Node.js Developer

- Explain the event-driven architecture in Node.js and how it handles asynchronous operations.
- How do you manage different environments (development, staging, production) in a Node.js application?
- What are streams in Node.js, and can you provide an example of how you have used them?
- Discuss the differences between callbacks, promises, and async/await in handling asynchronous code in Node.js.
- Can you describe a scenario where you utilized the cluster module in Node.js to improve application performance?
- What are your strategies for handling security vulnerabilities, such as SQL injection or cross-site scripting (XSS), in a Node.js application?
- How do you manage memory leaks in a Node.js application, and what tools do you use to detect them?
- Describe how you would handle error management in a large-scale Node.js application.
- Can you explain your experience with middleware in Express.js, and give an example of custom middleware you have written?
- How do you ensure your Node.js application is scalable, and what methodologies or tools do you use to test scalability?

- How would you optimize a Node.js application for performance?
- Describe a challenging problem you encountered in a Node.js project and how you approached solving it.
- Can you walk me through the process you follow to identify and fix memory leaks in a Node.js application?
- How do you handle error management in Node.js applications to ensure reliability and maintainability?
- Explain how you would design a scalable microservices architecture using Node.js.
- How do you approach refactoring legacy Node.js code to improve performance and readability?
- Describe a situation where you had to innovate or come up with a unique solution using Node.js. What was the outcome?
- What strategies do you use to manage asynchronous operations in Node.js to avoid callback hell or promise chaining issues?
- How have you utilized Node.js with real-time data processing or WebSocket implementation in past projects?
- Can you describe an instance where you had to integrate Node.js with other technologies or frameworks to solve a complex problem?

- Can you describe a time when you had to explain a complex technical concept to a non-technical team member? How did you ensure they understood?
- How do you handle conflicts or disagreements within your development team?
- Describe a situation where you had to collaborate with remote team members. What strategies did you use to maintain effective communication?
- How do you approach providing and receiving constructive feedback in a team setting?
- Can you give an example of a project where teamwork was essential to its success? What role did you play?
- How do you ensure that both your code and communication meet the standards when participating in code reviews?
- What tools or practices do you use to keep all team members updated on project progress, especially in agile environments?
- Describe a time when a project you were working on faced significant delays. How did you communicate this to your team and stakeholders?
- How do you balance advocating for your ideas with being open to others’ perspectives in a collaborative environment?
- Can you discuss an instance where you had to take over a task from a fellow team member at short notice? How did you manage the transition and ensure continuity?

- Can you describe a recent project where you managed both the development timeline and resource allocation? What were the challenges and how did you handle them?
- How do you prioritize tasks and manage time when working on multiple Node.js projects simultaneously?
- Explain a situation where you had to make a critical decision regarding the allocation of limited resources.
- How do you ensure effective communication and collaboration among team members working on a Node.js project?
- Describe your approach to version control and code integration when managing a team of developers.
- Can you provide an example where you used project management tools to keep a Node.js project on track?
- What strategies do you employ to identify and mitigate potential project risks?
- How do you handle conflicting priorities or resource constraints when they arise during a Node.js project?
- Share your experience with managing technical debt and ensuring code quality in long-term projects.
- How do you approach onboarding and mentoring junior developers in a project setting to ensure their successful contribution?

- Can you provide an example of how you handled a situation where you were asked to develop a feature that could potentially compromise user privacy?
- How do you ensure that your code complies with data protection regulations such as GDPR or CCPA?
- Describe a time when you identified an ethical issue in a project. How did you address it?
- How do you stay updated on compliance and ethical standards in software development?
- What steps do you take to ensure that third-party libraries or APIs you integrate comply with ethical and legal standards?
- How do you handle scenarios where there is pressure to meet deadlines at the cost of compromising on ethical coding practices?
- Tell us about a situation where you discovered a security vulnerability. How did you manage it to ensure compliance with industry standards?
- How do you approach ethical considerations when dealing with user data in your applications?
- Have you ever faced a conflict of interest while working on a project? How did you resolve it?
- Can you describe your understanding of responsible disclosure and how you practice it in your work?

- How do you stay updated with the latest changes and trends in Node.js and JavaScript development?
- Can you describe a recent project where you had to learn a new technology or framework quickly? How did you approach it?
- What are some new tools, libraries, or frameworks you've integrated into your workflow recently, and how did they improve your development process?
- How do you typically handle changes in project requirements or scope mid-development?
- Can you give an example of a time when you received critical feedback about your work? How did you respond and what did you learn from it?
- How do you prioritize continuous learning and skill enhancement amidst your routine project work?
- Describe a situation where you had to adapt your coding practices due to a major version update in Node.js or another technology you were using.
- What strategies do you use to manage staying productive and efficient when adopting new technologies or methodologies?
- How do you contribute to your team or community in keeping everyone up-to-date with new industry developments and best practices?
- Can you discuss how you typically assess and decide whether to implement a cutting-edge technology or stick with a more traditional approach?