SumUp Interview Questions
The questions to prepare for SumUp interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Use aggregation and joins to return the 10 merchants with the highest transaction counts.
Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreCount unique respondents by Python or R library and return the most commonly used libraries first.
Oklahoma City ThunderApproach for maintaining data quality and integrity across ETL pipelines.
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Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.
Explain a practical approach to user research in the design process, from understanding user needs to turning findings into design decisions.
Explain how you execute a UX/UI design process from discovery to handoff, including stakeholder alignment, trade-offs, and success criteria.
How to respond when CAC rises 15% while LTV stays flat, using unit economics and profitability levers.
Explain a machine learning project you led, from problem framing through model evaluation and deployment.