Mobile iOS Engineer

Team

SpaceXAI's mission is to create AI systems that accurately understand the universe and aid humanity. Small, highly motivated team focused on engineering excellence. Flat organizational structure. All employees are expected to be hands-on and contribute directly to the mission. Leadership given to those who show initiative and consistently deliver excellence.

Responsibilities

• Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile
• Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless
• Build blazing-fast, highly performant systems where every millisecond counts
• Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally

Requirements

• Expert in Swift, with deep knowledge of UIKit and SwiftUI
• Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing-fast systems
• Experienced in designing and shipping intuitive, pixel-perfect mobile UIs
• Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps
• Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs
• Capable of owning complex features end-to-end, from architecture to App Store deployment, with focus on speed and scalability

Preferred Skills

• Deep expertise in Apple ecosystem and related development tools
• Rust for backend components
• AVFoundation for real-time audio processing
• Track record of shipping standout apps or standout features within apps
• Deep expertise in iOS development, particularly with Swift
• Excel at delivering results swiftly, often in fraction of time others require
• Sharp product sense with ability to empathize with users, anticipate needs, and translate into features that delight and deliver value

Benefits

• Equity
• Comprehensive medical, vision, and dental coverage
• 401(k) retirement plan
• Short & long-term disability insurance
• Life insurance
• Various other discounts and perks
• Opportunity to work on world's most valuable AI application
• Small, high-impact team
• On-site in New York or Palo Alto
• Equal opportunity employer with accommodations available
• Speed is a core value—must act decisively to succeed
• High ownership and responsibility
• Collaborate with AI researchers and engineers
• Shape cutting-edge mobile experiences for AI applications
• Flat organizational structure with direct contribution to mission