Heard about Transactional Outbox? Why is it needed, what problem does it solve?
Senior
174
Java
14770
265
How do you feel about a salary reduction of 20–30 thousand rubles during a three-month probation period?
Senior
174
What types of locks exist at the database level?
Senior
174
Have you participated in designing the architecture of a working application?
Junior — Middle
174
Have you encountered the problem of distributed transactions? Tell us about the Saga pattern.
Senior
174
The company LLC "Romashka" is represented by the tables employee(id, department_id, name, salary) and department (id, name). List the departments where the difference between the maximum and minimum employee salaries is more than 50 thousand.
Senior
174
How does LLM work? What does it operate on?
Senior
174
Explain the written SQL query: what do we retrieve, how do we retrieve it, why do we filter reaction not equal to 0, how do GROUP BY and ORDER BY work? Tell about JOIN types (LEFT, RIGHT, their differences).
Senior
174
Have you worked on an Agile methodology project? What meetings were held in the team?
Senior
174
Why is the singleton scope chosen by default for beans, and why is creating an object considered an expensive operation?
Senior
174
How do you set a pessimistic lock on a JPA repository method without native SQL?
Senior
174
How to implement hashCode() for a Long type (64 bits) to return an int (32 bits)?
Senior
174
Name 2-3 examples of thread-safe collections.
174
What are the advantages of monolithic architecture?
Senior
174
Tell us about the MegaFon project, what did you do?
Senior
174
Design task: The Like service writes likes to Kafka, and the Dashboard service should calculate the post ratings. How to establish interaction?
Senior
174
Tell me about Stream API: types of operations, the difference between map and flatMap
Senior
174
Tell me about the SAGA pattern, the two types — orchestration and choreography, and how do they differ?
Senior
174
Tell us about yourself, your experience, what tasks you have solved, and why you decided to leave.
Senior
174
What is an aggregate function in SQL?
Senior
174