10 Essential Mobile App Interview Questions and Answers


The process of selecting which implementation of a polymorphic operation to call at run time is called Dynamic dispatch. It is used when we need to invoke our methods like the object method. Like an interface in Java, the protocol defines a list of optional and required methods that a class can/must implement to adopt the protocol. Any class can define a protocol, and other classes can send protocol method-based messages to the class without knowing its type.

This enables them to gain an understanding of your business and audience. In turn, it can help them imagine what how to become a mobile developer they can do for your organization. This allows for a deeper discussion of  your goals and plans for the app.

What is a type identifier?

The work atmosphere and culture could be very different from what the mobile app developer is used to, and therefore might not be the best fit. If the developer has a keen understanding of processes, how paperwork and procedure is managed and budgets, then he or she may be a valuable asset to your team. Implementing this testing process has resulted in a significant decrease in the number of crashes and stability issues encountered by users of the application. In particular, the use of automated testing has caught a number of obscure issues that would have been difficult to identify manually. Thanks to this process, our application maintains a high level of stability across different devices and OS versions.

mobile developer interview questions

On the other hand, responsive websites only have access to the features which the browser has access to. For security reasons, a browser is sandboxed (or limited in terms of functional access). You can’t expect a mobile app developer to successfully build your app without understanding what it is you do and how the app will make a difference. You’ll want to interview the product managers who were in charge of the app in the first place, and ask about how the developer managed the app development and worked with internal teams.

Hiring Mobile App Developers: 7 Essential Interview Questions

If you’re a large enterprise, you might feel more comfort knowing the mobile app developer you want to hire has similar experience. If you’re new to the mobile app world, finding the right person might be difficult if you don’t know what questions to ask. Before you do your research, you should ask yourself the following questions. These are the same questions, we ask, when performing our hiring process. The most important thing for a mobile marketer to keep in mind when promoting apps is to make sure that the app is compatible with the devices that the target audience is using. It is also important to promote the app in places where the target audience is likely to see it, such as on social media or in app stores.

I have extensive experience in integrating third-party libraries and APIs into Android apps. In my previous role at XYZ Inc, I was responsible for integrating several APIs into our product, including the Google Maps API and the Facebook API. I also integrated libraries such as Retrofit for RESTful API calls and ButterKnife for view binding. To ensure that these optimizations were sustainable, I implemented a monitoring system to track app performance over time.

Applications Developer Interview Questions

Once you have that list, ask the developer what functionalities and features they have experience developing. If your app requires very specific integrations that need to be included, then you’ll need to work with a developer with experience. At the end of the day, you want your mobile app developer to be as heavily invested in the app as you. A developer who has worked on apps of similar functionality, or who has clients in the same industry may be a positive fit. They’ll already have an understanding of your business model and will know what it will take to achieve mobile app success.

And this question will gauge the applicant’s knowledge on these tools, which can make or break your success. So make sure to stir out specific answers from the professional to see how they can incorporate their knowledge directly into your project. Hiring mobile app developers can be tricky, especially if you’re a startup. You need to allot time and resources to find the right professional for the job. On top of that, there is a significant risk you need to undertake.

How To Install Android Studio In Your System?

This is because native mobile apps are able to access the native functions of the device on which they are running. In many cases, matching best practice guidance is an easy way to begin when developing a response to this question. Overall, designing an Android application’s user interface requires a balance of design principles, technical considerations, brand identity, and innovation. Ensuring a clear and accessible user interface that is optimized for performance is key to providing a positive user experience, and should be continuously tested through user groups. Our interview questions and answers do not represent any organization, school, or company on our site.

What questions should you ask a mobile app developer before hiring them?

  • How many apps have you developed?
  • What apps can I download from the App Store or Google Play?
  • Can I talk to the client for whom you developed the app?
  • What programming languages do you work with to develop native apps?

The developer might provide an offline mode and different data loading behavior when working on WiFi, LTE, 3G or H; e.g., do not download movies or request lower-quality images. It is also very hard to design one app that looks nice and is user-friendly for both iOS and Android. On the other hand, the process of writing a hybrid app might be cheaper and faster than writing a native app for each platform. At Ascendle, we always https://remotemode.net/ set projects up on a time and materials basis because it allows the flexibility you need in mobile development – especially when your needs change halfway through. CollectiveRay is a website that helps companies who use their website as a primary channel for the success of their business. We help by creating actionable posts, guides and reviews around WordPress, web design, hosting and other online software platforms.