Idexcel Software Engineer Interview Questions
The questions to prepare for a Idexcel Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Find the longest contiguous substring shared by two strings using dynamic programming.
IdexcelTraverse a graph from a start node using BFS and DFS, returning the visit order for each traversal.
IdexcelDetermine whether a Splunk search token reads identically forward and backward using two pointers and constant extra space.
IdexcelFind two Coupang item scores that sum to a target using a hash map in O(n) time.
IdexcelUse GROUP BY and HAVING to find NetSuite customers with at least two approved sales orders.
IdexcelExplain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
IdexcelTests your ability to detect duplicates using grouping and appropriate uniqueness logic in SQL.
IdexcelRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
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Tests prioritization under pressure: how you create clarity, make trade-offs, and align stakeholders when multiple requests feel equally urgent.
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