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Sample Interview Questions
Technical Questions
- Coding and Algorithms:
- Solve problems involving arrays, strings, linked lists, trees, and graphs.
- Example: Implement a function to reverse a linked list.
- Example: Write an algorithm to find the shortest path in a graph using Dijkstra’s Algorithm.
- System Design:
- Design a scalable system or application.
- Example: Design a URL shortening service (e.g., Bitly).
- Example: How would you design a real-time chat application?
- Databases:
- Write SQL queries and understand database design principles.
- Example: Write a query to find the top 10 highest-selling products.
- Example: Explain normalization and denormalization in database design.
- Version Control:
- Demonstrate understanding of Git commands and workflows.
- Example: How do you resolve a merge conflict in Git?
- Example: What is the difference between a pull request and a merge request?
- Testing:
- Understand testing strategies and frameworks.
- Example: What is the purpose of unit testing and how does it differ from integration testing?
- Example: How would you use Mockito for mocking in unit tests?
- Design Patterns:
- Explain and implement common design patterns.
- Example: Implement a Singleton pattern in Java.
- Example: Describe the Observer pattern and provide an example of its use.
Behavioral Questions
- Problem-Solving:
- Describe a challenging technical problem you encountered and how you solved it.
- Example: Tell me about a time when you had to troubleshoot a critical bug in production.
- Collaboration:
- How do you handle disagreements or conflicts with team members?
- Example: Describe a time when you worked with a team to achieve a common goal.
- Learning and Adaptation:
- How do you keep up with new technologies and advancements in software engineering?
- Example: Describe a new tool or technology you recently learned and how it improved your work.
- Project Management:
- How do you manage your time and prioritize tasks when working on multiple projects?
- Example: Tell me about a time when you had to meet a tight deadline and how you handled it.