C#

Have you used transaction management mechanisms in SQL databases in your projects?

Can you explain the visitor pattern and its application in software design?

Junior — Middle

Aston

Load balancing algorithms. How to choose a specific service instance?

Middle

OZON

What is IQueryable in the context of C#?

Are there any restrictions on data types when using keys?

What is the difference between executing an asynchronous function and using the await operator to wait for the result?

What is connectedness and connectivity in the context of C# programming?

What is the main purpose of using hash tables in programming?

How was the team organized and role distribution at your previous workplace?

Is it possible to restrict the types that a user will pass through a template in C#?

What is the difference between static and non-static classes?

What design patterns exist in programming?

What is the purpose of an interface and an abstract class, and what are the differences?

Senior

СБЕР

What are the main differences between value types and reference types in .NET?

Middle

Selecty

Can you explain the concept of deferred execution of LINQ results and how it works?

In what cases does the Finalize method in Java get triggered?

In what cases is data normalization necessary?

What are the advantages of using the 'using' block in C#?

В чем разница между типами string и StringBuilder в C#?

What is the main purpose of the Outbox pattern in system architecture?