Luma AI is a full-stack AI lab seeking an iOS Engineer to serve as a technical authority in mobile architecture and strategy. This role involves designing and implementing foundational systems for a generative media platform, coordinating with GPU clusters for low-latency service to millions of users. The engineer will define the mobile roadmap, make high-stakes technology decisions, and architect client logic for state management and offline capabilities, translating frontier research into reliable products.

Must Have

• Serve as a technical authority within the mobile organization.
• Architect foundational systems for generative media platform on iOS.
• Define technical strategy for mobile infrastructure.
• Ensure mobile infrastructure supports massive-scale inference and complex agentic workflows.
• Design and implement robust client-side architecture coordinating with massive GPU clusters.
• Lead definition of mobile roadmap, making high-stakes decisions on technology selection, modularization, and infrastructure scalability.
• Architect sophisticated client logic translating frontier research into reliable product capabilities.
• Solve challenges in state management and offline capability.
• Track record of designing complex mobile systems from first principles.
• Deep, versatile expertise across the mobile spectrum, from kernel level up to the UI layer.
• History of making high-stakes technical decisions for complex systems in high-growth environments.

The Opportunity

Luma AI operates as a full-stack AI lab, training foundational models and building the products that utilize them. We have secured the capital and compute resources of a major tech company while maintaining the high-impact structure of a focused startup. This unique position allows our core engineering team to operate with immense leverage, deploying resources that few other companies can match to solve the hardest problems in multimodal intelligence.

Where You Come In

You will serve as a technical authority within the mobile organization, architecting the foundational systems that power our generative media platform on iOS. This is a hands-on leadership role where you will define the technical strategy for our mobile infrastructure, ensuring it can support massive-scale inference and complex agentic workflows.

What You Will Build

• Distributed Mobile Architecture: Design and implement robust client-side architecture that coordinates with massive GPU clusters to serve millions of users with low latency.
• Technical Strategy: Lead the definition of our mobile roadmap, making high-stakes decisions on technology selection, modularization, and infrastructure scalability.
• The Foundation: Architect the sophisticated client logic that translates frontier research into reliable product capabilities, solving challenges in state management and offline capability.

The Profile We Are Looking For

• Architectural Authority: You have a track record of designing complex mobile systems from first principles, demonstrating the judgment to navigate trade-offs between speed, reliability, and scale.
• Systems Generalist: You possess deep, versatile expertise across the mobile spectrum, with the ability to operate from the kernel level up to the UI layer.
• Technical Judgment: You have a history of making high-stakes technical decisions for complex systems in high-growth environments.