Python

What encoding is used (in the context of tokens/refresh)?

When is it better to connect services through a broker, and when synchronously?

What parts does JWT consist of?

How does JWT token work? Why can you read its contents, but not modify it?

What are the disadvantages of asynchronous code?

How else can Redis be used besides as a cache?

Can secrets be stored in a JWT payload?

What are signals in Django?

[x for x in y] vs (x for x in y) Difference between copy() and deepcopy() FilteredRelation

How to guarantee message processing order in Kafka with multiple partitions?

What are window functions in SQL?

What is a JWT token, what parts does it consist of, and what problem does it solve?

What problems does cache have?

Where are you geographically located?

How to properly run an asynchronous task in Django?

There are several services (2-3), and there is an end-to-end business scenario passing through all services. If an operation on one of the services in the middle or at the end fails, the system ends up in an inconsistent state. What methods can be used to achieve inter-service transactionality (either the entire scenario is applied, or none of it is), if each service has its own database?

Explain the transaction start in Django (transaction.atomic).

What are the advantages of WAL in PostgreSQL?

Tell about your experience working at [company].

Provide an example of a situation where technically JOIN can be used and it will work, but for some reasons it would be suboptimal, and it is better to use prefetch_related (two queries).