TypeScript Developer Interview Questions
The goal for a successful interview for a TypeScript Developer is to showcase their expertise in writing scalable and maintainable code using TypeScript, demonstrate their experience in working with complex software systems, and communicate their ability to adapt to evolving project needs and collaborate effectively with team members.
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Situational interview questions
- You've joined a new project and one of your teammates has written a piece of code that's causing an unexpected bug. How would you approach this situation and what steps would you take to solve the problem?
- You have been assigned a complex feature to develop that requires you to work with unfamiliar TypeScript libraries. How would you go about learning these libraries and ensuring your code is following best practices?
- A stakeholder has requested a new feature that will require heavy refactoring of existing code. How would you approach the task of re-writing code in TypeScript to improve its reliability and maintainability?
- You have been tasked with optimizing the performance of a large-scale application built on TypeScript. Describe the steps you would take to identify bottlenecks and optimize the relevant code.
Soft skills interview questions
- Can you describe a situation when you have collaborated with team members with different skill sets and backgrounds? How did you manage the collaboration, and what was the outcome?
- Tell me about a time when you faced a challenging problem and how you developed a creative solution to overcome it. How did you approach the problem, and what did you learn from the experience?
- Describe how you handle difficult feedback or criticism from colleagues or clients. How do you remain professional while still addressing the issue positively?
- How do you prioritize your workload and manage your time effectively? Provide an example of a time when you had to juggle multiple tasks and how you handled it.
- Have you ever had to resolve a conflict with a team member or manager? How did you approach the situation, and what was the result?
Role-specific interview questions
- Can you explain the difference between interfaces and types in TypeScript?
- How does TypeScript support decorators and what use cases do you see for them?
- Explain the concept of "type widening" and how it can impact code execution in TypeScript.
- Can you demonstrate how you would use generics in TypeScript to create a reusable data structure or algorithm?
STAR interview questions1. Can you share a situation in which you faced a challenging project while working as a TypeScript Developer?
2. Explain a task you had to deliver as a TypeScript Developer in a previous project.
3. What were the actions you took to complete a complex feature while working as a TypeScript Developer?
4. Can you showcase a situation where an unexpected bug occurred in your TypeScript project and how you resolved it?
5. What was the result of your actions while improving the performance of your TypeScript application in a previous project?