Serco Group Interview Questions
The questions to prepare for Serco Group interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate three-day rolling average sales by region using aggregation, joins, and PostgreSQL window functions.
Summarize SQL concepts by interview round, including rounds without SQL topics and average planned depth.
EXL ServiceExplain how you would manage scope creep without damaging stakeholder trust or putting delivery at risk.
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Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
A structured approach to debugging production data pipelines, with focus on orchestration, data quality, idempotency, and safe backfills.
Use operational metrics to find where work slows down, isolate root causes, and turn the analysis into repeatable improvements.
Explain a controlled close process that produces accurate, fully supported balance sheet rollforwards.
Approach for keeping project goals, decisions, and execution aligned with company strategy.
Define a meaningful engagement metric for a retail analytics mobile application and explain how to validate it.