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Updated weekly · Last refresh Oct 17

SIXT Mobile Engineer Interview Questions

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

26questions
~5htotal time
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1
CodingStart here. 10 questions · ~108 min
Smallest Covering SubstringHard
Practice

Find the shortest substring containing all required characters using a frequency map and sliding window.

StringsSIXT
Design an LRU CacheEasy
Practice

Implement an LRU cache in O(1) average time using a hash table and doubly linked list.

Hash TablesQueueLinked ListsSIXT
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2
Product Sense3 questions · ~32 min
Display Cars on a MapMedium

Evaluates your ability to implement a practical map UI and data visualization.

SIXT
Map View Home TaskMedium

Assesses your approach to building map-based features and delivering usable prototypes.

user interfaceSIXT
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3
Behavioral & Leadership9 questions · ~97 min
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4
More topics4 questions · ~43 min
Using Kotlin and Swift FeaturesMedium

Tests language fluency and ability to use modern features to improve mobile code quality.

technical experienceSIXT
Modular MVVM for Feature DeliveryHard

Tests architectural skills for modularity, maintainability, and delivery mechanisms in production apps.

modularizationtechnical deptharchitectureSIXT
Secure Client Storage for TokensMedium

Tests secure storage practices and client-side handling of credentials for a production mobility platform.

SecuritySIXT
Activity/View State RestorationMedium

Tests understanding of mobile UI lifecycles and reliable state restoration across configuration changes.

lifecycleSIXT
The finish line: interview-readyComplete all 26 questions to finish this plan.