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Updated weekly · Last refresh Nov 11

Version 1 Interview Questions

The questions to prepare for Version 1 interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 6 questions · ~51 min
Palindrome Program LogicEasy
Practice
Recently asked

Determine whether a word reads identically forward and backward using a two-pointer scan.

Basic Algorithmsstring manipulationAlgorithmsVersion 1
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2
Execution6 questions · ~51 min
Recover a Slipping ProjectMedium
Recently asked

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentVersion 1
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3
SQL & Data Manipulation3 questions + 3 drills · ~55 min
Star vs Snowflake for Sales AnalyticsMedium

Compare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.

JoinsData WranglingGroup ByVersion 1
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
Database Indexing Trade-offsHard
Practice
Practice drill

Compare PostgreSQL index strategies by read latency, write overhead, storage size, and an overall cost score.

Trade-offsdatabase optimizationdatabase managementHHostinger InternationalAAkinaPPorch Group
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
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4
Pipelines6 questions · ~51 min
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityVersion 1
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5
Sales & Customer6 questions · ~51 min
Walk Through a Complex Closed-Won DealMedium
Recently asked

Explain how you qualified, multi-threaded, and closed a difficult deal.

Stakeholder ManagementCommunicationOwnershipVersion 1
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6
Metrics3 questions · ~25 min
Metrics for Project HealthEasy
Recently asked

Choose a practical set of leading and lagging metrics to judge whether a project is on track.

KPIsproject healthLeading IndicatorsVersion 1
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7
More topics20 questions · ~169 min
Product Decisions and User Needs ExperienceEasy

Summarize relevant product experience, emphasizing user needs, decisions, outcomes, and lessons learned.

User Needsproduct developmentproduct discoveryVersion 1
Handling Architectural Stakeholder ConflictMedium

Tests conflict resolution and influence when a stakeholder challenges an architectural decision with meaningful business or technical stakes.

Conflict ResolutionStakeholder ManagementCommunicationVersion 1
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.