Java

How quickly do you cope with understanding a new task?

Can you specify at which stage we stopped or from which point to continue?

What is the role of the JOIN operator in working with a database and what is it used for?

What school subject did you enjoy the least during your studies?

What methods can be used to eliminate the N+1 problem when working with databases or APIs?

Junior — Middle

AstonSberDevicesМеталлИнвестБанк+6

How to establish direct communication with the customer, bypassing intermediaries?

What experience do you have using Hibernate for database operations?

What does the term 'professional developer' mean to you?

How can an object be used as a key in a data structure?

Can you explain what a profile in the Maven build system is and why it is needed?

How quickly can you understand someone else's code?

What consequences can occur when using mutable keys in data collections?

What was the role of the scheduler used in the IKEA project?

Can you explain what the use of the @Component annotation in Spring means and what purposes it serves?

Junior — Middle

СБЕР КорпусSberDevices

Can you tell about the development process of this technology or concept?

Do you have experience working with the Camunda platform for business processes and automation?

Have you had experience analyzing the internal structure and mechanism of Hibernate?

Can you explain what a checked exception is in programming languages?

How can an OutOfMemoryError occur in Java if the system runs out of available memory?

Is it possible to pass input parameters to a prepared statement CallableStatement and how is it done?