C#

Can you explain what a B-Tree data structure is and how it is used in databases or file systems?

Is it possible to store data using the PUT method in the system cache?

What is the maximum number of constraints that can be set when defining a custom parameterized type (generics)?

What is the role of the GetHashCode method when using a dictionary or hash collection?

Junior — Middle

OZON

Can you name the existing levels of transaction isolation in database management systems?.

Can you explain the principle of operation and purpose of Action Filter in the context of web development?

Can you explain what the React library is and how it is used in user interface development?

Why is it important to distinguish objects by their processing or access time?

What steps should be taken if you do not receive interview invitations?

Can you tell how the code review process was organized and conducted in your previous company?

Can you explain what a programming language that requires pre-compilation before execution is?

Could you describe the composition and structure of your current team, as well as the key roles and responsibilities of its members?

Have you ever faced a situation where you did not seek support at work and why?

What is the difference between using the throw operator and re-throw in error handling?

What is the value hidden behind the letter O in the SOLID principles?

Can you list the types of caches used at the server level?

Junior — Middle

Aston

Does automatic type conversion occur when comparing two structures in a programming language?

Junior — Middle

OZON

Could you explain the principles underlying transactional reliability in databases known as ACID?

Do you have experience using transactions in database management systems?

What specifically attracted your attention to this position, and why did you choose our project or company?