Software Engineer, React Native - US App

Mercari, founded in 2013, is seeking a Senior Software Engineer specializing in React Native for their US App team. The role is based in Tokyo, Japan, with a hybrid work arrangement. The company operates a marketplace app with a mission to circulate all forms of value and unleash potential in all people.

The position requires expertise in mobile development using React Native, TypeScript, and Redux, with a focus on building user-facing features and maintaining high-performance standards. The tech stack includes React Navigation, MMKV, and comprehensive testing tools. The role demands strong engineering principles including Passion For The Product, Grow Together, Solve Through Mechanisms, and Collaborate Openly.

Key responsibilities include developing features, optimizing performance, maintaining CI pipelines, and promoting best practices in mobile development. The ideal candidate will have 5+ years of software engineering experience, strong TypeScript skills, and experience with REST APIs and CI/CD processes. Knowledge of native Android and iOS APIs is preferred.

Working in a multicultural environment, you'll contribute to Mercari's global success, particularly in the US market. The company offers a flexible work schedule with no core hours and emphasizes inclusion and diversity. This is an opportunity to join a fast-paced, startup-style environment while working on a significant e-commerce platform that connects people worldwide.