Application Engineer - Payment System Department, System Operations Division, Rakuten Card Co., Ltd. (Secondment)
Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 4, 2026.
Job Description:
Business Overview
Credit cards, electronic money, and web/app-based payment systems have become an inseparable part of our lives. Rakuten Card boasts over 30 million cards issued and has achieved the No.1 credit card shopping transaction volume in Japan (based on self-issued cards)*1. Even as an industry leader, we continue to grow without slowing down, aiming for the ambitious goal of "Triple 3" (30 million credit cards issued, 30 trillion yen in shopping transaction volume, and 30% market share in the card industry).
Department Overview
The Payment System Department is the core division supporting Rakuten Group's payment infrastructure, responsible for the design, development, and operation of Payment Service Provider systems.
We provide diverse payment methods to merchants-including credit card payments, convenience store payments, carrier billing, and deferred payments-ultimately supporting systems used by tens of millions of end users in their daily shopping experiences.
By leveraging cutting-edge technologies and engaging with services from the very top stream, our engineers gain invaluable experience and constant intellectual stimulation.
Position:
Why We Hire
Rakuten Card boasts a diverse portfolio of projects spanning a range of services. We are currently seeking Application Engineer (Java) who can effectively proceed with these projects and lead them to success.
This is an advantageous position where you can contribute to Rakuten Card’s diverse operations, Japan's leading credit card company. We are eager to collaborate with individuals who can leverage their experience to build the next future of Rakuten Group's FinTech business in new and exciting domains.
Position Details
- Develop and maintain Java applications, leveraging various Java frameworks and ORM technologies
- Database SQL knowledge and DB performance insight Business Requirement definition (which is a kind of BA role)
- Documentation of the system development life cycle phases (Functional/TechnicalSpecification)
- Coding
- Creating Test Case and Execute Test (Unit, Integration, Performance, Penetration Test, non-regression)
- UAT Test Support Documentation for all system development phases
- Web-based applications and services using web tools and technologies Human resource estimation and schedule planning for each task
Mandatory Qualifications:
- Develop and maintain Java applications, leveraging various Java frameworks and ORM technologies
- Database SQL knowledge and DB performance insight Business Requirement definition (which is a kind of BA role)
- Documentation of the system development life cycle phases (Functional/TechnicalSpecification)
- Creating Test Case and Execute Test (Unit, Integration, Performance, Penetration Test, non-regression)
- UAT Test Support Documentation for all system development phases
- History of successful product delivery
Desired Qualifications:
- Excellent analytical and problem-solving skills including high degree of attention to detail and accuracy In-depth understanding of Object Oriented and SOA design concepts
- Knowledge on Data visualization tools is a plus (such as Tableau...)
- Positive and corroborative attitude to find out business requirements
- Innovative and flexible people full of energy
- Friendly team player with a professional mindset
- Those who can think for themselves and take actions
- Willing to work in a dynamic, multicultural and global environment where multilingual skills are a big asset
- Ambitious to grow as an individual within the company
- Passionate about working in a global company which wants to make a difference by empowering society
Others Information:
Additional information on Location
Tokyo (Rakuten Crimson House Aoyama), Fukuoka Office (Hakata)
Additional information on Secondment
You will be employed by Rakuten Group, Inc. and seconded to Rakuten Card Co., Ltd.
*For more details, please refer to the following pages.
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Languages:
English (Overall - 3 - Advanced), Japanese (Overall - 2 - Intermediate)