Python · Junior · Theory

How is Django different from FastAPI? What kinds of projects would you choose each one for?

~4 min by voice

How to approach it

This checks whether the candidate understands the difference in philosophy: Django is a 'batteries included' full-stack framework, FastAPI is a lightweight async framework for APIs. And whether they can choose a tool for the task with arguments, not because it's trendy.

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Topics

django fastapi

Similar questions

Design an aggregator service in FastAPI: for every incoming request it has to call five external services and build a single response from their replies. How do you keep latency low and stay resilient to failures in those services? Mid-level A Django monolith can no longer keep up with growing traffic. How would you design how it runs in production: the application server, the worker model, the number of workers, and working with the database? Mid-level You have a FastAPI service, and under load the p99 latency climbs to seconds even though the CPU isn't busy. You suspect the event loop is being blocked. How would you find the cause and fix it? Senior You have a large Django monolith, and the team wants to rewrite it in FastAPI for async and performance. How would you make this decision, and how would you carry out the change? Senior How would you build a simple FastAPI service where a user uploads a file and processing takes a couple of minutes? The user needs to find out the result afterward. Junior

Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

Best with headphones · ~4 min