Senior iOS Engineer: Swift, Pixel-Perfect & High-Impact

SpaceXAI; Palo Alto, New York (CA, NY); On-site; USD 200,000 - 375,000; Full time

Benefits offered by this job

Equity

Medical, Vision & Dental coverage

401(k) retirement plan

Disability insurance

Life insurance

Employee discounts

Job summary

SpaceXSI is seeking a Sr. Mobile iOS Engineer to join a small, fast-moving team building X for iOS, the app used by millions daily. You’ll own features from design to deployment, delivering pixel-perfect experiences with high performance and speed across devices.

The role emphasizes swift delivery, collaboration with designers, backend, Android and web teams, and ownership of end-to-end features, including testing and optimizations, in a high-impact environment.

Qualifications

• Experience in Swift and UIKit is required.
• Strong expertise in iOS development and Apple ecosystem.
• Track record of shipping iOS features or apps.

Responsibilities

• Craft delightful, intuitive user experiences for the app.
• Obsess over every pixel, animation, and interaction for a magical feel.
• Build blazing-fast, highly performant systems with millisecond responsiveness.
• Collaborate with designers, backend, Android and web engineers.
• Own the quality of the products you build, run A/B tests, and fix issues.
• Identify improvements from user feedback and daily app usage.

Skills

Swift

UIKit

Apple ecosystem

Combine

Mobile UI

Xcode

Tools

Xcode

Job description

SpaceXSI is seeking a Sr. Mobile iOS Engineer to join a small, fast-moving team building X for iOS, the app used by millions daily. You’ll own features from design to deployment, delivering pixel-perfect experiences with high performance and speed across devices.

The role emphasizes swift delivery, collaboration with designers, backend, Android and web teams, and ownership of end-to-end features, including testing and optimizations, in a high-impact environment.