C#

What role did RabbitMQ play in your previous project and what tasks was this tool used for?

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

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

Could you explain what a Mock is and in what cases it is used in testing?

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 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?

Do you have practical experience using NoSQL systems for data storage?

What type of mechanism is used to perform tasks with a delayed delay?

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

Can you explain what a task scheduler in an operating system is?

Junior — Middle

OZON

Can you explain what a non-clustered index in SQL is and how it works?

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

How should error and exception handling be implemented in a program?

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?