Top 34
Prep plan
Updated weekly · Last refresh Aug 30

Ramboll Data Engineer Interview Questions

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

34questions
~5htotal time
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1
PipelinesStart here. 24 questions · ~193 min
Batch vs Streaming Data ProcessingEasy

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

Stream ProcessingETLBatch ProcessingRamboll
Optimize a Pipeline BottleneckMedium

Explain how you identified and fixed a bottleneck in a data pipeline while preserving correctness and operational visibility.

data processingperformancebottleneck optimizationRamboll
Implement CI/CD for Data PipelinesEasy

Design a CI/CD system for Airflow, dbt, and Spark pipelines with automated testing, safe promotion, rollback, and post-deploy data quality checks.

InfrastructureSchedulingOrchestrationRamboll
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2
SQL & Data Manipulation8 questions + 3 drills · ~94 min
3
More topics2 questions · ~16 min
Python or Scala for Data ProcessingMedium

Tests your hands-on experience with data processing frameworks used in production pipelines.

Hash TablesArraysMatrixRamboll
Personal Information CheckEasy

Evaluates basic identity information provided during the interview process.

Ramboll
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.