Jobs · Engineering · California

Founding Engineer (+ Equity) at Sekai

Jack & Jill · San Francisco, CA · 2 days ago
On-siteEngineering$30/hrFull-time

Job Description

As a Founding Engineer at Sekai, you will build and define our native Android foundation from the ground up. You will architect the mobile platform that enables creators to instantly turn AI-powered ideas into interactive, playable experiences. This high-impact role involves designing core navigation, lifecycle management, and seamless hybrid integrations for millions of users.

Why this role is remarkable

  • Founding-level ownership at an AI-native startup backed by top-tier investors including Khosla Ventures, a16z, Mayfield, and A*.
  • Build the first platform where interactive content moves at the speed of social media, reaching over 1M creators and players.
  • Directly shape the technical architecture and product vision alongside a world-class team of engineers from Google and ETHDenver.

What You Will Do

  • Architect and build the native Android experience, including app shell architecture, navigation, and core lifecycle management.
  • Implement complex hybrid integrations between native Kotlin and React Native, Flutter, or WebView-based interactive experiences.
  • Partner with AI and design teams to ship high-performance, polished consumer features that drive engagement for millions of users.

Requirements

  • Has 5+ years of professional Android engineering experience with deep expertise in Kotlin and the Android SDK.
  • Demonstrates a proven track record of shipping consumer-facing mobile apps and building technical platforms from 0 to 1.
  • Possesses experience integrating hybrid frameworks like React Native or Flutter into native Android environments within high-growth startups.

Qualifications

  • Strong problem-solving skills and ability to work independently and collaboratively.
  • Experience with version control systems such as Git.
  • Knowledge of cloud services and serverless architectures.
  • Excellent communication and interpersonal skills.

Skills

  • Proficiency in Kotlin and the Android SDK.
  • Experience with React Native, Flutter, or other hybrid frameworks.
  • Understanding of machine learning and AI concepts.
  • Experience with data analytics and performance optimization.

Benefits

  • Competitive salary and equity package.
  • Flexible work schedule.
  • Health insurance and retirement benefits.
  • Work-life balance and remote work options.

Pay

Not disclosed.

Schedule

Full-time.

Benefits

  • Health insurance and retirement benefits.
  • Work-life balance and remote work options.

About the role

This is a Founding Engineer position at Sekai, a San Francisco-based company backed by Khosla Ventures, a16z, and Mayfield. Sekai leverages AI to enable creators to turn ideas into playable interactive experiences instantly, reaching over 1M users with a team of AI-native experts from Google and ETHDenver.

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Disclaimer

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