Java

[Name] asked: tell us about yourself and your last project related to finance.

How does the @Lazy annotation work under the hood?

What is data normalization in Postgres and why is it needed?

How did you handle data streaming at 870 RPS in your last job?

How was the role of Scrum Master organized in your team?

Tell me about the Singleton pattern and its implementation in a concurrent environment.

How to call a @Transactional method within the same service (self-invocation)?

What should the application control according to DDD?

Tell me about Stream API: types of operations, the difference between map and flatMap

What is the Saga pattern, how does it work, and what is it used for?

Are there situations when a Kafka Producer waits for a Consumer?

How to test the entire service flow (E2E/Integration)?

Tell me about design patterns: groups and examples.

Tell me about your interaction with analysts

How convenient would it be to have a dedicated Scrum Master?

Tell me about dependency injection methods in Spring

What is the MVC pattern?

How does WAL (Write-Ahead Log) work during writing?

If we do a squash merge, how do we then update the feature branch?

How does the process from pushing to a branch to deploying an image on a stand technically occur?