Software Engineer - E-money System Development Department, Rakuten Edy, Inc. (Secondment)

Job Description Business Overview Rakuten Group's basic management philosophy is to "empower people and society through innovation". We provide more than 70 diverse services, including EC services such as shopping malls and travel booking sites, financial services such as online banking, and media services and professional sports, to more than 100 million customers in Japan alone (more than 2 billion globally), covering a wide range of people's life scenes. At the same time, we are building a strong business model based on the "Rakuten Ecosystem" that organically links customers and various services. As a member of the Rakuten Group's FinTech Group Company, we at Rakuten Payment, Inc. are developing businesses centered on settlement services such as Rakuten Pay, Rakuten Edy, and Point Partner Business, as well as marketing solutions. With the power of technology, we aim to create a world where anyone can enjoy the same value no matter where they are. As the digital sphere of society rapidly expands, we want to connect the Internet and the real world more seamlessly, so that everyone can use technology to lead a safe, secure, and more comfortable daily life. In order to achieve such a society, we would like to face the various problems that people are facing and move forward together to the next stage. Department Overview With the strength of the Rakuten Point market, which has surpassed 5 trillion yen in total issuance, we are building the "Rakuten Economic Circle" through service collaboration with Rakuten Group companies and the introduction of cashless settlement services in real stores, which are growing at an accelerated pace. Our settlement services can be used at approximately 6 million online and offline locations, including supermarkets, convenience stores, and shopping malls nationwide, as well as at approximately 1 million locations where traffic-related e-money can be used, and the number of locations where this service can be used is continuing to expand. This System Division handles everything from system service planning related to payment services, planning and implementation related to UI/UX, basic and detailed system design, coding, testing, and operation. As the service expands, you will be able to experience the planning, development, and operation of a very large-scale system. In addition, you will be able to improve our services by directly listening to the voices of our customers. You will be in charge of development and maintenance of an electronic money service called Rakuten Cash, which is used in various situations such as the Rakuten Pay app and Rakuten Ichiba. It is a position that requires a wide range of excellent Skills Such As Service Level, Performance Requirements, Quality Requirements, large-capacity data manipulation and other system linkage, understanding the complicated and difficult business logic peculiar to financial services. You can make a solid leap as an application engineer. Especially, those who are motivated and can improve their skills to engineer leaders. In addition, there are career paths that specialize in technology as specialists such as architects, or career paths as managers such as project leaders. Position Position Details ・ Design and development of business logic such as API and batch processing ・ Design and development of business flow / business screen, etc. ・ System maintenance and operation ・ Leading the engineer organization ・ Rakuten's many platforms and infrastructure-related application windows ・ Formulation of technical guidelines, technical reviews, training of next-generation engineers (as an engineer leader) ・ Finding issues and promoting improvement activities in the team Work Environment ・ The age of the people in the organization is about 20s and 40s. ・ Employee Background: There are many people who have experience in developing Web services and business systems. ・ Development Environment: Linux, MySQL Java, PHP Docker K8s, Google Air Flow Mandatory Q