Was it your own payment service or did you use an external payment service?
Senior
183
Java
14849
265
What do you see as the ideal interaction between support of the first/second line and development?
Senior
183
Tell how you designed REST API for complex backend services and what approaches you used to ensure scalability and fault tolerance.
Senior
183
How does a Circuit Breaker help reduce failures when accessing an external service?
Senior
183
What is the BFF (Backend for Frontend) pattern? Its advantages and disadvantages?
Senior
183
What is the difference between MQ and Kafka?
Senior
183
Do you consider your service high-load? Can you explain with numbers?
Senior
183
What are Service Discovery tools used for?
183
What is a row version in SQL? How is it used in Hibernate?
Senior
183
Задача по коду: Spring @Transactional и self-invocation (скриншот с кодом)
Senior
183
Name at least 3-4 skills that a good developer should possess in the modern world.
Senior
183
How are Topic and Partition related in Kafka?
Senior
183
What is GOF (Gang of Four) and which patterns from this book are implemented in the standard JDK?
Middle
183
What levels of transaction isolation exist and how do they differ?
Middle+
183
producer 1 consumer 2 partition 3 topic 1
Senior
183
Why didn't you switch directly to CDC instead of polling?
Senior
183
What events does ApplicationContext in Spring know?
Senior
183
How could the solution be refactored using one collection instead of two (seen and temp)?
Middle+
183
How did you ensure guaranteed message delivery?
Middle
183
[name] asked: Why Redis specifically, and not an in-memory cache inside the application?
Senior
183