Luxoft Data Engineer Interview Questions
The questions to prepare for a Luxoft Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Find the second highest salary in each department without using aggregate functions.
LuxoftTests your SQL performance troubleshooting and tuning techniques.
LuxoftTests your SQL windowing or subquery skills for ranking and edge cases.
LuxoftFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
eClinicalWorks
Informatica
Spectraforce TechnologiesCalculate each customer's average sale using GROUP BY, AVG, NULL filtering, and descending order.
Luxoft
Aimpoint Digital
Inland Family of CompaniesCompare ETL and ELT, and explain when ELT is the better pipeline pattern.
LuxoftCommon pipeline issues when combining multiple data sources, including schema mismatch, data quality, orchestration, and duplicate handling.
LuxoftApproach for stabilizing an automated workflow that is failing broadly, with focus on orchestration, data quality, idempotency, and rollback.
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Tests your ability to implement a correct Python algorithm for mixed-character input.
LuxoftTests your ability to recall and reflect on prior interview question content.
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