Top 43
Prep plan
Updated weekly · Last refresh Aug 30

Idexcel Software Engineer Interview Questions

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

43questions
~7htotal time
Track your progressSign up free to work through all 43 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 21 questions · ~217 min
Longest Common SubstringHard
Practice

Find the longest contiguous substring shared by two strings using dynamic programming.

Dynamic ProgrammingArraysStringsIdexcel
Graph Traversal with BFS and DFSEasy
Practice

Traverse a graph from a start node using BFS and DFS, returning the visit order for each traversal.

StackQueueGraphsIdexcel
Checking for PalindromesEasy
Practice

Determine whether a Splunk search token reads identically forward and backward using two pointers and constant extra space.

RecursionStringsTwo PointersIdexcel
Two Sum CodingEasy
Practice

Find two Coupang item scores that sum to a target using a hash map in O(n) time.

Hash TablesArraysTwo PointersIdexcel
More Coding questions with a free account
2
SQL & Data Manipulation8 questions + 2 drills · ~103 min
Group Filtering with HAVINGEasy
Practice

Use GROUP BY and HAVING to find NetSuite customers with at least two approved sales orders.

Group ByHavingAggregationsIdexcel
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByIdexcel
Finding Duplicate Records in SQLMedium

Tests your ability to detect duplicates using grouping and appropriate uniqueness logic in SQL.

Group ByHavingAggregationsIdexcel
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymo
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
More SQL & Data Manipulation questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership14 questions · ~145 min
Prioritizing When Everything Is UrgentEasy

Tests prioritization under pressure: how you create clarity, make trade-offs, and align stakeholders when multiple requests feel equally urgent.

Stakeholder ManagementOwnershipDealing With AmbiguityIdexcel
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 43 questions plus 2 hands-on drills to finish this plan.