Explain what the EventEmitter mechanism is and how it is used for event handling in applications.
Junior — Middle
361
Node.js
Describe a project case where something went wrong and how you dealt with it.
Junior — Middle
275
What are the advantages and disadvantages of the MongoDB database?
Junior — Middle
264
Have you used version control systems like Git in your projects?
Intern — Junior
264
Have you used the Decorator pattern in TypeScript to extend object functionality?
Junior — Middle
264
Have you had experience working with GraphQL and have you used it in projects?
Junior — Middle
250
Can you explain the concept of polymorphism and its role in object-oriented programming?
Junior — Middle
238
Can you explain how the Event Loop works in JavaScript?
Junior — Middle
229
What is the role of transactions in working with databases and why are they important?
Junior — Middle
225
Have you conducted software quality assurance in your practice?
Junior — Middle
223
Have you used the Swagger tool for API documentation?
Junior — Middle
222
What library or tool for working with databases is used in your NestJS project?
Junior — Middle
222
Explain the principle of dependency injection in software and how it is used to improve code modularity.
221
Can you explain the open-closed principle in the context of SOLID?
Junior — Middle
219
Describe your experience with using and configuring PostgreSQL, as well as the features of working with this database.
Junior — Middle
218
Have you worked with WebSocket protocol for implementing bidirectional communication in applications?
Junior — Middle
214
Describe your experience in developing and implementing microservice architectures.
Junior — Middle
213
What task management system have you used in your projects?
Junior — Middle
209
How does using abstract classes differ from interfaces in object-oriented programming?
Junior — Middle
207
What distinguishes ECMAScript 5 syntax and features from ECMAScript 6?
Junior — Middle
204