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Knowesis Software Engineer Interview Questions

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

26questions
~4htotal time
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1
CodingStart here. 10 questions · ~97 min
First Non-Repeating CharacterEasy
Practice

Find the first non-repeating character in a string using frequency counting and a second pass in O(n) time.

Hash TablesStringsSearchingKnowesis
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysKnowesis
Version Control Tools and ImportanceEasy

Explain Git-based version control, why it matters for collaboration, traceability, and safe code changes.

technicalProgrammingtoolingKnowesis
Explain Time Complexity of Array SearchEasy

Explain how to analyze the time complexity of a common array search solution and justify the Big O result.

MathArraysSearchingKnowesis
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2
Execution15 questions · ~145 min
Resolve Conflict During Platform DeliveryEasy

Explain how you resolved a team conflict that was affecting execution, alignment, and delivery.

Trade-offsRisk AssessmentKnowesis
Explain REST vs SOAP ClearlyEasy

Explain RESTful APIs and SOAP clearly, focusing on practical differences that matter for delivery and integration decisions.

Trade-offsScope ManagementKnowesis
Prioritize Across Competing Data ProjectsEasy

Explain how you prioritize across multiple concurrent data engineering projects with competing stakeholder needs and limited capacity.

Trade-offsRoadmappingScope ManagementKnowesis
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3
More topics1 question · ~10 min
Optimizing a Slow QueryHard

Tests query tuning skills, indexing strategy, and diagnosing performance bottlenecks.

SubqueriesJoinsAggregationsKnowesis
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers SQL QueryEasy
Practice
Practice drill

Aggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.

RankingGroup ByAggregationsPyramid ConsultingBNYCambia Health Solutions
Rolling Average with SQL WindowsMedium
Practice
Practice drill

Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.

TavantRpmglobalTwo Six Technologies
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
The finish line: interview-readyComplete all 26 questions plus 3 hands-on drills to finish this plan.