Java

How did you ensure guaranteed message delivery?

Middle

ООО ИЦ Ай-теко

[name] asked: Why Redis specifically, and not an in-memory cache inside the application?

What are Kotlin Rich Errors and how do they differ from exceptions?

What are indexes in a database?

Can you tell about the OSI model?

Are your salary expectations 250 thousand rubles net, is that okay?

Senior

СБЕР

What is an aggregate function in SQL?

Can a singleton service (single instance) be high-load?

Senior

СБЕР

What design patterns have you applied in real business tasks?

How does Spring Boot differ from Spring? What has appeared in Spring Boot that was not there before?

Do you have experience with Hazelcast?

What work schedule do you consider?

Senior

СБЕР

What two methods of the Java Object class must be implemented consistently for an object to be used as a key in HashMap?

What transaction isolation levels are available in PostgreSQL?

Senior

Альфа-Банк

What are the advantages and disadvantages of TimescaleDB compared to Postgres?

Describe the exception hierarchy in Java

Tell us about how tasks were distributed in your team and how architectural decisions were made.

Middle+

Т-Банк

List the design patterns (GoF) that you are sure you know.

What overhead does Kafka have for idempotent sending? What does Kafka sacrifice in this case?

Tell me about the project in Lepton. What kind of project is it?