11 Senior iOS Developer Interview Questions

This question can help the interviewer determine how you might fit into their company culture. PWAs or Progressive Web Applications are a hybrid concept between websites and native mobile applications. It is also important for developers to be able to communicate effectively as they will need to be able to explain their ideas and designs to clients, colleagues, and other stakeholders. Mobile devices are often used on the go, which means that mobile apps need to be designed with user experience in mind. Developers need to take into account things like battery life and data usage when designing mobile apps. After reviewing the senior iOS interview questions and answers above, it’s wise to practice your own responses to increase your comfort level with the material.

IBeacon is the technology standard by Apple that allows mobile apps to listen from signs from beacons and react accordingly. This technology allows Mobile Apps to understand their position and deliver hyper-contextual content to users based on their location. 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.

What are the key UI features you feel are important to mobile applications?

They’re more likely to contribute fresh ideas, inform their team about new tools and perform well at work. This question can help interviewers understand how you approach challenges and solve problems. Use your answer to highlight your problem-solving skills, ability to collaborate with others and creativity when faced with a challenge. Native apps are written specifically for one platform, in the language used on said platform, i.e.

  • This is one of the most popular interview questions for senior iOS developer candidates, and it creates a unique opportunity for job seekers.
  • Finally, it provides the interviewer with an opportunity to learn more about the mobile developer’s thought process and how they approach problem-solving.
  • We’ve categorized the questions into different components to give you a well-rounded view of the potential individual you’ll hire.
  • A design pattern in programming where you can only use one instance per class.
  • This question can help the interviewer get to know your thoughts on what makes a good mobile app.

Finally, they may be trying to get a sense of the developer’s priorities when it comes to app development. First, it allows the interviewer to gauge the developer’s understanding of the mobile market and what it takes to be successful in it. Second, it gives the interviewer insight into the developer’s thought process and how they prioritize different aspects of app development. Finally, it helps the interviewer determine if the developer is a good fit for the company and its mobile app development needs.

Reasons to Learn Android Development

Application Developers work with one or more programming languages and operating systems to design functional programs. Their role is to understand user requirements and build features that meet these needs. This question can help the interviewer understand your problem-solving skills and how you approach new projects. Use examples from previous work to show that you’re a creative person who’s willing to try new things. Keeping users engaged, keeping up with bug fixes and updating app versions is part of the maintenance process.

  • Basecamp, Jira and Asana are examples of project management programs that are widely used today.
  • The advantage is that it allows objects to be allocated or released in a random order.
  • If they seem more competitive or individualistic, explain that you prefer a more challenging work environment where you can use your skills to solve problems on your own.
  • In conclusion, I am confident in my skills and experience in testing Android applications, and I believe my expertise can contribute positively to the success of the project at hand.
  • Good mobile app developers know that testing their own code is necessary.

With strong attention to detail, he has created many great apps and has delivered many projects for millions of users, both startups and big companies. Niels is a seasoned software architect and entrepreneur with over fifteen years of experience. He’s a generalist with strong communication and business skills who speaks the language of customers as well as techies. He has extensive experience as a product architect in B2B hi-tech software as well as B2C web and mobile software.

What experience do you have in developing Android applications?

This might include the installation, registration, activation and taking the first actions that will determine whether a user has adopted the app and/or product. Enter your email to receive your guide, and be ready for whatever questions come your way. See the most common questions in every category assessed by employers and be ready for anything. The portable wi-fi hotspot is used to share internet connection to other wireless devices.

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?

These questions assess both technical skills and teamwork abilities. This question can help the interviewer get to know your thoughts on what makes a good mobile app. Your answer should include your personal opinions and experiences, but you may also want to mention some of the most important factors that contribute to an app’s success. This question is a great way to show your interviewer that you have the skills and experience necessary for this role. When answering, it can be helpful to mention an app that was particularly successful or one that you’re proud of.

When an app is launched, what are its state transitions like?

Additionally, if you can describe use cases and provide examples, your answer will be far more compelling. Additionally, while Objective-C doesn’t support dynamic libraries or Tuples, Swift does. Swift also allows for defining methods in classes, enumeration, and structure, while Objective-C doesn’t; and Swift can define classes in just one file, while Objective-C can’t. Referred to as “core competency” design patterns by Apple, those recommended for iOS applications include Delegate, MVC, Observer, and Singleton.

mobile developer interview questions

Ask them how maintenance support programs are structured, and how they will address changes to the app as needed. Your developer needs to have an understanding of such implications and be able to demonstrate an understanding oh what issues might arise and what steps can be taken to mitigate them. Notifications are powerful because they help you communicate directly with users and deliver timely messages that can prompt actions or engagement. An experienced developer may still be capable of learning the functionality building you need; speak with them one-on-one to learn more. The following video is a great watch for understanding how to hire great developers.

Mobile Developer Interview Questions (With Example Answers)

You want to listen for the quality and versatility of their people, excellent teamwork and relationships, and stellar customer service and support. If all they talk about is the strength of their technical skills…run. Push notifications are an extremely powerful tool, but they are a sword that can from both how to become a mobile developer sides. In fact, annoying or too many notifications are the primary reason why people uninstall mobile apps, or disable such notifications (and thus they lose all their effectiveness). You’ll also have a strong indication if this mobile app developer is right for you based on looking at their portfolio.

What questions are asked in a developer interview?

  • What was your favorite project, and how did you approach it?
  • How would you explain a concept like _____ to a colleague with no tech background?
  • Tell me about a time you had to give a presentation.
  • Name a website or app that annoys you.

If you want to take your answer to this interview question up a notch, you can discuss a faux category and how it would be implemented. Alternatively, you could discuss a recent project that made use of categories, allowing you to reference a specific example. If you are developing an app for an specific platform, you are expected to know which are the disadvantages of that platform.

GCD is broadly considered a low-level C API that directly interacts with the Unix level of a given system, using a First-in, First-out (FIFO) approach for submitting tasks to the CPU. NSOperationQueue is a higher-level Objective-C class that https://remotemode.net/ works on top of GCD. There are hundreds of battle-proven software development experts in our Talent Network. (Like any in Swift) Since it can store any type, there will be no compilation errors and you can convert it to another type later.

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