Cross-Platform Engineer (React Native/Electron)

What You Will Do

This is a hands-on technical role, day to day activities include:

• Propose solutions as a technology specialist in a small product team to maximise user experience and business outcomes.
• Deliver working native applications for iOS, Android, macOS, and Windows from a single, white-labeled codebase.
• Work within our pnpm/Turborepo monorepo to build and maintain applications, shared packages, and tooling.
• Integrate and manage WebViews as a core part of the application, building the communication layer between the native shell and web content.

What We Can Expect from You

• English language proficiency.
• Hold a degree in Computer Science or equivalent experience.
• 5+ years of recent commercial programming with a strong emphasis on delivering cross-platform mobile and desktop solutions.
• Expert understanding of React Native, React, Electron.js, and their ecosystems.
• Proven experience working in a monorepo (we use pnpm and Turborepo).
• Experience developing and maintaining white-label applications (managing multiple variants from a single codebase).
• Experience with Runtime-agnostic code that can safely be imported by either the Electron or React Native version of the noman app.
• Experience with Expo modules (even in a bare React Native workflow).
• Deep understanding of WebView integrations and building communication layers between the native shell and web content.
• Strong experience with JavaScript and TypeScript, and modern styling approaches.
• Experience with native build tools (Xcode, Android Studio/Gradle) for debugging and release management.
• Experience with Containerization (we use Docker).
• Status of residence:
  • For those in Japan: must have a working visa valid for more than six months
  • For those outside of Japan: remote contract work is available until a visa can be prepared

Bonus Points

• Japanese language proficiency (strongly preferred).
• Familiarity with advanced pnpm features like overrides and patching dependencies (using pnpm patch).
• Experience implementing cross-platform error monitoring (e.g., Sentry for both React Native and Electron).
• Experience with AWS Services (we use many different AWS Services).
• Experience working with UX Designers & exposure to tools such as Figma.
• Experience with type-safe validation libraries (e.g., Zod).
• Familiarity with modern code quality and formatting toolchains (ESLint, Prettier).
• Experience writing native modules for Electron or Node.js.

What You Can Expect from Us

• ¥10.0 - 14.0 million/year (negotiable based on experience).
• 20+ paid days off per year.
• Flexible work hours, opportunity to work remotely.
• Social and health insurance.
• Commuting subsidy and work equipment provided.
• An international team of talented and engaged creators who will value your input.
• Visa sponsorship (after 6-month trial period).