Can prefetch_related be used as a function or should it be used as a method for query optimization?
Junior — Middle
181
Python
11081
584
Explain the concept of a transaction and its main characteristics in databases.
181
Are you familiar with request processing products, anti-fraud, AML, credit conveyor, and sanctions screening?
Middle+
181
How much time will it take you to start performing duties after receiving a job offer?
181
How was your release cycle structured, who was responsible for what, who was responsible for code deployment?
Middle
181
What methods can be used to determine how effectively a program or a piece of code is working?
Junior — Middle
181
Can you give an example of where this class is used in real-world scenarios?
Junior — Middle
181
Have you created a protobuf file structure for data exchange between services?
Junior — Middle
181
Can you tell about different ways to use the asyncio module in Python?
Junior — Middle
181
What is the purpose of database normalization? How to determine how normalized the schema should be?
Middle
181
What is the purpose of the context managers concept in Python and how does it help when working with resources?
181
What professional achievements and areas do you plan to develop in the coming years?
Junior — Middle
181
What are micsines, and what is your attitude towards their use in production?
Middle
181
What methods exist for improving the efficiency of executing synchronous requests?
Junior — Middle
181
What is your experience in developing and implementing microservice systems using various programming languages?
Junior — Middle
181
What is meant by a subclass in object-oriented programming?
Junior — Middle
181
It is necessary to validate the structure ONLY for the correctness of opening and closing brackets. test_data = [ "[][[]]", # valid "[[[]]]", # valid "[][][]", # valid "]]][[", # invalid "[[[]", # invalid "[]]", # invalid "[[]]", # invalid "][]]", # invalid "[]][[]", # invalid "[][[]", # invalid ] def is_valid(value: str):
Senior
181
Recently, you worked on a project with geospatial data. Tell us about it: what data did you use, how did you process it, where did you store it, and what was your contribution?
Middle
180
For which types of tasks is the use of asynchronous execution methods most effective?
Junior — Middle
180
Can you explain what a queue data structure is?
Junior — Middle
180