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Updated weekly · Last refresh Aug 30

Headway - Design & Development Data Analyst Interview Questions

The questions to prepare for a Headway - Design & Development Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

21questions
~3htotal time
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1
MetricsStart here. 3 questions · ~24 min
Therapist Matching KPI SelectionMedium

Tests KPI selection and measurement thinking for matching quality and operational efficiency.

KPILeading IndicatorsHeadway - Design & Development
Diagnose Provider Onboarding Drop-OffMedium

Tests structured investigation, segmentation, and causal reasoning for onboarding funnel changes.

Cancellation RateDiagnosisCohort AnalysisHeadway - Design & Development
Baseline Metric Without HistoryMedium

Tests experimental design and metric baselining when prior data is unavailable.

KPIDiagnosisHeadway - Design & Development
2
SQL & Data Manipulation3 questions + 3 drills · ~54 min
Optimize Slow Aggregation QueryHard

Tests performance troubleshooting and query optimization for large-scale healthcare datasets.

financial dataperformanceAggregationsHeadway - Design & Development
Join Types and DeduplicationMedium

Tests understanding of join semantics with nulls and practical deduplication approaches in SQL.

null handlingJoinsdata integrityHeadway - Design & Development
SQL Querying Under ConstraintsMedium

Tests SQL problem-solving approach and ability to communicate reasoning under time constraints.

sqlHeadway - Design & Development
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
Retention Cohorts With Complex JoinsHard
Practice
Practice drill

Build twelve-month Twitch viewer retention cohorts with CTEs, joins, date offsets, and conditional aggregation.

JoinssqlCohort AnalysisTwitch

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3
Behavioral & Leadership14 questions · ~112 min
Presenting Unwelcome Analytical FindingsMedium

Tests whether you can influence resistant non-technical stakeholders with clear, data-driven communication while preserving trust and ownership.

Influence Without AuthorityStakeholder ManagementCommunicationHeadway - Design & Development
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4
More topics1 question · ~8 min
A/B Test for Search FilterMedium

Tests experiment design, metric selection, and control of confounding factors in A/B testing.

experiment designGuardrail MetricsSample SizeHeadway - Design & Development
The finish line: interview-readyComplete all 21 questions plus 3 hands-on drills to finish this plan.