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21 Dec 2022

30 Best Python Developer Interview Questions

According to Statista, Python is the 4th most used programming language among developers worldwide in 2022, with 48.07% of IT professionals choosing it to develop their applications. Considering that 1.4% of all websites on the internet use Python as a server-side programming language as well, it’s safe to say this tech stack is a staple within the software development industry. Still, knowing how to conduct an interview process to hire Python developers can be a challenge if you don’t ask the right questions from the start. In this blog post, we’ll share with you the 30 best Python developer interview questions to ensure the recruitment process goes smoothly. 

What is Python development?

Python is a general-purpose programming language created with a design philosophy that emphasizes code readability and indentation. Python development can be used across all industries, thanks to the general-purpose nature of this tech stack, making it a key technology for companies looking to upgrade their applications. The language can help to build both websites and software, aid in information analysis and visualization, and coordinate data automation. 

Because Python is a versatile technology as well as an open-source language, this has made it significantly popular with developers just making their way into the coding industry. Most programmers are proficient in at least two of the top programming languages, and Python is currently number four on the list, making the talent pool of Python developers bigger compared to other tech stacks. 

Why should you hire Python developers?

When wondering why you should hire Python developers, it’s important to keep in mind that this is a key programming language for any company that owns a certain software, web or mobile applications, or an eCommerce store. This is a tech stack that will give you the least amount of trouble, as it’s easy to code with, can be effortlessly scalable, and offers a variety of libraries, features, and design possibilities. With that said, it’s also relevant to note that Python developers tend to have versatile skills and be proficient in other coding languages. 

If you want to succeed in creating Python applications, then hiring developers with an expert command of this technology is a must! At Blue Coding, we recommend looking into nearshore outsourcing to obtain the same quality solutions for a lower price, hiring developers from Latin America to keep the costs down. That’s why we’ve created a list of the 30 best Python developer interview questions. These questions will help you assess the expertise of Python development candidates and help you hire Latin American developers with ease. 

30 best Python developer interview questions

What is your favorite thing about the Python programming language?


How do keywords work in Python?


What are the differences between NumPy and SciPy?


What new features were added to the Python 3.9.0.0 version?


Tell us about your favorite Python project. 


What are docstrings in Python?


Are you familiar with Docstring?


What made you want to specialize in the Python programming language?


How do dictionaries work in Python?


Why are negative indexes used in Python?


Have you previously used the Init Method?


What is your experience with Python libraries?


What is the difference between a list and a tuple?


What issues can come up with multi-threading in Python?


How is memory managed in Python?


What are the different Python Functions?


What differentiates deep and shallow copy from one another?


How are classes created in Python?


Do you often make use of access specifiers in Python?


What is the pandas dataframe?


Tell us more about Pythonpath. 


What are the most common built-in modules in Python?


What are lambda functions?


What is the role of Python comprehensions?


What are your preferred file-related modules in Python?


How do you set up the Django database?


Do you use Python in any of your personal projects?


What would you say is your biggest strength regarding Python?


How do you abstract data from Python?


What do you think are the key benefits of Flask?

Ready to hire Python developers with the help of nearshore software development?

At Blue Coding, we know the ins and outs of hiring Python developers, as well as IT professionals proficient in other technologies. Thanks to our years of experience and talented team of recruiters, we’re able to offer nearshore custom development services and help you hire Latin American developers for a fraction of the normal cost. The Python programming language is especially popular within the Latin American software industry, giving you the opportunity to hire from a larger talent pool of remote developers. Our team handles everything from billing to interviewing, cutting you significant costs in the process and speeding up the recruitment procedures to ensure your new remote developers are working on your company projects in just a couple of weeks. Contact us to learn more about our nearshoring services! 

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