Welcoming questions
- Can you tell us how you started with Python and what you use it for most today?
- What is a recent Python project you enjoyed, and what made it satisfying?
Role-specific / technical competencies
- What does idiomatic Python mean to you? Give an example of code you improved by making it more Pythonic.
- How do you structure a new FastAPI or Django project so it stays maintainable as it grows?
- How do you use type hints in practice, and where do you find they pay off most?
- Describe how you tested a service with external dependencies. How did you use fixtures and mocking in pytest?
- Tell us about a performance problem you solved in Python. How did you profile it, and what was the fix?
Behavioural & culture fit
- Tell us about a time you inherited messy code someone else wrote. How did you approach improving it?
- Describe a project where priorities shifted suddenly. How did you adapt your work?
- How do you decide when a quick script is enough versus when something deserves proper engineering?
Problem-solving / case
- A nightly data pipeline started failing intermittently with timeout errors. How do you investigate and make it resilient?
- An API endpoint needs to call three slow external services. How would you keep response times acceptable?
- You must upgrade a large codebase from an end-of-life Python version with minimal risk. Outline your approach.
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