C#

How does the use of the equals method differ from the == operator when comparing objects in Java?

What data type is used to store a sequence of characters?

What types of data does an asynchronous function or operation return?

Competitive lists (ConcurrentCollection) — tell us about your experience using them?

LINQ task: what will be output? What is the type of the query variable? What is the difference between IEnumerable and IQueryable?

Explain the purpose and operation of the OnActionExecuted method in MVC request processing.

What is the difference between struct and class in C#?

Senior

СБЕР

Can a table in SQL be created without using a clustered index?

How to embed your middleware? Where to register it? In what sequence is it executed?

What is try/catch/finally and what are they used for?

Can you explain what is meant by improving the efficiency of SQL query execution?

Can you explain the main principles of the REST architectural style?

Tell about the most significant success or failure in your work experience.

Middle

Selecty

What is the purpose of denormalization in a database and what are its advantages?

How many times have you gone through interviews and applied for positions without professional experience?

In which memory segment are important data types usually placed?

The application with the database works in one environment, but degrades in another. Why?

There is a task: atomically write an event to a broker (Kafka/RabbitMQ) and to a database. How to ensure transactional integrity?

Middle

OZON

Tell about yourself, your interesting and significant tasks, something complex in your career, what you are proud of.

Middle

OZON

Can properties or fields be declared in an interface?