FAANG · engineering

X (Twitter) iOS Developer Interview Questions

Complete prep guide for iOS Developer interviews at X (Twitter). Real questions across 4 rounds, covering swift, swiftui, uikit, and salary ranges from $120K–$220K.

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X (Twitter) iOS Interview Breakdown

Round Format Focus
Online Assessment Timed Coding Algorithms, Data Structures
Phone Screen Live Technical swift & swiftui
Technical Rounds Problem Solving uikit, core-data, app-architecture, app-store
Behavioral STAR Method Move with Urgency, Hardcore Engineering

X (Twitter) iOS Developer Technical Questions

X (Twitter) tests candidates on swift, swiftui, uikit, core-data, app-architecture, app-store for iOS Developer roles. Below are the key topic areas you'll face.

swift

engineering

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swiftui

engineering

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uikit

engineering

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core data

engineering

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app architecture

engineering

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app store

engineering

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X (Twitter) Behavioral Questions — 3 Principles

X (Twitter) maps every behavioral question to one of these core values. Prepare STAR method answers for each principle.

BEHAVIORAL

Move with Urgency

Prepare a specific, measurable STAR answer demonstrating this principle in your own experience.

BEHAVIORAL

Hardcore Engineering

Prepare a specific, measurable STAR answer demonstrating this principle in your own experience.

BEHAVIORAL

Maximize Truth-Seeking

Prepare a specific, measurable STAR answer demonstrating this principle in your own experience.

X (Twitter) iOS Developer Salary

Total compensation ranges from $120K to $220K per year for a iOS Developer at X (Twitter).

$120K
Base (Fresher/Junior)
$220K
Senior/Staff (with equity)

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