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Updated weekly · Last refresh Aug 30

InMobi Software Engineer Interview Questions

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

50questions
~10htotal time
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1
CodingStart here. 22 questions · ~257 min
Reverse a Singly Linked ListEasy
Practice

Problem Given the head of a singly linked list, reverse the list, and return the new head node. The linked list is defined as follows: python class ListNo...

RecursionStackDynamic ProgrammingInMobi
Missing Range Not PresentMedium
Practice

Find the smallest absent integer in an inclusive range using a hash set while ignoring duplicates and out-of-range values.

InMobi
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2
Pipelines3 questions · ~35 min
HTTP Keep-Alive and API Gateway PerformanceMedium

Tests your understanding of HTTP connection management and performance implications for backend services.

InfrastructureAPIsperformanceInMobi
Real-Time Analytics SynchronizationHard

Tests your system design for near-real-time ingestion, aggregation, and synchronization at large scale.

Stream ProcessingBatch ProcessingOrchestrationInMobi
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3
System Design7 questions · ~82 min
Unique User Mapping for Ad ServingHard

Tests your ability to design identity resolution at massive scale with correctness, latency, and privacy considerations.

Cold StartFeature StoreRecommendation SystemsInMobi
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4
Execution3 questions · ~35 min
Round Structure: Algo, DS, System DesignMedium

Evaluates readiness and preparation strategy across algorithmic and system design rounds.

system designInMobi
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5
Security & Infrastructure7 questions · ~82 min
Virtual DOM and CSS Box ModelEasy

Assesses frontend fundamentals relevant to mobile-first UI rendering and performance.

cssInMobi
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6
Behavioral & Leadership6 questions · ~70 min
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7
More topics2 questions · ~23 min
Spatial Database for Localized AdsHard

Tests your data modeling and query performance skills for location-based ad targeting.

JoinsperformanceData ModelingInMobi
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.