Walmart Global Tech Data Engineer Interview Questions
The questions to prepare for a Walmart Global Tech Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Merge two sorted singly linked lists into one sorted list by relinking existing nodes.
Walmart Global TechTests ability to implement straightforward data processing logic.
Walmart Global TechTests production-mindedness and ability to clarify requirements and constraints for Spark usage.
Walmart Global TechDescribe a practical approach to data governance across shared data pipelines, including quality, ownership, lineage, and controlled data access.
Walmart Global TechExplain the ETL process, why it matters, and how it fits into a practical data pipeline.
Walmart Global TechRedesign a slow Databricks Spark ETL pipeline to cut runtime from 3 hours to under 60 minutes without breaking data quality or SLAs.
Walmart Global TechSign up to see every question
Create a free account to unlock this list and practice real interview questions.
Tests foundational database knowledge and when to choose each type.
Walmart Global TechTests data quality handling and practical strategies for imputation or filtering.
Walmart Global TechUse self-joins to return each Walmart employee, their manager, and their manager's manager.
Walmart Global TechCalculate each user's running order total over time using a window function.
Inspire11
Western Digital
FactualFind the second highest salary in each department without using aggregate functions.
Credit Genie
Devoteam
Cisco Restaurant + Bar