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Updated weekly · Last refresh Oct 18

Convex Software Engineer Interview Questions

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

50questions
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1
CodingStart here. 10 questions · ~92 min
Set Union Without Built-insMedium
Practice

Return the ordered union of two lists using manual scanning, without set, union, append, or other collection methods.

Convex
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysConvex
Optimizing a Slow ApplicationMedium

Tests performance troubleshooting, measurement, and targeted optimization strategies.

Hash TablesArraysSortingConvex
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2
Execution23 questions · ~211 min
Proud Coding Project WalkthroughEasy

Walk through a coding project that demonstrates technical depth, stakeholder alignment, and clear business impact.

Trade-offsSuccess CriteriaScope ManagementConvex
Define Success Criteria Before BuildEasy

Define success criteria for an engineering initiative before the team starts building.

Launch PlanningSuccess CriteriaRoadmappingConvex
Collaborate Across Product and Data ScienceMedium

Explain how you collaborate with product managers and data scientists to align goals, manage trade-offs, and deliver AI work effectively.

CommunicationteamworkConvex
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3
Pipelines14 questions · ~129 min
Backfill Missing Customer DataHard

Design a safe backfill for missing customer records after an upstream fix, with idempotent reprocessing and data quality checks.

IdempotencyDependenciesBackfillingConvex
Production Pipeline Quality MonitoringMedium

Approach for adding data quality checks, observability, and production monitoring to a data pipeline.

Data QualitymonitoringobservabilityConvex
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4
Behavioral & Leadership3 questions · ~28 min
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