Dataford
Top 22
Prep plan
Updated weekly · Last refresh Sep 9
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HN Services Software Engineer Interview Questions

The questions to prepare for a HN Services Software Engineer interview. Questions from real interview reports rank first. Updated daily.

22questions
~3htotal time
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1
CodingStart here. 7 questions + 1 drill · ~69 min
IQ-Style Image Pattern PredictionHard

Evaluates visual pattern recognition and speed in structured reasoning tasks.

pattern recognitionHHN Services
Implement a Data TransformationMedium
Recently asked

Tests coding ability to implement correct transformations with attention to edge cases.

Codingfunction implementationHHN Services
Sequence Completion ChallengeMedium
Recently asked

Tests logical reasoning and systematic problem solving for sequence-based tasks.

logicProblem SolvingHHN Services
Pattern Recognition in SeriesMedium
Recently asked

Tests ability to recognize patterns and reason efficiently about sequences.

logicpattern recognitionHHN Services
Writing SAS Code Under PressureMedium
Practice
Practice drill

Identify missing, unexpected, duplicate, and inconsistent derived records using PostgreSQL validation queries.

Codingdata accuracydata verificationCCytel Inc
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2
Behavioral & Leadership12 questions · ~101 min
Learning New Technology Under DeadlineMedium
Recently asked

Tests learning agility under pressure, plus ownership and prioritization when rapid technical ramp-up is required.

initiativeadaptabilitycontinuous learningHHN Services
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3
More topics3 questions · ~25 min
What Is Java?Easy

Assesses baseline understanding of Java and core concepts.

javatechnical knowledgeHHN Services
SQL Joins, Group By, HavingMedium

Tests SQL proficiency across joins, aggregation, and filtering with having.

JoinssqlAggregationsHHN Services
Recover From Schedule SlippageHard
Recently asked

Tests execution planning, risk management, and stakeholder communication under delivery pressure.

LeadershipProblem SolvingProject ManagementHHN Services

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL and Tableau UsageMedium
Practice
Practice drill

Summarize each analyst's SQL activity and Tableau asset usage with joins, aggregations, and CASE classification.

analytics toolsexperienceJoinsDatadog
Second and Nth Highest ValuesMedium
Practice
Practice drill

Find the second highest distinct salary and adapt the query to retrieve any requested salary rank.

Data Manipulationsqldatabase queryingSnowflake ComputingAARiAArtizent
The finish line: interview-readyComplete all 22 questions plus 3 hands-on drills to finish this plan.