App Development Interview Questions

These sample Application Developer interview questions will help you test technical skills and identify qualified candidates for your roles. You can also use our Boolean cheatsheet template to source professional App Developers.

A word of warning when using question lists.

Question lists offer a convenient way to start practicing for your interview. Unfortunately, they do little to recreate actual interview pressure. In a real interview you’ll never know what’s coming, and that’s what makes interviews so stressful.

What are some of the mobile apps you’ve developed?

Obviously, they’re going to tell you about their mobile development “wins” here. That’s good, because you want to know what they consider their wins to be. But when hiring mobile app developers, the main thing to listen for is how these past experiences relate to your needs. Do they make the connection themselves, or do you have to draw it out? And what mobile applications have they published that you can see and investigate for yourself?

Follow-up questions:

  • Tell me about a project similar to ours that you’ve done. Describe how you you completed it from start to finish.
  • What apps do you currently have active in iTunes or the Android Play Store? What have user reviews said about it?
  • Describe how one of your customers implemented an app you built, and what were the results?
  • What are your fees, rates, and terms?

    Listen for how they want to set up the project. Is it time and materials or flat-rate? Be very careful if they want to go flat-rate with you. At Ascendle, we always 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.

    Follow-up questions:

  • For what reasons do you bill based on time and materials (or flat-rate)? What happens if my needs or requirements change during the project?
  • How are your fees tied to milestones and performance?
  • What if I’m not satisfied with the project’s outcome … or how the project is proceeding? How will you / we resolve this?
  • What development platform do you recommend for our mobile app?

    When you’re hiring mobile app developers, the response you want here is cross-platform development. If they recommend one platform or the other, ask them why, but be prepared to cut the interview short. An unwillingness to pursue cross-platform development is a major red flag.

    Follow-up questions:

  • Tell me why I should (or shouldn’t) go with cross-platform development?
  • Describe a situation where cross-platform development caused problems for you or the client. How did you resolve those problems?
  • What tools and methods do you use for managing cross-platform projects?
  • How would you stop an application from crashing?

    Look for candidates who demonstrate a good working knowledge of programming principles.

    Tell us about apps you have previously developed. What role did you play in their development?

    This question can be answered by reviewing the portfolio. However, it also exposes the applicant’s products as a “win.” You should pay attention to the connection between their past works and the project at hand.

    Are the two projects related in any way? If not, can the developer handle the new challenges using their previous experience?

    You can also ask follow-up mobile app developer interview questions, like, “Is there a similar project to what we’re building?” Or, inquire if there are active mobile apps currently available in the App Store or Google Play that the applicant has worked on.

    Go beyond question lists using interview simulators.

    With interview simulators, you can take realistic mock interviews on your own, from anywhere.

    My Interview Practice offers a simulator that generates unique questions each time you practice, so you’ll never see what’s coming. There are questions for over 120 job titles, and each question is curated by actual industry professionals. You can take as many interviews as you need to, in order to build confidence.

    List of Questions In-Person Mock Interview My Interview Practice Simulator
    Questions Unknown Like Real Interviews
    Curated Questions Chosen Just for You
    No Research Required
    Share Your Practice Interview
    Do It Yourself
    Go At Your Own Pace

    The My Interview Practice simulator uses video to record your interview, so you feel pressure while practicing, and can see exactly how you came across after you’re done. You can even share your recorded responses with anyone to get valuable feedback.

    Application Developer Interview Questions with Answer Examples

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