Job Description:

Business Overview 

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

Rakuten Ichiba home page:

https://www.rakuten.co.jp/

Department Overview 

As an essential division of Rakuten Commerce Company, we provide a wide variety of external and internal applications for supporting Rakuten Ichiba's business. Currently, we are expanding our service to support many other businesses under Commerce Company.

Examples of Systems to be Developed

- Web service for Ichiba shop open for both Japan and Oversea

- Low-code web form building system

- Merchant information management system

- Business process management system

- Auto-screening system by AI

To improve the backend business process, we are supporting BPM (Business Process Management), and DX (Digital Transformation) for BU with various members (Business Analyst, Product Manager, System Architect, etc.).
Our various services are currently powered by Java, PHP, JavaScript, Spring Boot, Spring Cloud, React, Redux, MySQL, Oracle, Salesforce, Pega, etc. We always encourage adopting new technologies to enhance our services, like Kafka, container-based technologies (Docker, Kubernetes), microservice architecture, AI driven development (Claude Code, Codex), etc.

Our development teams are divided between Tokyo and Osaka. So, you can choose your desired work location.

Position:

Why We Hire 

We are looking for the right people to develop and operate Rakuten’s in-house system (BPM), which includes all operations related to merchant life cycle - from shop open to close. Currently, we are introducing BPM solution to support improvements to productivity. In this activity, we are actively promoting automated development and business process automation leveraging cutting-edge AI technology. This not only streamlines the development process itself but also enables the automation of various routine tasks in store operations and data-driven decision-making support, aiming to provide more valuable services to both customers and employees.

You will be able to acquire business analysis skills, system integration skills, management skill and AI skills such as designing and implementing automation and optimization utilizing AI through projects involving a wide variety of departments and businesses. Additionally, you will receive direct feedback from business users in order to respond to and support the business development of Rakuten Ichiba. It is an important and rewarding role in which you can see your products and projects improve constantly.

Position Details 

After onboarding with Rakuten, you will join the development team as a software engineer and be able to choose your career path going forward according to your preferences, considering the balance between technical needs and management.

Responsibilities

- Design, develop, and operate our systems, all from our customers' perspectives

- Acquire an accurate understanding of business needs and translate them into optimal specifications and architectures

- Code quality: Being passionate about code quality, conducting thorough code reviews, and implementing excellent coding standards, practices, and tools.
- Be the technical and quality leader of the other self-moving engineers on the team

- Plan and execute projects together with the other team engineers and product/project managers

- Consider the future of our services and continue to improve them

- Leverage cutting-edge AI technology to enhance development productivity and operational productivity

Mandatory Qualifications: 

- Over 5 years of experience in Java web application development (design, development, testing, release, and operation)
- Experience in database design and implementing applications considering system integration

- High Level System Architecture Design Experience

- Experience in project leadership and management as an engineer, including negotiations with users and vendors

- Good communication skills in Japanese with both verbal and written

Desired Qualifications: 

- Experience in AI-Driven development (Claude Code, Codex)

- Experience in developing or maintenance of BPM systems

- Understanding of infrastructure such as DB, web servers, and network

- Experience in the operation/tuning of web applications and knowledge of security
- Automation of deployments, tests and releases using tools, such as Jenkins
- Process management and documentation using tools, such as JIRA, Confluence

Other Information: 

Additional information on Location 

Tokyo or Osaka

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