Senior Python Developer Interview Questions

6,393 senior python developer interview questions shared by candidates

In L1->4 sum array question arr=[2,4,3,5,6,1,0] target=10 something like this. In L2-> asked to right a user auth api and use it in the endpoint (i used Depends from fastAPI) and another coding question was about parenthesis match is_valid_parenthesis([({})]) #TRUE. React question- useLayoutEffect vs useEffect, useMemo, useCallback. js- output based js question related to event loop priority like promise vs setTimeout vs console.log use chatGPT it will give you the exact question. GenAi- which model i have used like GPT-4o similar like this try to read about the Transformer how it works. sql- A 1 1 1 1 1 B 1 1 1 1 what will be the inner join left join right join and full outer join. you need to be prepared i lost my chance. Please don't do the same. Try to explain the code you write.
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Python Full Stack Developer

Interviewed at UST

3.8
Jun 3, 2025

In L1->4 sum array question arr=[2,4,3,5,6,1,0] target=10 something like this. In L2-> asked to right a user auth api and use it in the endpoint (i used Depends from fastAPI) and another coding question was about parenthesis match is_valid_parenthesis([({})]) #TRUE. React question- useLayoutEffect vs useEffect, useMemo, useCallback. js- output based js question related to event loop priority like promise vs setTimeout vs console.log use chatGPT it will give you the exact question. GenAi- which model i have used like GPT-4o similar like this try to read about the Transformer how it works. sql- A 1 1 1 1 1 B 1 1 1 1 what will be the inner join left join right join and full outer join. you need to be prepared i lost my chance. Please don't do the same. Try to explain the code you write.

OOP en python, que es encapsulamiento, que es una instancia, codificar como hacer una lista en python, imprimir a partir del segundo item, codificar una clase demostrando los 4 pilares de OOP, etc.., además cosas de estructura de datos como cuales hay y sus diferencias
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Python Developer Intern

Interviewed at EPAM Systems

4
Oct 22, 2025

OOP en python, que es encapsulamiento, que es una instancia, codificar como hacer una lista en python, imprimir a partir del segundo item, codificar una clase demostrando los 4 pilares de OOP, etc.., además cosas de estructura de datos como cuales hay y sus diferencias

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