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Updated weekly · Last refresh Aug 30

DeepInstinct Software Engineer Interview Questions

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

35questions
~5htotal time
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1
CodingStart here. 10 questions · ~91 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersDeepInstinct
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsDeepInstinct
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2
Execution5 questions · ~45 min
Explain Your Thinking With a DrawingMedium

Tests clarity of reasoning and ability to communicate ideas visually and logically.

Trade-offsCommunicationRoadmappingDeepInstinct
New Project With Unclear RequirementsMedium

Tests requirements discovery, stakeholder alignment, and iterative delivery strategy.

RoadmappingRisk AssessmentScope ManagementDeepInstinct
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3
System Design3 questions · ~27 min
Agent Events to Priority NotificationsHard

Tests system design skills for event ingestion, prioritization, delivery guarantees, and operational reliability.

Feature StoreModel ServingRecommendation SystemsDeepInstinct
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4
Security & Infrastructure6 questions · ~55 min
Process vs Thread DifferencesEasy

Assesses your foundational OS understanding of processes and threads.

processesDeepInstinct
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5
Behavioral & Leadership8 questions · ~73 min
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6
More topics3 questions · ~27 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityDeepInstinct
SQL Union Query With ConstraintsMedium

Tests SQL query construction and correctness for UNION-based data manipulation.

sqlDeepInstinct
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Top 5 Products Per MonthMedium
Practice
Practice drill

Rank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().

sqlCGICgi NederlandCGI Group
The finish line: interview-readyComplete all 35 questions plus 3 hands-on drills to finish this plan.