Job Description: Business Overview The Technology Platforms Division (TPD) is responsible for building and operating the infrastructure and ecosystem platforms which power the Rakuten Group. Our mission is to provide our Rakuten Cloud and Ecosystem Platforms which will deliver Core Value to accelerate the growth of Rakuten Group services. Department Overview Marketing Cloud Platform Department (MCPD)’s mission is to lead Rakuten’s marketing related products strategy, execute product development and implementation. We empower Rakuten internal marketing teams by building engaging, respectful, and cost-efficient marketing platforms that put our customer at the center. Our main advantage comes from our ability to leverage the Rakuten Ecosystem. We provide marketing solutions such as marketing campaign management, multichannel communication and personalization. As a 150+ experts across Japan, India and Singapore, we are proud to be a technology organization and we share our knowledge across the Rakuten Tech community. The Communication Platform Section is seeking talented individuals to join our innovative team. We are a critical service within Rakuten that provides advanced robust and reliable communication solutions to Rakuten businesses. Our products are responsible for dispatching over 5 billion messages each month through channels such as email, push notifications, and interactive mobile experiences. Additionally, we specialize in the development of SDKs to empower developers to onboard our products with ease. This massive communication flow that we maintain plays an indispensable role in the smooth functioning of our client services. This is an exciting and unique opportunity for individuals who are passionate about communication technology and want to be a part of a team that is at the forefront of this industry. Come and join us in this transformative journey. Position: Why We Hire We are looking for passionate, hard-working, and talented software engineers who have experience in building distributed systems and practical applications in Communication Platform services. In this role, you will be involved in design, develop and operate our system which contains campaign management, contents management, segmentation, personalization, marketing automation, scheduling, message delivery, and measurement/analysis features. Position Details - Design, develop, test and operate our services inside our Communication Platform. - Investigate design approaches, evaluate the technical feasibility, and deliver top-quality experiences. - Implement innovative features to continue improving current systems. - Create elegant architectures for performance, availability, reliability, and scalability. - Write clean, maintainable code and performing peer code-reviews. - Troubleshoot production incident and provide countermeasure. Mandatory Qualifications: - Bachelor's degree in Computer Science or related technical field, or equivalent practical experience. - 8+ years of experience in software development. - Proficiency in Java and Kotlin programming language. - Knowledge of cloud computing (AWS, GCP, Azure). - Good communication and interpersonal skills. Desired Qualifications: - Knowledge of Unix/Linux environments. - Knowledge of CI/CD pipeline by Jenkins, Docker, and k8s. - Knowledge of test automation (Karate, BDD, Cucumber). - Knowledge of distributed systems and microservices architecture. - Knowledge in Email industry is a plus. - Knowledge of Mail Transfer Agent (MTA) services is a plus. - Knowledge of front-end development such as Angular and React is a plus. - Working with mission critical services is a plus. - Strong ownership and desire to mentor other engineers. - Language: English business level, Japanese is a plus. #engineer #applicationsengineer #technologyplatformdiv 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) / 募集要項(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