Mobile iOS Engineer

X AI
London
Workplace: OnsiteFull timeUSD 180,000 - 440,000 annuallyFunction: Data Analytics & Business IntelligenceSkills: ["Initiative","Fast delivery","High agency","Product mindset","Communication"]

iOS engineer on a small, high-impact team at xAI, shaping cutting-edge mobile experiences for an AI application. You’ll own features end-to-end—from architecture to App Store deployment—while optimizing performance (memory, CPU, GPU), building pixel-perfect UIs, and collaborating with AI researchers to deploy state-of-the-art models globally.

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FursaFursa
X AI
X AI
6 months ago

Mobile iOS Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

iOS engineer on a small, high-impact team at xAI, shaping cutting-edge mobile experiences for an AI application. You’ll own features end-to-end—from architecture to App Store deployment—while optimizing performance (memory, CPU, GPU), building pixel-perfect UIs, and collaborating with AI researchers to deploy state-of-the-art models globally.
Location: London
Workplace: Onsite
Employment Type: Full time
Job Function: Data Analytics & Business Intelligence

Key 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
  • •Own complex features end-to-end, from architecture to App Store deployment, with speed and scalability

Pay and Benefits

Salary: USD 180,000 - 440,000 annually
Equity and Bonus:Equity
Perks:MedicalVisionDental401kDisability InsuranceLife InsuranceEquity

Key Requirements

  • •Expert in Swift with deep knowledge of SwiftUI and UIKit
  • •Proficient in performance optimization (memory, CPU, GPU) using low-level tools
  • •Experienced in designing and shipping intuitive, pixel-perfect mobile UIs
  • •Skilled in concurrency and reactive programming (Combine) for real-time apps
  • •Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs
Experience:MobileIOSSwiftAI
Skills:InitiativeFast deliveryHigh agencyProduct mindsetCommunication
Languages:English
Tech Stack:SwiftSwiftUIUIKitCombineRESTGRPCAVFoundationRust

Company Brief

X AI
Develops advanced artificial intelligence models and research aimed at building safe, general AI and understanding the fundamental nature of the universe. Focuses on large-scale AI systems, research publications, and building foundational AI capabilities.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Early Stage Startup
Headquarters: San Francisco, United States
Founded: 2023
Website