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American Express Global Business Travel Mobile Engineer Interview Questions

The questions to prepare for a American Express Global Business Travel Mobile Engineer interview. Questions from real interview reports rank first. Updated weekly.

47questions
~7htotal time
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1
CodingStart here. 27 questions · ~224 min
UIKit vs SwiftUI ComparisonEasy

Compare UIKit and SwiftUI in terms of architecture, state handling, and when to use each.

ArraysStringsAmerican Express Global Business Travel
Design a Mobile API CacheMedium

Explain how to structure API integration in a mobile app using caching, retries, request deduplication, and offline-aware data flow.

Hash TablesArraysStringsAmerican Express Global Business Travel
Design Mobile User AuthenticationMedium

Explain how to design secure user authentication in a mobile app using tokens, session handling, and secure storage.

Hash TablesArraysStringsAmerican Express Global Business Travel
MVC vs MVVM in iOSEasy

Compare MVC and MVVM in iOS, including responsibilities, data flow, and when to choose each for an Amex GBT app.

Hash TablesArraysAmerican Express Global Business Travel
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2
Product Sense3 questions · ~25 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentAmerican Express Global Business Travel
Travel Booking App ComponentsHard

Tests your product thinking for building a travel booking experience with the right mobile components.

User NeedsUse CasesProduct VisionAmerican Express Global Business Travel
Gathering Requirements From Non-Technical PartnersMedium

Evaluates your ability to translate business needs into clear requirements for mobile execution.

User ResearchUser NeedsAmerican Express Global Business Travel

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3
Behavioral & Leadership17 questions · ~141 min
Mentoring a Junior EngineerEasy

Tests how effectively you mentor junior engineers through structured coaching, clear expectations, and measurable growth.

MentorshipCommunicationLeadershipAmerican Express Global Business Travel
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