Senior Front-end Engineer

Tokyo
Partial Remote
Full-time
April 1, 2025

Department Overview

The responsibility of BSS Development Department (BSDD) is system development of B2C BSS systems and making sure of requirements from executive and business team.

Position Overview:

We are seeking a skilled React Developer with expertise in React Native to join our dynamic team. The ideal candidate should have a solid background in building scalable applications and a passion for crafting high-quality software solutions. This role offers an opportunity to work on challenging projects and collaborate with talented teams to deliver exceptional user experiences.

Responsibilities:

Develop new user-facing features using React.js and React Native.
Build reusable components and front-end libraries for future use.
Translate designs and wireframes into high-quality code.
Optimize components for maximum performance across a vast array of web-capable devices and browsers.
Collaborate with cross-functional teams to define, design, and ship new features.
Work closely with Product Managers and UI/UX Designers to implement versatile front-end solutions.
Advocate for best practices in front-end development and mentor junior developers.

Mandatory Qualifications:

8-10 years of professional experience in front-end development.
Strong proficiency in JavaScript and TypeScript.
Extensive experience with React.js and its core principles.
Prior experience with React Native for mobile application development.
Familiarity with RESTful APIs and modern authorization mechanisms.
Experience with state management libraries such as Redux or MobX.
Knowledge of modern authorization mechanisms, such as JSON Web Token.
Familiarity with code versioning tools such as Git.
Excellent problem-solving skills and ability to troubleshoot complex issues.
Bachelor's degree in Computer Science or a related field (or equivalent work experience).

Desired Qualifications:

Experience with GraphQL.
Japanese Language Proficiency :- Business level is Good to have
Familiarity with server-side languages such as Node.js.
Understanding of Agile methodologies.
Contributions to open-source projects or active GitHub profile.

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About Rakuten

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