xAI · 22 hours ago
Mobile iOS Engineer - Grok
Palo Alto, CA
Full-time
Onsite
Senior Level
$180K/yr - $440K/yrxAI is on a mission to create AI systems that understand the universe and aid humanity. They are seeking an exceptional iOS engineer to join a small, high-impact team focused on creating valuable AI applications, blending technical mastery with product brilliance.
Artificial Intelligence (AI)Generative AIInformation TechnologyMachine Learning
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
Qualification
Required
Expert in Swift, with deep knowledge of SwiftUI and UIKit
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 that redefine how users interact with AI
Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps
Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow
Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability
Technically Exceptional: You possess deep expertise in iOS development, particularly with Swift
Efficient: You excel at delivering results swiftly, often in a fraction of the time others require
Hardworking
High Agency: You don't wait for direction—you take initiative and make things happen
Product-Minded: You have a sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value
Preferred
Deep expertise in the Apple ecosystem and related development tools
Rust for working with our backend components
AVFoundation for real-time audio processing
Track record of shipping standout apps or standout features within apps
Benefits
Equity
Comprehensive medical, vision, and dental coverage
Access to a 401(k) retirement plan
Short & long-term disability insurance
Life insurance
Various other discounts and perks
Company
xAI
XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.
Founded in 2023
11-50 employees
H1B Sponsorship
xAI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Growth StageTotal Funding
$22.73BKey Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B
2025-07-01Debt Financing· $5B
Leadership Team
Toby Pohlen
Founding Member
Recent News
2025-12-31
2025-12-31
Company data provided by crunchbase