Job Description:

Business Overview

Rakuten Group, Inc. is a global innovation leader, connecting over 1.8 billion users worldwide (2023 statistics). We empower individuals and communities through a diverse ecosystem of over 70 services spanning e-commerce, fintech, digital content, and more.

Rakuten Payment, Inc. a core component of the Rakuten Group, Inc. is driving the future of cashless payments. Rakuten Pay Online is a vital service that enables e-commerce businesses to thrive and enhances the shopping experience for consumers.

We foster a vibrant and inclusive environment where diverse perspectives are valued, and collaboration fuels innovation. We encourage our team members to challenge the status quo and embrace new possibilities.

Department Overview

Key Features and Strengths

We are building the powerful "Rakuten Ecosystem" by leveraging the strength of "Rakuten Points," which has surpassed 3 trillion yen in total issuance. This includes seamless service integration with other Rakuten Group companies and the accelerating adoption of our cashless payment services in physical stores. Our payment solutions are accepted at approximately 5 million online and offline locations across Japan, including major retailers like supermarkets, convenience stores, and shopping malls, as well as approximately 1 million transportation e-money locations. And our network continues to grow rapidly. 
 

Position:

Why We Hire

Rakuten Pay Online Checkout (https://checkout.rakuten.co.jp) is one of the largest web-based ID payment services in Japan, used by over 9,000 EC merchants nationwide. As a key pillar of the Rakuten Group's growth strategy, payment services are essential, and Rakuten Pay Online Checkout aims for further growth as a core service responsible for the EC domain. With business expansion, not only is new feature development necessary, but also the streamlining and stabilization of existing systems, and rapid response to global security standards (such as PCI DSS). Therefore, we are seeking an engineer who can take responsibility and work proactively.

Lead Rakuten Pay Online Payments to the next stage with your experience and passion.

Position Details

Job Responsibilities

In the system, we utilize technical elements that align with the specified requirements. You will be handling a system that experiences access at a scale of several hundred queries per second (QPS), considering not only the load conditions of our system but also external system integrations such as platform IDs, company-wide initiatives, legal compliance, and more.

Depending on your skill level, you will be entrusted with modifications and additions of new features to the Rakuten Pay Online System. In the future, you may be responsible for the entire process from technical investigation to design, development, and operation. There will be opportunities for you to be involved in technology selection and the introduction of new technologies. You will not only focus on consumer-oriented aspects but also be involved in systems for stores and internal administrators, allowing you to accumulate experience in various areas.

As a middle engineer joining the development team, we seek your expertise in developing high-performance, highly available systems. We are constantly improving project direction and development methods, so if you have any previous experiences or ideas, you are welcome to propose them as we advance the project.

Assigned Systems:

- Consumer-oriented payment steps

- Various API services for store owners

- Management system and backend system for store owners

- Large-scale payment data aggregation system

- Application system for new store registrations

In the company, you will gain experience and work towards becoming a senior engineer after joining. Depending on your preferences and skills, there is also a career plan available to move toward the role of Project Manager，Team Manager or Engineer Leader.

We welcome applications from those who are eager to take on challenges at Rakuten, especially from those interested in venturing into the realm of cashless payments. We look forward to receiving your applications.

Position Responsibilities

- Design and develop systems with high confidentiality, availability, and maintainability

- Analyze the effectiveness and propose improvements after project releases

- Conduct necessary reviews in quality assurance

- Identify issues, propose solutions, and contribute to improvements for stable operation

- Mentor and support the development of junior team members

- Support operations for 24/7 service availability

Mandatory Qualifications:

- Over 3 years of practical experience in web application development using Java

- Basic knowledge of Linux/Unix systems

- Over 1 year of practical experience in application development using SQL

- Over 2 years of experience in developing web applications for consumers

- Excellent communication skills to facilitate smooth communication with team members and build trust

- Capable of making judgments and proposals based on the given situation

- Proactive and capable of independent thinking and activity

Desired Qualifications:

- Operational experience with Apache and Tomcat

- Experience using Struts and Spring framework

- Development experience with web UI using HTML, CSS, and Javascript

- Experience using Public cloud, Kubernetes, and Docker

- Development experience using Git, Jenkins, and Maven

- Knowledge or interest in payment and financial domains

Additional information on Location

NBF Shinagawa Tower
 

Additional information on Secondment

This position will be hired by Rakuten Group, Inc. and seconded to Rakuten Payment, Inc.

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