Scoville logo
Scoville

Experienced Mobile Application Engineer

Salary
800万 - 1200万
Location
Tokyo
Remote
On-site / hybrid
Visa
Sponsorship available
Language
Japanese: Business Level / English: Business Level
Posted
Jan 29, 2026
Ruby
Javascript
React
Typescript
Rails
Apply now

Review the role details and submit your application.

Apply Now
Scoville office view

Gallery

Office environment
Team culture
Workspace
Company culture

Overview

At Scoville

At Scoville, we integrate strategy, design and technical development to create products and services that delight our audiences. We are hiring an experienced Mobile Application Developer to lead the development of a B2C mobile application supporting students' club activities in universities across Japan.

Responsibilities

  • Build & Ship: Build, ship, and maintain cross-platform mobile features for iOS and Android using React Native.
  • End-to-End Ownership: Own features from discovery and technical design through implementation, testing, release, and monitoring.
  • Architectural Integrity: Implement clean, testable architecture and maintain high code quality through rigorous reviews and documentation.
  • Data & APIs: Integrate with GraphQL APIs and handle data persistence, offline caching, deep links, and background tasks.
  • Quality Assurance: Write automated tests (unit, integration, UI) and contribute to CI/CD pipelines and release processes.
  • Platform Support: Support App Store and Google Play submissions, manage release notes, and rollout strategies.
  • What We Can Expect from You
  • Mobile Expertise: Professional experience building and shipping production mobile apps with React Native.
  • Technical Mastery: Expert understanding of JavaScript, TypeScript, and modern CSS (ideally Tailwind).
  • Integration Skills: Strong experience with GraphQL, WebSockets, and mobile data persistence (e.g., SQLite, Realm).
  • DevOps Knowledge: Familiarity with release tooling and app store processes (App Store Connect, Google Play Console, Firebase, GitHub Actions).
  • Security Mindset: Knowledge of secure storage and mobile security practices (OWASP MASVS).
  • Language: Fluency in either English or Japanese, with at least conversational proficiency in the other.
  • Bonus Points
  • Meaningful experience with functional backend languages like Elixir or Ruby on Rails.
  • Experience with AWS Services, Firebase, and Postgres database development.
  • What You Can Expect from Us
  • Compensation: ¥8.0 - 12.0 million/year (negotiable based on experience).
  • Time Off: 20+ paid days off per year.
  • Flexibility: Flexible work hours and the opportunity to work remotely.
  • Team: An international team of talented creators in a collaborative environment.
  • Support: Visa sponsorship (available after a 6-month trial period), social/health insurance, and commuting subsidy.

Quick Facts

CompanyScoville
LocationTokyo
Salary800万 - 1200万
RemoteOn-site / hybrid
VisaAvailable
LanguageJapanese: Business Level / English: Business Level
Interested in this role?

Submit your application for this role at Scoville.

Apply Now