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Role and Responsibilities

• Own the iOS application end-to-end, from architecture decisions to App Store releases.
• Develop highly polished, game-like mobile experiences using Swift and modern iOS frameworks.
• Build smooth gameplay systems, animations, interactions, and progression mechanics that maximize user engagement and retention.
• Integrate Generative AI capabilities into the mobile experience, enabling intelligent conversations, personalized interactions, and adaptive virtual companion behaviors.
• Collaborate closely with backend AI engineers to build seamless experiences powered by modern LLMs, agent-based architectures, and AI services.
• Build engaging AI-powered gameplay mechanics where virtual companions learn, react, evolve, and create personalized experiences based on user interactions.
• Optimize client-side AI experiences, including streaming responses, latency management, caching strategies, and conversational interfaces.
• Collaborate closely with product, design, backend, growth, and game design teams to transform gameplay concepts into delightful user experiences.
• Implement systems for virtual pets, inventory, achievements, rewards, progression, customization, daily quests, and long-term engagement loops.
• Create fluid animations, responsive interactions, and high-performance rendering across a wide range of Apple devices.
• Integrate backend APIs, analytics platforms, feature flags, remote configuration, push notifications, and monetization systems.
• Optimize application performance, battery usage, rendering performance, and memory consumption.
• Design scalable mobile architecture that supports rapid experimentation and continuous product evolution.
• Participate in A/B testing, user engagement optimization, analytics instrumentation, and experimentation initiatives.
• Maintain high engineering standards through testing, CI/CD, code reviews, release automation, and production monitoring.
• Collaborate with artists, designers, AI engineers, and product stakeholders to deliver an exceptional AI-native mobile gaming experience.

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What We're Looking For

Must-Haves

• 4+ years of professional iOS development experience building and shipping production mobile applications.
• Strong expertise in Swift and modern iOS development.
• Experience developing interactive, animation-heavy, or game-oriented mobile applications.
• Strong understanding of UIKit and/or SwiftUI.
• Experience with animation and graphics frameworks such as Core Animation, SpriteKit, SceneKit, or Metal.
• Experience building gameplay systems such as achievements, progression, inventories, virtual economies, customization, or reward mechanics.
• Strong understanding of mobile performance optimization, rendering pipelines, memory management, and responsive UI.
• Experience integrating REST APIs, GraphQL APIs, analytics platforms, feature flags, and remote configuration.
• Experience integrating AI-powered APIs or cloud services into mobile applications.
• Understanding of Generative AI, Large Language Models (LLMs), streaming APIs, and conversational user experiences.
• Experience publishing and maintaining applications on the Apple App Store.
• Strong product mindset with attention to UX, user psychology, engagement, and retention.
• Excellent communication skills and the ability to work independently in a fast-paced startup environment.

Nice-to-Haves

• Professional experience using Unity for iOS game development.
• Experience with Godot Engine, Unreal Engine, Cocos2d-x, or other game engines.
• Experience integrating providers such as OpenAI, Anthropic Claude, Google Gemini, or similar LLM platforms.
• Familiarity with AI agent architectures, function/tool calling, Retrieval-Augmented Generation (RAG), or conversational AI systems.
• Experience building AI-powered gameplay mechanics, NPCs, virtual assistants, or intelligent digital companions.
• Experience developing casual games, idle games, simulation games, virtual pet games, or highly engaging consumer applications.
• Experience implementing subscriptions, in-app purchases, virtual currencies, and mobile monetization strategies.
• Experience with Firebase, GraphQL, AWS, or modern backend platforms.
• Experience scaling mobile applications from MVP to large consumer audiences.
• Startup or founding engineer experience.
• Strong interest in gaming, AI, consumer products, behavioral psychology, and interaction design.

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Preferred Technical Stack

Core Mobile

• Swift
• SwiftUI
• UIKit
• Core Animation
• SpriteKit
• SceneKit
• Metal
• StoreKit

Gaming Technologies

Experience with one or more of the following is highly valued:

• Unity (most widely used for cross-platform mobile games)
• SpriteKit (Apple's native 2D game engine)
• SceneKit (Apple's native 3D framework)
• Godot Engine
• Unreal Engine
• Cocos2d-x

AI & Backend

• OpenAI API
• Anthropic Claude API
• Google Gemini
• REST APIs
• GraphQL
• WebSockets
• Server-Sent Events (SSE)
• Firebase

Development

• CI/CD Pipelines
• Crashlytics
• Feature Flags
• Analytics Platforms
• Remote Configuration

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Why Join Us?

• Help build a next-generation AI-native consumer application that combines gaming, virtual companions, and Generative AI into a category-defining product.
• Join a proven founding team with a strong track record of building and scaling successful technology companies.
• Own a critical part of the product and have significant influence over architecture, gameplay systems, AI experiences, and technical strategy.
• Build highly engaging mobile experiences that blend emotional connection, personalization, AI, and modern game design.
• Work at the intersection of mobile engineering, game development, Generative AI, and consumer product design.
• Collaborate with experienced engineers, designers, AI specialists, and product leaders in a fast-moving environment focused on shipping exceptional products.
• Opportunity to grow into a senior technical leadership or founding engineer role as the company scales.
• Remote-first culture with flexibility, autonomy, ownership, and rapid decision-making.

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Application Instructions

Please submit:

• Your résumé/CV highlighting your iOS development and interactive mobile application experience.
• Links to App Store applications, mobile games, portfolio, GitHub, or other relevant work samples.
• Your availability (start date) and expected compensation.
• A brief description of the most engaging consumer mobile application or game you have built, your specific contributions, and any AI-powered features you have implemented.
• Any startup, gaming, Generative AI, or high-growth product experience you'd like to highlight (optional but highly valued).