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Recro Interview Questions

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

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1
SQL & Data ManipulationStart here. 10 questions + 1 drill · ~126 min
2
Coding11 questions · ~127 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsRecro
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersRecro
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3
Technical Fundamentals11 questions · ~127 min
ARC and Retain Cycle PreventionMedium

Tests memory management knowledge and ability to identify and fix retain cycles in Swift.

memory managementcode qualitytechnical experienceRecro
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4
Software Architecture3 questions · ~35 min
Bridging Objective-C to SwiftMedium

Tests migration strategy, interoperability skills, and risk management when modernizing iOS apps.

migrationcode qualitytechnical experienceRecro
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5
Execution10 questions · ~116 min
Web Application Testing TechniqueMedium

Assesses familiarity with common techniques used for web application testing.

Recro
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6
Behavioral & Leadership3 questions · ~35 min
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7
More topics2 questions · ~23 min
Recro System Design TablesMedium

Evaluates your ability to model entities and data relationships in a system design context.

system designdatabase designRecro
OAuth 2.0 Auth FlowMedium

Tests security fundamentals, token handling, and correct OAuth 2.0 client implementation.

rest apisauthenticationSecurityRecro
The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.