Sr. Mobile iOS Engineer
xAI · Palo Alto, CA; New York, NY · New York, NY · Palo Alto, CA
Frontier labonsitesenior$200k–$375k
At a glance
Highlights
- Join small, high-impact team building X app used by millions daily.
- Craft magical experiences redefining how people join the global town square.
- Help build Super Intelligence to help humanity understand the universe.
What they offer
- Equity
- Comprehensive medical, vision and dental coverage
- 401(k) retirement plan
- Short and long-term disability insurance
- Life insurance
- Discounts and perks
Ideal candidate
A product-obsessed iOS craftsman who sweats every pixel and millisecond and ships standout features at speed. You thrive owning quality end-to-end in a fast-paced team serving millions daily.
Requirements
- Experience in Swift and UIKit
- Deep expertise in Apple ecosystem and development tools
- Track record shipping standout apps or standout features
- Sharp product sense with empathy for user needs
- Proficient in performance optimization across memory, CPU and GPU
- Experienced designing pixel-perfect mobile UIs
- Skilled in concurrency and reactive programming with Combine
- Built high-throughput API and AI model integrations
- Able to own 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
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