Top 28
Prep plan
Updated weekly · Last refresh Oct 17

Grab Mobile Engineer Interview Questions

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

28questions
~5htotal time
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1
CodingStart here. 12 questions · ~137 min
Binary Search and Edge CasesEasy
Practice

Use boundary-aware binary search to find the first occurrence of a target item ID in sorted GrabMart data.

binary searchAlgorithmsedge casesGrab
Binary Search on Rotated ArrayEasy
Practice

Find a target index in Grab's rotated sorted data using modified binary search in O(log n) time.

binary searchArraysAlgorithmsGrab
Binary Search in Sorted ArrayEasy
Practice

Implement binary search to find a target in a sorted array in O(log n) time.

RecursionMathArraysGrab
Maximum Sum Contiguous SubarrayEasy
Practice

Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.

Dynamic ProgrammingArraysGreedyGrab
Two Sum with TargetEasy
Practice

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

Hash TablesArraysStringsGrab
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2
Behavioral & Leadership14 questions · ~160 min
Challenging Work ExperienceMedium

Tests how you handle ambiguity, trade-offs, and execution under pressure.

Grab
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3
More topics2 questions · ~23 min
Ride-Sharing App DesignHard

Assesses product sense and your ability to structure a scalable ride-sharing app design.

designGrab
Approach to Debugging Mobile AppsMedium

Tests structured debugging methodology and use of tools to isolate root causes.

DebuggingGrab

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