C#

In what situations and how do you use the try-catch block in code for exception handling?

What is the difference between ref and out parameters when passing arguments to a method?

How do the methods toArray and ToList differ when using ElementAt?

What actions are performed when declaring a variable of type Object in a programming language?

Junior — Middle

СБЕР Тех

Can you explain the Liskov Substitution Principle regarding replacing subclasses with base classes in object-oriented programming?

What is the role of a constructor when creating an object and why is it needed?

Explain the principle of the yield function and how it is used in implementing iterators in Python.

Explain the concept of middleware in ASP.NET and its role in processing HTTP requests.

How do you determine your strengths as a developer that meet efficiency criteria?

Can you explain the differences between static and dynamic typing in programming languages?

Can you explain what the transaction isolation level in PostgreSQL means and how it affects the system's operation?

Have you dealt with legacy or inherited projects that require support and modernization?

What are the main ways of interacting with objects in programming?

Which of your completed projects or tasks was the most memorable or interesting for you?

Junior — Middle

Pyrus

Can you explain what filters mean in the context of programming and how they are used?

What are the main differences between using Entity Framework and ADO.NET when working with databases?

What methods and resources do you use to improve your professional skills as a developer?

In what cases is a variable considered dynamically allocated in heap memory?

What types of errors can lead to memory leaks related to the stack in a program?

Explain the sequence of actions when processing an incoming HTTP request by the server

Junior — Middle

Andersen