Sekai
Founding iOS Engineer
San Francisco · Full-time · Posted Jul 10, 2026
About the job
Own and improve Sekai’s iOS app, shipping polished consumer features and helping define AI-native mobile development workflows.
What you'll do
- Own the iOS app’s experience, quality, and release velocity; build reliable, polished consumer-facing features.
- Work across native iOS, hybrid mobile, and web-based app experiences, partnering with product, design, backend, and mobile teams.
- Use AI development tools to accelerate coding, debugging, refactoring, and product iteration.
What they ask for
- Strong professional experience building and shipping iOS apps.
- Deep familiarity with Swift, iOS SDK, and modern iOS development practices.
- Experience with consumer mobile apps emphasizing UX, performance, and reliability.
- Experience owning projects end-to-end in a startup, 0-to-1 product environment, or similarly fast-moving team; active use of AI tools is also expected.
Nice to have
- Experience with social, entertainment, creator, gaming, UGC, or feed-based consumer products.
- Experience with React Native, Flutter, WebView, Android, backend systems, or full-stack product development.
Tools
Swift, iOS SDK, React Native, Flutter, WebView
AI focus
Use AI tools to speed up engineering work and help define an AI-native mobile development workflow; the company builds an AI-driven consumer platform.
Model-written summary · the original posting is authoritative