Dart is a programming language created by Google that's mainly used to build mobile apps that work on both iPhones and Android phones. It's especially popular because it's the language used with Flutter, which is Google's toolkit for creating mobile apps. Think of Dart as the language that lets developers write one set of code that can power apps across different devices, instead of having to write separate code for each type of phone. This approach saves time and money for companies developing mobile applications. It's similar to other mobile development tools like React Native or Kotlin, but it's specifically designed to work best with Flutter for creating smooth, fast-running mobile apps.
Developed cross-platform mobile application using Dart and Flutter
Led team of 3 developers in creating company's flagship app with Dart
Improved app performance by optimizing Dart code and reducing memory usage
Typical job title: "Dart Developers"
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Q: How would you architect a large-scale mobile application using Dart and Flutter?
Expected Answer: A senior developer should explain how they would organize the app's structure, manage state, handle data flow, and ensure the app performs well across different devices and platforms.
Q: How do you ensure code quality and maintainability in a Dart project?
Expected Answer: Should discuss coding standards, testing strategies, code review processes, and how they would organize team workflows to maintain high-quality code.
Q: How do you handle state management in a Dart/Flutter application?
Expected Answer: Should be able to explain different ways of managing data in the app, like saving user preferences or handling temporary information while the app is running.
Q: Explain how you would integrate third-party services into a Dart application.
Expected Answer: Should demonstrate understanding of how to connect the app with external services like payment systems or social media login.
Q: What are the basic data types in Dart?
Expected Answer: Should be able to explain the simple building blocks of Dart programming, like how to store text, numbers, and lists of information.
Q: How do you create a simple screen layout using Dart and Flutter?
Expected Answer: Should demonstrate basic understanding of creating app screens and arranging elements like buttons and text on the screen.