C#

How do you determine the need for indexing in SQL queries?

What are the consequences of canceling an operation using CancellationToken?

Can there be situations where a C# program loses control of memory without freeing it, and how does this manifest?

What does the letter 'S' in the SOLID principles for object-oriented design stand for?

In what cases is a comparison of reference data types performed?

In what situations and stages of development is a controller usually created in the application architecture?

Junior — Middle

Andersen

What are the advantages and disadvantages of using a message broker for implementing transactions?

Explain the difference between Semaphore and Mutex mechanisms in the context of resource management.

Describe how you have applied the features of Keycloak in your projects.

Explain what a string data type is and how it is used in programming.

What are the differences between the data structures Dictionary and HashSet in terms of their usage and internal implementation?

Where in tests is the behavior logic of objects implemented?

Have you participated in developing custom service applications or systems?

What is the purpose of the partial function in programming?

Can you explain what abstract classes are and how they are used in object-oriented programming?

Can you explain what a tree data structure is and how it is used in programming?

Explain what is meant by the term 'Ref' in programming or specific technologies.

Can you explain what is meant by the term 'Dictionary' in programming?

Junior — Middle

OZONSwiftfactoryПлатформа

Can you explain the purpose and operation of the Finalize method in programming language?

Have you ever received job offers that you decided to decline?

Junior — Middle

Pyrus