programming language, C#?

The first question that you need to ask the Xamarin developers is the extent of their knowledge about the C# language. It is the basic programming language that needs to be used in the Xamarin platform. Along with this, the cross-platform extends the framework of .Net. Hence, you also need to ensure that the professionals are well aware of the .Net technology. To hire Xamarin developers, start with the fundamental questions about both the technical platforms like variables, scopes, functions, framework models, and so on. Once you are satisfied with their basic knowledge, go to the depth to understand whether they have explicit knowledge about both the platforms or not. 

How much experience do they have in working with MVVM cross-platforms?

Since Xamarin is cross-platform, it implements MVVM or the famous Model View- ViewModel. Whenever you hire Xamarin developers, you need to ensure that he is very well familiar with this networking model. No matter what kind of application or website he will be developing, having knowledge about MVVM is mandatory. The developer must have experience handling the model, and reading the results for implementing them in the Xamarin programs. 

How much knowledge they have about Reactive UI and its implementation?

Reactive UI is a popular framework that is used both in .Net, and Xamarian platform. From the name itself, you can understand that this particular framework is used to create a user interface that can be changed dynamically without changing the rest of the codes. If the developer is not familiar with how Reactive UI works, and how it is implemented in the Xamarin programs, choosing such professionals will be a waste of time, and money. 

Are they familiar with the Xamarin studio?

The next question you need to ask to hire Xamarin developers is their familiarity with the Xamarin studio. This is an exceptional platform where various kinds of mobile applications can be developed for cross-platforms. The Studio will offer several functions like debugging, identifying the loopholes, compilation of the C# codes, a specialized UI builder specifically forAndroid OS, and so on. The developer needs to be aware of these features, and how they work. Xamarin Studio is the base platform on which the entire working is dependent. So, without a piece of explicit knowledge about the Studio, the developer would never develop the codes, debug them, integrate the programs with UI designs, build APIs, and others. 

Are they suitable for working with the specialized application-based Xamarin tools?

Xamarin provides a platform for the development of several kinds of mobile applications for different OS. Also, applications for Mac, and Windows can be designed on Xamarin. However, unlike any other cross-platforms, you will have different tools for different kinds of OS applications. For example, if you want to develop a Mac OS, you cannot do it on the tool specifically designed to develop Windows applications. This is something you need to keep in mind when you want to hire Xamarin developers. The developers should have proper knowledge about the various special tools offered by the Xamarin platform.  

Do they know how to test the Xamarin codes after development?

The last thing you need to look for is their ability to test the application’s performance after the development. The app performance testing will include checking the workflows, designs, back codes, security codes, performance efficiency of the application, response time, etc. When you want to hire Xamarin developers, you need to ensure that they know how to successfully test the applications. 


These are some of the questions you need to include in your list to hire Xamarin developers. But, make sure that the answers they are giving are from their hands-on experience, and not from the books they have studied. After all, if you choose an amateur developer, you will have to train him about real-life projects from scratch, which will be a problem in itself. 



This article is written by Ritesh Patil. He is the co-founder of Mobisoft Infotech, leading healthcare mobile app development company in India, USA. He’s an avid blogger, loves innovation, and writes on diverse healthcare application areas. He works with skilled digital health app developers that have delivered innovative mobile applications.
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