Dataford
Top 18
Prep plan
Updated weekly · Last refresh Aug 30

DXC Technology Data Engineer Interview Questions

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

18questions
~3htotal time
Track your progressSign up free to work through all 18 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~81 min
Second Highest Trader SalaryEasy
Practice
Recently asked

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingDXC Technology
Window Ranking in Ticket QueuesMedium

Explain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.

Window FunctionsRankingrow_numberDXC Technology
INNER vs LEFT Join PerformanceMedium

Tests join semantics and query performance reasoning on large, skewed data.

Joinsperformancedata integrityDXC Technology
NULLs and COALESCE in AggregationsMedium

Tests correct NULL semantics and performance awareness for SQL on large joins.

null handlingperformanceAggregationsDXC Technology
Second Highest Employee SalaryEasy
Practice
Recently asked
Practice drill

Find the second highest distinct salary from a single employee table using PostgreSQL ordering and limiting.

SubqueriesRankingAggregationsCoforgeDXC Technology
Rank Top Service CategoriesEasy
Practice
Practice drill

Use RANK() and grouped revenue to find ServiceTitan's top three service categories in each region.

RankingperformancesqlServiceTitan
More SQL & Data Manipulation questions with a free account
2
Pipelines5 questions · ~43 min
ETL vs ELT Trade-offsEasy

Compare ETL and ELT, and explain when ELT is the better pipeline pattern.

ETLELTData ModelingDXC Technology
Incremental Loads to Data LakeMedium

Tests CDC or watermarking approaches and practical incremental ingestion design.

DXC Technology
Idempotent Pipeline DesignMedium

Tests pipeline reliability design and idempotency reasoning for mission-critical production workloads.

Data QualityIdempotencyproductionDXC Technology
More Pipelines questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership6 questions · ~52 min
Learning a New Tool FastEasy

Tests learning agility under delivery pressure, with emphasis on ownership, prioritization, and adapting quickly to unfamiliar technical work.

learning agilityinitiativeadaptabilityDXC Technology
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 18 questions plus 2 hands-on drills to finish this plan.