Dataford
Dataford
Top 49
Prep plan
Updated weekly · Last refresh Oct 17

Luxoft Data Engineer Interview Questions

The questions to prepare for a Luxoft Data Engineer interview. Questions from real interview reports rank first. Updated daily.

49questions
~7htotal time
Track your progressSign up free to work through all 49 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~80 min
Second Highest Without AggregatesHard
Practice

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsLuxoft
SQL, PL/SQL, ETL, Real-Time ScenariosHard

Tests SQL optimization, stored procedure skills, and real-time ETL troubleshooting.

ETLquery optimizationsqlLuxoft
Partitioning Types and Trade-offsMedium

Tests understanding of partitioning strategies and their performance implications.

sqlpartitioningLuxoft
Second Highest Trader SalaryEasy
Practice
Practice drill

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

SubqueriesRankingSortingeClinicalWorksNNeenOpal CanadaInformatica
SQL Joins and AggregationsMedium
Practice
Practice drill

Join policy and ISO ClaimSearch claim data to aggregate claim counts and incurred losses by state and policy type.

JoinsGroup ByAggregationsVerisk AnalyticsMarshBroadridge Financial Solutions
More SQL & Data Manipulation questions with a free account
2
Pipelines31 questions · ~266 min
Design Databricks Streaming ETL PipelineMedium

Design a Databricks Structured Streaming pipeline using Delta Lake, Auto Loader, and Unity Catalog for low-latency ETL with quality checks.

Luxoft
Design Enterprise Data Lake ArchitectureMedium

Design an AWS data lake architecture handling 12 TB/day batch data and 80K events/sec with governed bronze, silver, and gold layers.

InfrastructureETLData ModelingLuxoft
API-Based Data Integration ExperienceEasy

Discuss how you use APIs in data pipelines, including ingestion patterns, validation, and operational monitoring.

ETLData ModelingLuxoft
More Pipelines questions with a free account
3
Behavioral & Leadership9 questions · ~77 min
More Behavioral & Leadership questions with a free account
4
More topics2 questions · ~17 min
Deduplicate Items in PythonEasy
Practice

Remove duplicate hashable items from a list while preserving the order of their first occurrences.

Hash TablesdeduplicationArraysLuxoft
DataFrame and JSON CodingMedium

Assesses practical coding ability for common DataFrame and JSON transformation tasks.

Luxoft

Sign up to see every question

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

Get my prep plan
The finish line: interview-readyComplete all 49 questions plus 2 hands-on drills to finish this plan.