UI Engineer

Job Description:

Department Overview

Rakuten Group, Inc. is one of the leading e-commerce companies in the world. Our mission is to empower people and society through the internet while aiming at becoming a Global Innovation Company.

Rakuten Group, Inc. has more than 70 businesses worldwide spanning e-commerce, digital content, communications and fin-tech, bringing together more than 1.2 billion members across the world. We have a diversified workforce made up of talented employees from more than 70 countries and regions.

For this position, we are looking for a frontend engineer to build internal and external-facing cloud portals, integrating various services that are used worldwide. Through the combination of open-source software and custom development, our mission is to aggregate our platforms through a unified user experience and seamless cross-use to accelerate services to go-to market.

Position Details

- Develop user interfaces for internal and external cloud portals.

- Develop and integrate services and products into the cloud portals.

- Optimize application for maximum speed and scalability.

- Work with UI/UX designers to ensure technical feasibility of the designs and making them a reality.

- Collaborate with other team members and stakeholders in an empathetic manner.

- Participate in code and design reviews to maintain high development standards.

- Mentor and grow other developers.

Mandatory qualifications:

- You have good knowledge of React, and front-end infrastructure - bundlers (e.g. webpack), storybook, jest, etc.

- You have good knowledge of asynchronous request handling.

- You know how to do performance optimizations and when to do it.

Desired qualifications:

- Experience with state management libraries (e.g. Zustand, Jotai, Redux), react-query and TypeScript.

- Experience with e2e testing (Cypress, Playwright or others).

- Understand cross-browser compatibility issues.

- Experience with container platform (e.g. Docker, Kubernetes).

- Interest in UX design.

- Interest in operational tasks (e.g. devops, SRE).

- Experience setting up and configuring CI/CD pipelines (e.g. Jenkins, CircleCI).

- Experience working with micro-frontends.

- Experience working with monorepos (e.g. NX, Lerna).

Language requirements

English Requirement: Business Level

Japanese Requirement: Not Required

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