Mobile App Developer

3 weeks ago

San Francisco CA, United States AGI, Inc. Full time

Join us as a Mobile Engineer at AGI, Inc. In this role you'll help build the future of AI agents.
Considering making an application for this job Check all the details in this job description, and then click on Apply.
Trustworthy, consumer‑grade agents that redefine human–AI collaboration for millions. We aim to create seamless integration of AI into everyday life.
You’ll be one of the first engineers defining the mobile experience for our future‑shaping AI agents. As a Full Stack Mobile Engineer, you’ll design, build, and scale cross‑platform apps—delivering responsive, intuitive interfaces deeply integrated with our AGI backend.
Architect and implement cross‑platform mobile apps (iOS/Android) using React Native delivering polished, native‑feel experiences.
Integrate intelligent agent features—contextual summarization, proactive suggestions, natural language interactions—into the mobile UI via real‑time 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 the App Store and Play Store, ensuring CI/CD, testing, crash reporting, and analytics are in place.
3+ years in full‑stack mobile development, strong expertise in React Native and Expo.
~ Proficiency in TypeScript, mobile UI frameworks, REST APIs, and backend services (Node.js, Python).
~ Experience building offline‑capable mobile apps with data sync, authentication, and real‑time updates.
~ Strong performance mindset: ability to diagnose and resolve UI and data‑layer bottlenecks, familiarity with profiling tools.
~ Comfort integrating AI modules or agent‑powered features on mobile; 3+ years in full‑stack mobile development, React Native and Expo.
~ Strong TypeScript skills.
~ Understanding of mobile UI/UX principles and best practices.
~ Experience with automated testing and debugging tools.
~ Have deployed mobile apps to production.
~ Experience using libraries such as Zustand and React Query.

Knowledge of native development (Swift for iOS) is a plus.
Experience building apps with more than 1M monthly users.
Experience working with AI frameworks (OpenAI SDK, LangChain, Vercel AI SDK, etc.).
Ship by default. Radical candor, zero politics, help each other win.
Lunch and snacks at the office.
Fully covered medical, dental, and vision insurance.
Relocation and immigration support.
A link or 60‑second video of something you built and why it matters.
Your resume or LinkedIn profile.

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