系统工程师/应用工程师（乐天移动法人业务系统开发）

Job Description: Business Overview The Group Sales Division leads branding, creative, marketing, and membership initiatives as a cross-group organization, with the mission of expanding the membership value and ecosystem of the Rakuten Group, which encompasses over 70 services. We consider the mobile domain to be a foundational platform for our ecosystem, and as the Group Sales Division, we are further promoting collaboration with Rakuten Mobile. Department Overview Within the organization that develops mobile services for corporate clients, we serve as the sole technical specialist group responsible for the planning, development, maintenance, and vendor management of internal and external systems. We are not merely an engineering organization, but "business partners" who build system strategies based on a deep understanding of the business. We offer an environment where you can take on challenges as a core member of our business expansion, aiming to become the No.1 carrier. The System Development Group performs a wide range of tasks, including system development and maintenance, to support Rakuten Mobile's corporate business. It is a rewarding role where you will plan and develop systems to ensure business is executed efficiently while complying with laws, regulations, and rules, and implement them in the field. Position: Why We Hire As the number of mobile lines for Rakuten Mobile increases, the acquisition of contracts for corporate mobile lines and solutions-which are core to Rakuten Mobile-has come to play an increasingly important role. We are looking for a System Engineer/Application Engineer to handle system development, maintenance, and other operational tasks that support this corporate business. Position Details As a System Engineer, you will lead projects from requirements definition to system design, software development, acceptance testing, and troubleshooting. Vendor management skills are also one of the important skills required in each process. There are many cross-functional activities within the company, and this role is ideal for those who want to drive entire projects forward through their own initiative. ・Development and maintenance of external systems: SIM management systems for MVNE/MVNO. ・Development and maintenance of billing and payment systems: Billing and payment systems for MVNE/MVNO. ・Management tasks: Outsourcing management for system registration/changes of customer information, billing, and dunning. Outsourcing management for system development, maintenance, and operations. ・Others: Development and maintenance of internal systems. Basically, you will be expected to work from the office and communicate in person. However, working from home is available up to once a week. Flexible working hours are also available, allowing you to work in a way that suits your lifestyle. Except for some internal meetings and communication with Tech teams, work is primarily conducted in Japanese. Work Environment The group consists of members in their 20s to 50s, and it is a team with easy communication where each member leverages their specialized knowledge and expertise. All members of Corporate Business Promotion Section 2 joined the company as mid-career hires. Additionally, over 80% have transitioned from outside the telecommunications industry, so you can thrive even if you are new to the industry. Tools and languages used: KINTONE, Seikyu Kanri Robo, Google Cloud, etc. Main development environment: OS: Linux, Languages: PHP/Python/JavaScript, DB: MySQL Mandatory Qualifications: ・3+ years of experience in Web application development and maintenance. Experience in server and network construction in the cloud. ・3+ years of work experience at a Japanese company. ・Japanese proficiency: Native (or JLPT N1 or higher for non-Japanese nationals). ・Mindset: Ability to take on challenges, a positive attitude even in difficult situations, and an ability to enjoy change. ・English proficiency: TOEIC 600 or higher (or equivalent qualification). Desired Qualifications: ・Certification: Fundamental Information Technology Engineer Examination. ・English proficiency: Business level. ・Experience: Knowledge of MVNO/MVNE business. Other Information: Additional information on Location Tokyo (Futako Tamagawa Rise Office) Additional information on Transfer Yes *There is a possibility of domestic and international business trips and transfers. #engineer #applicationsengineer #groupsalesdiv #RakutenMobile In Japanese, Rakuten stands for ‘optimism.’ It means we believe in the future. It’s an understanding that, with the right mind-set, we can make the future better by what we do today. So we challenge ourselves to evolve, innovate and experiment, to create a better, brighter future for everyone. Today, our 70+ businesses span e-commerce, digital content, communications and fintech, bringing the joy of discovery to almost 1.3 billion members across the world. If you have any trouble logging in, please contact us here Rakuten Group, Inc.: rakuten-recruiting-info@mail.rakuten.com *Please read the Application Requirements(EN) / 募集要é (JP) before applying. Our Diversity & Inclusion Policy and Application Documents Rakuten’s corporate mission is to “contribute to society by creating value through innovation and entrepreneurship.” We foster a culture that provides equal opportunities to those who share this founding philosophy and take on the challenge to transform society, regardless of age, gender, nationality, or any other status. Diversity is one of Rakuten's core strategies and a driving force for innovation. Because of this, you are not required to submit any of the following information in order to apply for our job positions. - Gender - Age - Photo - Nationality* - Information not related to business, such as ideological beliefs, family structure, etc. * For legal compliance, we may ask you about your work eligibility. See the details