Name one technical improvement made on the project besides business tasks?
Senior
134
Java
14621
265
What is REST API? What do you understand by this?
Senior
134
Why are you currently looking for a job?
Senior
133
What Grant Types in OAuth 2.0 do you know and what are they used for?
Senior
133
What does Spring Boot Starter represent? How does it work?
Senior
133
What is Compare-and-Swap (CAS) in multithreaded programming? What is it used for?
Senior
130
What happens when Redis memory runs out?
Senior
130
What levels of transaction isolation exist?
Middle+
128
Name the delivery guarantees in Kafka and what they mean?
Senior
128
How would you solve the problem when your service starts calling another service too frequently and it crashes?
Senior
126
How to scale message processing on the Kafka consumer side; what is a partition and how are messages distributed across partitions?
Middle+
125
What technologies have you used for authorization?
Senior
124
What is the difference between authentication and identification?
Senior
121
How did you determine that the system was overwhelmed, what errors occurred, and why was there an Out of Memory?
Senior
121
What is batch consumption in Kafka and why is it faster than processing one message at a time?
Middle+
117
How did you use Redis: as a database or as a cache?
Senior
117
Does the number 50 in VARCHAR(50) mean bytes or characters?
Middle+
116
What are the costs and downsides of indexes?
Middle+
114
Is there a risk of losing messages on the consumer, and why is manual commit offset needed?
Middle+
111
How does a terminal method differ from intermediate ones in a stream? Which ones are used in the task?
Senior
109