Tekion Data Engineer Interview Questions

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

Explaining a Technical Concept Clearly

Easy

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentals

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Compare batch and streaming data processing, including when each fits best in a pipeline.

Choosing Row vs Column Formats

Medium

How to choose between row-oriented and column-oriented formats across different stages of a data pipeline.

performanceCloudData Modeling

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Large Dataset Analysis Pipeline

Easy

Discuss a large-scale data analysis project with focus on the pipeline, tooling, and data quality approach.

ToolsData ModelingQuality

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Handle PySpark Data Skew

Medium

Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.

Data Qualitypysparkdata skewness

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Describe a Complex Transformation Pipeline

Medium

Explain a complex ETL transformation you built, including the main challenges and how you handled them.

ETLData ModelingQuality

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Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

Optimizing Slow Queries at Scale

Hard

Explain how to diagnose and optimize a slow PostgreSQL query on large Apidel Technologies datasets.

SubqueriesJoinsData Wrangling

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