Python questions from Citi data engineering interviews.
These python questions are sourced from Citi data engineering interviews. Each includes an expert-level answer. This set leans toward fundamentals — 2 easy, 0 medium, and 1 hard questions. Recurring themes are partition, spark, and etl — these patterns appear most often in real interviews and reward the deepest preparation. Average answer is around 1 minute of reading — plan roughly 1 hour to work through the full set thoughtfully.
This collection contains 3 curated questions: 2 easy, and 1 hard. There's a strong foundation of fundamentals-focused questions — ideal for building confidence before tackling advanced topics.
The most frequently tested areas in this set are partition (1), spark (1), and etl (1). Focusing on these topics will give you the highest return on your preparation time.
Start with the easy questions to warm up and solidify fundamentals. Hard questions often appear in senior and staff-level rounds; attempt them after you're comfortable with the basics. For each question, try answering before revealing the solution. Use our AI Mock Interview to simulate real interview conditions and get instant feedback on your responses.
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