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Updated weekly · Last refresh Oct 17

Next Ventures Software Engineer Interview Questions

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

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1
Behavioral & LeadershipStart here. 6 questions · ~48 min
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2
More topics9 questions · ~72 min
Design Travel Booking FrontendMedium

Assesses frontend system design decisions for a booking workflow and user experience.

Next Ventures
Frontend Security for Financial APIsMedium

Tests knowledge of frontend security controls for protecting access to sensitive financial data.

CommunicationSecuritytechnical experienceNext Ventures
State Management in Complex FlowsMedium

Tests ability to design maintainable state management for complex SPA user journeys.

state managementtechnical experiencePrioritizationNext Ventures
Consistency Across Brokerage LedgersHard

Tests distributed data consistency strategies and transactional integrity thinking.

acid propertiestransactionsdata integrityNext Ventures
Design a Millisecond Rules EngineHard

Tests system design and performance engineering for low-latency trading decisioning.

Trade-offsRoadmappingRisk AssessmentNext Ventures
Event-Driven vs REST for TradingMedium

Tests architectural tradeoffs and decision-making for trading systems using events versus request-response.

APIsarchitectureNext Ventures
Pixel-Perfect UI Under Time PressureMedium

Tests practical frontend implementation skills under time constraints and adherence to UI requirements.

StringsfunctionsoopNext Ventures
High-Concurrency Writes During VolatilityHard

Tests database performance and correctness under heavy write contention and spikes.

null handlingperformancetransactionsNext Ventures
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimizing Slow SQL QueriesHard
Practice
Practice drill

Optimize a PostgreSQL transaction aggregation over millions of rows using selective joins, pre-aggregation, window functions, and indexing.

database optimizationlarge datasetsperformanceSutherlandCrowe LLP
Optimize Slow SQL at ScaleHard
Practice
Practice drill

Optimize a PostgreSQL transaction aggregation query using selective filtering, pre-aggregation, joins, and window calculations.

database optimizationlarge datasetsperformancePlaid
SQL Deduplication With RecencyMedium
Practice
Practice drill

Delete duplicate thermostat events while retaining the most recently created row, including deterministic handling of timestamp ties.

deduplicationdata cleaningnull handlingResideo
The finish line: interview-readyComplete all 15 questions plus 3 hands-on drills to finish this plan.