Node.js

In what cases is it recommended to use types with the 'type' keyword in TypeScript?

Have you had experience working with legacy or inherited projects?

What operating systems have you used in your practice?

Have you ever participated in professional debates or project discussions?

What is the difference between a return value of undefined and a situation where a function does not specify a return operator?

Implement one or both functions in the application: a user can pin and unpin sites with an icon in the list; pinned sites should be displayed at the top of the list. The second function is optional at your discretion.

Have you used stream APIs in your projects for data processing?

Is Express a framework for developing server applications on Node.js?

How do you plan and organize your work activities?

What are the advantages and disadvantages of using the Sequelize ORM library in Node.js projects?

Junior — Middle

СБЕР

What experience do you have working with projects using PostgreSQL?

What challenges did you face when using the TypeORM library in projects?

What is the difference between declaring variables using the keywords var and let, and what are their features?

What model ensures reliable delivery of messages or data within this project?

When will you be able to start working if you receive an offer?

Can you explain the working principle of the Singleton pattern and its main features?

Is it possible to create a unified approach for performing create, read, update, and delete operations?

How to determine an acceptable delay level in the system's event cycle?

Explain the concept of horizontal scaling and how it is applied in scaling systems.

How would you rate your SQL skills?