Python Software Developer Interview Questions

6,379 python software 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.

In my interview, one key question they asked me was about my experience with automation frameworks — specifically, how I’ve implemented Selenium with Pytest in my past projects and integrated it into a CI/CD pipeline.
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Python Automation Engineer

Interviewed at EY

3.7
Aug 11, 2025

In my interview, one key question they asked me was about my experience with automation frameworks — specifically, how I’ve implemented Selenium with Pytest in my past projects and integrated it into a CI/CD pipeline.

1. how memory management is works in python. 2. What data structured you have used , what is dictionary and how it works behind the scenes. why key value pair ? 3. If you have 2 technology Node and Python, what you will choose and why ? 4. What is event loop in js/node js, how it works ? 5. what Idempotency in a REST API 6. If you will develope REST API in Django what things you will consider ?
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Senior Python Developer

Interviewed at Persistent Systems

4.1
Jan 10, 2025

1. how memory management is works in python. 2. What data structured you have used , what is dictionary and how it works behind the scenes. why key value pair ? 3. If you have 2 technology Node and Python, what you will choose and why ? 4. What is event loop in js/node js, how it works ? 5. what Idempotency in a REST API 6. If you will develope REST API in Django what things you will consider ?

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