Python Developer Interview Questions

Want to hire a Python Developer who could write server-side web application logic? Have the most dexterous Python Developers on-board by asking the right interview questions.


Python Developer Interview Questions

With tech trends brimming and every other company finding ways to make a strong web presence, having a dynamic and robust website is a must. While there are so many programming languages, Python is a free and open-source programming language that Programmers around the world use.  

Since Python is portable and supports multiple programming paradigms, Programmers are gaining more ground in it. Being a Python Developer means, the person should know how to emphasise code readability and how to develop a line-of-code in a website.

A candidate should be able to write and implement user-related reusable and testable code. In-depth knowledge of frameworks like Django, Flask etc., and familiarity with different web stacks are also few things a Python Programmer should know.

Qualification to Look for:

  • Bachelor’s degree in Computer Science

Skills to Look for:

  • Experience in writing server-side web application logic
  • Knowledge of Python web framework
  • Familiarity with ORM (Object Relational Mapper) Libraries
  • Ability to integrate multiple data source and databases in one system
  • Basic understanding of CSS3, HTML5, JavaScript and other front-end technologies
  • Strong testing and debugging skills 

Computer Science questions

  • How will you reverse a string iteratively and recursively using pseudo-code?
  • List the features of good unit tests and functional tests.
  • What is the core principles of a REST API? How will you differentiate it from RPC in terms of philosophy?

Role-specific questions

  • How do the arguments get passed in Python? Is it by reference or by value?
  • Why are the functions called as the first class objects in Python?
  • What are the tools that you use for linting, debugging and profiling?
  • Can you provide an example of the filter and reduce over an iterable object?
  • How the Linux “Whereis” command which traces the binary, source, and manual page files for a command is executed?
  • What do you know about the list and dict comprehensions?
  • What does it mean when we say a certain Lambda expression forms a closure?
  • What is the key difference between tuple and list?