Mobile Engineer

2 weeks ago

San Francisco, CA, United States AGI Full time
Think Different. Build the Future.

Our Mission

Build everyday AGI. Trustworthy, consumer-grade agents that redefine human-AI collaboration for millions. Software shouldn't wait for commands; it should partner with you, amplifying what you can do every single day.

Why AGI, Inc.

We're a stealth team of elite ex-founders, Stanford and Berkeley AI researchers, and DeepMind alumni.

With years of agent research, our platform runs live agent workflows with 99.9% reliability. We are supported by tier-1 investors who funded the first wave of AI giants; now they're backing us to deliver the next, everyday AGI.

If you see possibility where others see limits, read on.

About the Role

You'll be one of the first engineers defining the mobile experience for our futureshaping AI agents. As a Full Stack Mobile Engineer, you'll design, build, and scale crossplatform apps-delivering responsive, intuitive interfaces deeply integrated with our AGI backend. Your work will directly shape how millions interact with their AI companion, ensuring smooth user journeys from UI components through API layers and real-time data flows.

Key Responsibilities
  • Architect and implement crossplatform mobile apps (iOS/Android) using React Native delivering polished, nativefeel experiences.
  • Integrate intelligent agent features-like contextual summarization, proactive suggestions, and natural language interactions-into the mobile UI via realtime APIs.
  • Build secure, scalable backend endpoints (Node.js/Python) to support mobile data sync, offline-first behavior, and real-time updates.
  • Optimize performance by diagnosing and removing bottlenecks-from render cycles to data throughput.
  • Collaborate closely with designers, AI researchers, and backend engineers through agile processes, including code reviews, pair programming, and sprint planning.
  • Deploy, maintain, and monitor mobile apps in App Store and Play Store, ensuring CI/CD, testing, crash reporting, and analytics are in place.
You Bring
  • Experience: 3+ years in fullstack mobile development, with strong expertise in React Native and Expo
  • Technical Skills: Proficiency in TypeScript , mobile UI frameworks, REST APIs, and backend services (Node.js, Python).
  • System Design: Experience building offline-capable mobile apps, managing data sync, authentication, and real-time updates.
  • Performance Mindset: Proven ability to diagnose and resolve UI and data-layer bottlenecks; familiarity with profiling tools.
  • AI Familiarity: Comfort integrating AI modules or agent-powered features on mobile; ability to consume LLM-based APIs seamlessly.
  • Collaboration: A proactive teammate and excellent communicator, comfortable navigating a fast-paced startup environment.
Must Haves
  • 3+ years in fullstack mobile development, with strong expertise in React Native and Expo
  • Skills in working with TypeScript
  • Experience with Redux, Context API, or other state management solutions.
  • Familiarity with RESTful APIs and third-party integrations.
  • Understanding of mobile UI/UX principles and best practices.
  • Experience with automated testing and debugging tools.
  • Have deployed mobile apps to production
  • Understanding of the mobile system architecture and life cycles
  • Have understanding using libraries like Zustand and React Query
Nice to Haves
  • Knowledge of native development (Swift for iOS) is a plus.
  • Have worked on apps with more than 1M monthly users
  • Have experience working with integration AI frameworks like (OpenAI SDK, Langchain, Vercel AI SDK, or similar LLM API frameworks)


Our Culture

All in, in person. Work moves faster face-to-face.
Ship by default. Novel and polished can coexist-speed is the feature.
One band, one sound. Radical candor, zero politics, help each other win.

Our perks

Fully covered medical, dental, and vision insurance for employees.

Relocation and immigration support.

How to Apply

Send us:
  1. A link-or 60-sec video-of something you built and why it matters.
  2. Your resume or LinkedIn.
  3. Two sentences on the hardest problem you've cracked.

Every exceptional candidate hears back within 48 hours.

We can't wait to see what you've got-and to welcome you to the AGI Inc. team

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