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Python Interview Questions (2026)

Practice the most frequently asked Python interview questions for Data Engineer roles at top companies. Covers ML pipelines, feature engineering, model evaluation, and production trade-offs.

147+ Questions
Medium–Hard Difficulty
Top Companies: Accenture, Microsoft, Google
Mock Interview Ready
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Top Python Data Engineer Interview Questions

  1. Technical: Python: Explain GIL impact on multithreading

    Difficulty: Medium

    Representative interview simulation — practice with AI feedback on InterviewForge AI.

  2. Technical: Python: Design a REST API rate limiter

    Difficulty: Hard

    Representative interview simulation — practice with AI feedback on InterviewForge AI.

  3. Technical: Python: Optimize slow SQL with indexes

    Difficulty: Medium

    Representative interview simulation — practice with AI feedback on InterviewForge AI.

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Python Interview Questions (2026) | InterviewForge AI