Application Engineer - Payment System Department, System Operations Division, Rakuten Card Co., Ltd. (Secondment)
Rakuten2 months ago
Tokyo, JapanMid Level
Responsibilities
- Develop and maintain Java applications using Java frameworks and ORM technologies.
- Work with SQL databases and apply database performance insight.
- Define business requirements and support business analysis activities.
- Document functional and technical specifications across system development life-cycle phases.
- Write code and create and execute unit, integration, performance, penetration, and non-regression tests.
- Support user acceptance testing and prepare system development documentation.
- Develop and maintain web-based applications and services.
- Estimate human resources and plan schedules for individual tasks.
Requirements
- Experience developing and maintaining Java applications with Java frameworks and ORM technologies.
- Knowledge of SQL databases and database performance.
- Experience defining business requirements and documenting functional and technical specifications.
- Experience creating and executing software tests, including unit, integration, performance, penetration, and non-regression testing.
- Experience supporting UAT and documenting system development phases.
- A history of successful product delivery.
- Understanding of object-oriented and SOA design concepts.
- Knowledge of data visualization tools such as Tableau is preferred.
- Strong analytical, problem-solving, attention-to-detail, and accuracy skills.
- Ability to work collaboratively in a dynamic, multicultural, and global environment; multilingual skills are an asset.
Benefits
- Work location is Rakuten Crimson House Aoyama in Tokyo or the Fukuoka Office in Hakata.
- The employee is employed by Rakuten Group, Inc. and seconded to Rakuten Card Co., Ltd.
- Rakuten Group employee benefits are referenced in the posting.
About Rakuten
Rakuten Group builds e-commerce marketplaces, financial services (credit cards, payments, banking, securities), and digital/communications offerings for consumers and merchants worldwide. It monetizes through transaction fees, financial services income, advertising, and mobile subscriptions; flagship businesses include Rakuten Ichiba, Rakuten Card, and Rakuten Mobile. Founded in 1997 and headquartered in Setagaya, Tokyo, the company is publicly listed on the Tokyo Stock Exchange and operates across many countries and regions.