Java

What solutions would you now do differently?

What do propagation and isolation mean in @Transactional and how to choose them?

What is rebalancing in Kafka?

How does partition affect message order and Kafka scaling?

What is lazy loading, batch processing, and the N+1 problem in JPA/Hibernate?

What do you pay attention to in system requirements and what interaction format with an analyst do you find more comfortable?

Senior

СБЕР

How does garbage collector affect latency?

What happens between bean constructor and @PostConstruct method?

What SQL constraints do you know?