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Python Developer interview questions
This Python Developer interview profile brings together a snapshot of what to look for in
candidates with a balanced sample of suitable interview questions.
In some respects even the most technical role demands qualities common to strong candidates for
all positions: the willingness to learn; qualified skills; passion for the job.
Even college performance, while it helps you to assess formal education, doesnʼt give a complete
picture. This is not to underplay the importance of a solid background in computer science. Some
things to look for:
• Understanding of basic algorithmic concepts
• Discuss basic algorithms, how would they find/think/sort
• Can they show a wider understanding of databases
• Do they have an approach to modelling?
Do they stay up to date with the latest developments? If so, how? Probe for their favourite technical
books. Who are they following on Twitter, which blogs do they turn to?
Are they active on Github? Do they contribute to any open source software projects? Or take part
in Hackathons. In short, how strong is their intellectual interest in their chosen field? How is this
demonstrated? Ask for side projects (like game development). Committed, inquisitive candidates
will stand out.
Computing Science Questions
Using pseudo-code, reverse a String iteratively and recursively
What constitutes a good unit test and what a functional one?
Role Specific Questions
Do arguments in Python get passed by reference or by value?
Why are functions considered first class objects in Python?
What tools do you use for linting, debugging and profiling?
Give an example of filter and reduce over an iterable object
Implement the linux whereis command that locates the binary, source, and manual page
files for a command.
What are list and dict comprehensions?
What do we mean when we say that a certain Lambda expression forms a closure?
What is the difference between list and tuple?
Try Workable for free, for 15 days: www.workable.com, no downloads or credit card required
Simple, intuitive and made for teams.
Python Developer interview questions
This Python Developer interview profile brings together a snapshot of what to look for in
candidates with a balanced sample of suitable interview questions.
In some respects even the most technical role demands qualities common to strong candidates for
all positions: the willingness to learn; qualified skills; passion for the job.
Even college performance, while it helps you to assess formal education, doesnʼt give a complete
picture. This is not to underplay the importance of a solid background in computer science. Some
things to look for:
• Understanding of basic algorithmic concepts
• Discuss basic algorithms, how would they find/think/sort
• Can they show a wider understanding of databases
• Do they have an approach to modelling?
Do they stay up to date with the latest developments? If so, how? Probe for their favourite technical
books. Who are they following on Twitter, which blogs do they turn to?
Are they active on Github? Do they contribute to any open source software projects? Or take part
in Hackathons. In short, how strong is their intellectual interest in their chosen field? How is this
demonstrated? Ask for side projects (like game development). Committed, inquisitive candidates
will stand out.
Computing Science Questions
Using pseudo-code, reverse a String iteratively and recursively
What constitutes a good unit test and what a functional one?
Role Specific Questions
Do arguments in Python get passed by reference or by value?
Why are functions considered first class objects in Python?
What tools do you use for linting, debugging and profiling?
Give an example of filter and reduce over an iterable object
Implement the linux whereis command that locates the binary, source, and manual page
files for a command.
What are list and dict comprehensions?
What do we mean when we say that a certain Lambda expression forms a closure?
What is the difference between list and tuple?
Try Workable for free, for 15 days: www.workable.com, no downloads or credit card required
