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Data Engineer Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
- 9403
- Questions
- 546
- Companies
- 11
- Topics
- 8
- Languages
Showing 1–5 of 5 results
- ByteDanceMediumData EngineerConnect Points With Minimum Total Distance
This problem tests your ability to model a geometric optimization task as a Minimum Spanning Tree (MST) problem and implement it efficiently using Kruskal's or Prim's algorithm.
Coding & AlgorithmsOnsiteGraphsMSTGeometry - MetaMediumData EngineerValidate carpool capacity
This question evaluates understanding of interval-based resource accounting and algorithmic reasoning with cumulative constraints, assessing skills in processing time-bound events and managing capacity limits.
Coding & AlgorithmsOnsite - MetaHardData EngineerWrite SQL for car rental utilization by city
This question evaluates proficiency in SQL querying and relational data modeling, focusing on time-interval overlap logic, distinct aggregation across joined tables, null handling, and safe computation of utilization metrics.
Coding & AlgorithmsOnsite - NetflixHardData EngineerImplement phrase search and JSON path
This problem tests your ability to process unstructured text into a searchable index and navigate hierarchical data structures using path patterns.
Coding & AlgorithmsOnsiteInverted IndexString ProcessingRecursion - ZooxMediumData EngineerWrite SQL revenue and anomaly queries
This question evaluates SQL proficiency and data engineering competency in revenue aggregation, netting purchases and refunds, joining transaction and vendor tables, and designing data quality and anomaly detection checks.
Coding & AlgorithmsOnsite
Meta
Netflix
Zoox