Have you heard of the Service Discovery pattern?
Senior
209
Java
14627
265
Why didn't you use Exactly Once semantics in Kafka?
Senior
209
Why did you use Hibernate? Did you add caching and tune it?
Middle
209
Explain the purpose and working principle of ReplicaSet in Kubernetes.
Junior — Middle
209
How was your development process organized? How did tasks reach you? Did you deploy them yourself?
Senior
209
What Java version do you use in your current project?
Junior — Middle
208
What are the main classes and tools for implementing multithreading in Java?
Junior — Middle
208
What would you do if the service responds slowly to read requests and writes to the database slowly?
Senior
208
What is the average time complexity of key operations in a TreeMap data structure?
Junior — Middle
208
What decisions did you make regarding replacing the technology stack — databases, queues, orchestrators?
Senior
207
What experience do you have with using MongoDB and how long have you worked with it?
Junior — Middle
207
What microservice patterns do you know and have you applied?
Senior
206
Have you ever had to optimize queries?
Senior
205
Why use JWT when you can log in with a username and password for each request?
Senior
204
Can you explain how the HashMap data structure works and how it provides fast access to elements?
204
What happens to remote rows in PostgreSQL?
Senior
204
Why was MongoDB used instead of PostgreSQL in the previous project?
Senior
203
What is the reason for considering a new job now?
Senior
203
How is synchronization within a method with the synchronized keyword implemented?
Junior — Middle
203
How does pessimistic locking differ from the Serializable isolation level?
Middle+
203