UST Global Data Engineer Interview Questions

The questions to prepare for a UST Global Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Coordinating Across Distributed Teams

Easy

Tests communication across distributed cross-functional teams, with emphasis on alignment, stakeholder management, and execution discipline.

cross-functional teamsCommunicationremote collaboration

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Difference Between Interface and Abstract Class in Java

Medium

Explain the differences between interfaces and abstract classes in Java and when to use each.

Hash TablesArraysStrings

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BFS vs DFS Traversal

Easy

Compare BFS and DFS graph traversal, including order, data structures, and when each is preferred.

RecursionQueueGraphs

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Star vs Snowflake for Sales Analytics

Medium

Compare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.

JoinsData WranglingGroup By

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Fact vs Dimension Tables

Medium

Tests data modeling skills for analytics warehouses and the ability to design star schemas for e-commerce use cases.

fact tablesstar schemadimensions

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Key Types in Database Design

Medium

Tests understanding of relational key constraints and how they affect schema design and query performance.

performancemany-to-onedata integrity

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