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Sr. Mobile iOS Engineer

xAI · New York, NY; Palo Alto, CA · New York, NY · Palo Alto, CA

Frontier labonsitesenior$180k–$330k
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At a glance

Highlights

  • Join small, high-impact team building X for iOS used by millions daily.
  • Craft delightful experiences redefining how people join global town square.
  • Improve app end-to-end from groundbreaking features to micro-optimizations.

What they offer

  • equity
  • medical coverage
  • vision coverage
  • dental coverage
  • 401(k) retirement plan
  • short-term disability insurance
  • long-term disability insurance
  • life insurance

Ideal candidate

Product-obsessed iOS craftsman with 5+ years shipping polished apps, obsessing over pixels, animation, and speed. You thrive owning features end-to-end in fast-paced teams and delight in turning user empathy into magical mobile experiences.

Requirements

  • 5+ years of experience in Swift and UIKit
  • Deep expertise in Apple ecosystem and related development tools
  • Track record of shipping standout apps or standout features
  • Proficient in performance optimization across memory, CPU and GPU
  • Skilled in concurrency and reactive programming (Combine)
  • Experienced designing pixel-perfect mobile UIs
  • Capable of owning complex features end-to-end to App Store deployment

Lab profile

About xAI

Builds AI systems to understand the universe and advance human knowledge.

Known for

  • Engineering excellence focus
  • Large-scale data center operations
More about xAI →
Apply on the lab’s site ↗

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