Application Developer Interview Questions

These sample Application Developer interview questions will help you test technical skills and identify qualified candidates for your roles.

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Application Developer qualifications to look for

Application Developers use programming languages and operating systems to design functional programs and applications (a.k.a. ‘apps’).

Junior positions may require a degree in Engineering/Computer Science along with a relevant internship. For a senior-level role, top hires will have solid experience in the Software Development Life Cycle (SDLC.), along with relevant education requirements. 

Use a written assignment to test your candidate’s coding skills. 

Keep an eye out for candidates who:

  • Are passionate about their field
  • Love working on side projects 
  • Keep up current with the latest tools
  • Take initiative to contribute fresh ideas

Top tip: Hire candidates willing to grow by making sure their personal career goals align with your company's mission.

Problem-solving interview questions

  • What app or feature do you think would make our customers' experience more enjoyable? 
  • We need you to change/implement features on an application to make it faster. What’s your process? 
  • How do you scale an application to fit multiple screen sizes?
  • You discovered that a feature you designed slows the application. How do you solve this?

Role-specific interview questions

  • Tell me about the programming languages you’re familiar with.
  • How do you choose interfaces to create a user-friendly application?
  • What steps do you take to minimize security risks?
  • How do you migrate an application from one platform to another?
  • Explain the differences between web and mobile applications?
  • Troubleshoot a crashing application for me.

Behavioral interview questions

  • What are your favorite mobile apps? What features do you like most about them?
  • What’s your area of expertise? What are you currently learning more about and why? 
  • Are you currently involved in a side project? Tell me about them. 
  • What's your proudest application achievement to date?  Why and what was your role in the development team?

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