C#

What ways implement the IEnumerable interface in the programming language?

What is the main functionality implemented by the IList interface in .NET and in what scenarios is its use justified?

How is the lifespan of an object determined after it is injected via Dependency Injection?

Junior — Middle

OZON

Can you explain what Flutter is and what it is used for?

What is the meaning of the letter 'I' in the SOLID principles, and what is its purpose in object-oriented programming?

Can you explain the principles and features of RESTful API?

Have you used tools for analyzing and optimizing SQL queries?

Explain the principles and mechanisms of the automatic memory management system in your programming language environment.

Can you explain the concept of namespace and how it is used in programming?

Where in the code or system is the variable var usually located?

Junior — Middle

IT One

Can you explain what CORS is and why it is needed in web development?

Junior — Middle

Aston

Under what conditions does using an index improve SQL query processing speed?

Can you list the types of memory used in the .NET platform?

What technologies and tools were involved in creating your CRM system?

Explain the concept of synchronization context and its role in multithreaded programming.

What is the purpose of using window transactions in SQL and how do they differ from regular transactions?

Can variables or fields be declared in an interface?

What are the main differences between an interface and a class in object-oriented programming?

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

What are the consequences of canceling an operation using CancellationToken?