ThoughtWorks Data Analyst Interview Questions
The questions to prepare for a ThoughtWorks Data Analyst interview. Questions from real interview reports rank first. Updated daily.
Explain how you diagnosed and optimized a slow PostgreSQL query using execution plans, indexing, and query rewrites.
Explain how to profile, clean, and standardize missing or dirty data before analysis.
Evaluates your ability to transform data into business decisions.
Tests your approach to EDA and turning unknown data into actionable insights.
Calculate patient rolling 7-day averages and rank patients within each Medpace research site using layered window functions.
Medpace
Charles Schwab
Health Care Solutions At HomeMeasure dashboard adoption by Johns Hopkins user segment using joins, aggregation, and reporting-period filters.
The Johns Hopkins UniversityCreate a unified Johns Hopkins University dashboard result by combining department activity, users, and targets.
The Johns Hopkins UniversityDefine the right metrics to judge whether a new product feature is successful.
Set a clear north star, supporting KPIs, leading indicators, and guardrails for a new product feature.
Assesses prioritization and stakeholder management under pressure.
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Tests motivation for product consulting over traditional consulting, with emphasis on values alignment, implementation ownership, and long-term client impact.