A comprehensive technical interview question bank for evaluating senior Flutter and Dart developers.
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Senior Questions - 38 architecture and design questions covering:
- Mixins vs Inheritance vs Composition
- Spread operators & collection handling
- Operator overloading & API design
- Incremental development & hot reload
- Polymorphism, generics & variance
- Equality, hashing &
identical - StatefulWidget lifecycle & state management
- Async patterns (Future, microtask, event loop)
- Advanced algorithms (factorial, BigInt)
- System design & real-world trade-offs
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Output-Only Code Questions - 21 code snippets testing:
- Mixin method resolution
- Inheritance & operator overrides
- Spread operators & null-safety
- Async ordering (Future/microtask/then)
- StatefulWidget lifecycle
- App lifecycle states
- Recursion & polymorphism
- Closure capture & const canonicalization
Interviewers:
- Start with output-only questions for initial screening (10-15 min)
- Select 3-5 senior questions for deep technical discussion (30-40 min)
- Combine with live coding for comprehensive assessment
Candidates:
- Review all senior questions to prepare for architectural discussions
- Test yourself with output-only challenges without running code
- Practice explaining your reasoning and trade-offs
For interviewers:
- Select 3-5 senior questions for 30-40 minute technical discussions
- Use output-only questions for quick 10-minute screening
- Combine with live coding exercises for comprehensive assessment
For candidates:
- Review questions to prepare for senior Flutter/Dart interviews
- Test your understanding of advanced language features
- Practice reasoning about code execution without running it
Mixins • Inheritance • Polymorphism • Spread Operators • Operator Overloading • Async/Await • Future • Microtask • StatefulWidget Lifecycle • App Lifecycle • Recursion • BigInt • Factorial • Generics • Variance • State Management • Performance Optimization • Architecture Patterns