【Work Location】
Rakuten Crimson House

【Position Overview】
This position focuses on building data platforms and conducting data analysis that support the use of AI and machine learning at scale. Through data collection, processing, visualization, and modeling, you will help generate insights that contribute to business and service improvements, while supporting data-driven decision-making.

【Position Details】
・Design, development, and operation of data lakehouses and large-scale data platforms
・Build big data processing workflows and ETL/ELT pipelines, including data cleansing and integration
・Conduct data analysis and develop or improve predictive models using statistical modeling and machine learning
・Collaborate with business units to identify issues and support data-driven decision-making

【Language Proficiency】
Japanese: Not required
English: Business Level

【Coding Test】
Required

【Mandatory Requirements】
・Currently pursuing or holding a degree in Computer Science, Data Science, Statistics, Mathematics, or a related field, or possessing equivalent knowledge
・Basic skills in data processing and analysis using Python and SQL
・Foundational understanding of mathematics and statistics required for data analysis and machine learning, such as linear algebra, probability, and statistics

【Desired Requirements】
・Experience with large-scale data processing platforms such as Spark and Hadoop
・Development experience in cloud environments such as GCP, AWS, or Azure
・Experience using data visualization tools such as Tableau or Power BI
・Experience with machine learning model development, data analysis, or data science through research, internships, or personal projects

【Main Services】
・ Rakuten Group Services

【Work Location】
Rakuten Crimson House

【Position Overview】
This position focuses on research and development in advanced areas such as AI, Natural Language Processing, and FinTech. Through algorithm design, prototype development, academic publications, conference presentations, and patent applications, you will help translate scientific insights into real-world solutions and business impact.

【Position Details】
・Explore and drive research themes in advanced technology domains such as AI, Natural Language Processing, and FinTech
・Design and implement algorithms and prototypes, and evaluate their applicability to real-world challenges
・Share research outcomes internally and externally through conference presentations, academic papers, and patent applications
・Collaborate with engineers, product teams, and business stakeholders to translate research outcomes into services and business opportunities

【Language Proficiency】
Japanese: Not required
English: Business Level

【Coding Test】
Required

【Mandatory Requirements】
・Development experience using at least one programming language such as Python, Java, or TypeScript
・Basic understanding of data structures, algorithms, and computer science fundamentals

【Desired Requirements】
・Experience with conference presentations, academic papers, patent applications, or research projects
・Experience developing applications using REST APIs or microservices
・Experience integrating external services or APIs
・Experience implementing data processing, asynchronous processing, or solutions involving large-scale data
・Knowledge or experience in database design and operations, including SQL or NoSQL databases
・Knowledge or experience with frontend technologies such as React, TypeScript, or Tailwind CSS

【Main Services】
・ Rakuten Group Services

【Work Location】
Rakuten Crimson House

【Position Overview】
The Cloud Platform Supervisory Department (CPSD) develops and manages Rakuten’s state-of-the-art cloud platform, empowering global scalability and accelerating innovation across its diverse business units.

To support one of the largest scale data processing and utilization platforms in Japan, we are looking for members who can help us improve the reliability, scalability, and cost-effectiveness of our large-scale platform.

【Position Details】
＜Data Engineer＞
・ Design, development, and maintenance of Data Platform
・ Design, development, and maintenance of batch processing and streaming processing pipelines
・ Design of database schemas
・ Development and maintenance of DWH
・ Analysis and improvement plan proposals for Data Platform solutions

【Language Proficiency】
Japanese: Not required
English: Business Level

【Coding Test】
Required

【Mandatory Requirements】
One or more of the following skills/knowledge:
・ Programming skills (Java, Python, Scala)
・ Knowledge of the project development lifecycle (Requirement definition, design, development, test, maintenance)
・ Knowledge of Linux
・ Understanding of databases and database languages (SQL, etc.)

【Desired Requirements】
・ Experience with big data storage/processing solutions (Hadoop/Hive/Spark)
・ Basic knowledge of networking
・ Development experience on public clouds (e.g., Google Cloud)
・ Knowledge of DevOps
・ Experience in designing, building, operating, and optimizing Data Warehouses (DWH)
・ ETL development experience
・ Analysis experience with BI tools (DataStudio, Tableau, Domo, etc.)

【Main Services】
・ Rakuten Group Services

【Work Location】
Futako Tamagawa Rise Office

【Position Overview】
The Global Ad Division oversees the entire advertising business for more than 70 services within the Rakuten Group. We manage ad delivery across all Rakuten services and support all traffic. Utilizing Rakuten’s rich data sets, we are one of the most global organizations within Rakuten. You will work with talented members from around the world, handling large-scale data and AI to develop and operate services that support a business exceeding 200 billion yen. This position offers the opportunity to contribute significantly to Rakuten’s business while building an international career. It is extremely rare for new graduates to have the opportunity to work on projects of this scale. This role offers a unique opportunity to grow into one of two career tracks: Product Manager or Project Manager. At the start, you will take on responsibilities from both areas, allowing you to develop a well-rounded skill set for shaping innovative user experiences and driving operational success.

【Position Details】
In this position, you will analyze issues and user needs to deliver new experiences while executing solutions through effective project management. By leveraging data-driven insights, you will thoughtfully evaluate ideal products and user requirements. You will collaborate with business stakeholders, engineers, and QA to manage the entire process from requirements definition to development and release. You will have the opportunity to take ownership of multiple initiatives by participating in ongoing projects and leading cross-functional teams to ensure success. Your responsibilities will include understanding project scope, assigning tasks, and managing budgets and schedules. You will also monitor progress, address risks, and provide regular updates to stakeholders to ensure projects are completed on time and meet high standards.

【Language Proficiency】
Japanese: Business Level
English: Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・Strong communication skills
・Logical thinking abilities
・Problem-solving skills
・Skill to identify issues and propose optimal solutions

【Desired Requirements】
・Basic understanding of web technologies (HTML, CSS, JavaScript) and how they impact user experience and product development
・Proficiency in RESTful APIs and web services, and how they are used to integrate different systems
・Ability to understand technical discussions with engineers
・Basic understanding of agile development methodologies

【Main Services】
・Rakuten Ichiba
・Rakuten Travel
・Rakuten Affiliate

【Work Location】
Rakuten Crimson House

【Position Overview】
The Technology Management Division (TMD) provides Corporate IT, and Cyber Security & Privacy Governance to Rakuten Group companies and essential business management for technology organizations, thereby enabling innovation and strengthening the technology foundation. This position is responsible for system planning, new system development, and the improvement of existing systems. As the Rakuten Group continues to grow rapidly in terms of business scale, domains, and regions, this role offers the opportunity to work in a global, dynamic, and challenging environment, with many opportunities for significant personal and professional growth.

【Position Details】
The Product Manager maximizes product value by prioritizing requirements and defining scopes to ensure efficient releases. They analyze feedback and stakeholder needs to propose solutions with a long-term vision. Additionally, they engage internal and external stakeholders, create documents such as business requirement definitions and product roadmaps, and take full responsibility for product improvement and success.

【Language Proficiency】
Japanese: Business Level
English: Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・Strong problem-solving skills
・Ability to multi-task, taking initiative to determine priorities and change directions to meet goals; ability to adapt to a fast-paced environment
・Excellent verbal and written communication skills and the ability to interact with diverse stakeholders such as executives, managers, and subject experts
・Ability to define user requirements both with and without designing a technical solution

【Desired Requirements】
・Experience or knowledge in software design and testing
・Knowledge of major protocols such as HTTP, HTTPS, etc.
・Knowledge of operating systems such as Windows, Linux, etc.

【Main Services】
・Corporate Systems

【Work Location】
Rakuten Crimson House

【Position Overview】
The Cloud Platform Supervisory Department (CPSD) develops and manages Rakuten’s state-of-the-art cloud platform, empowering global scalability and accelerating innovation across its diverse business units.

As a Product Manager, you will be deeply involved in every aspect of a product’s journey, from initial ideation to post-launch analysis. You will be responsible for understanding customer needs, identifying market opportunities, and translating them into successful product offerings. This role requires close collaboration with various teams, including engineering, marketing, and sales, to ensure the right product is developed and delivered efficiently. Your strategic insights will shape product roadmaps, aiming to maximize value and meet diverse business needs. Ultimately, you will drive the creation and evolution of products that resonate with our users and achieve business goals.

【Position Details】
＜Product Manager＞
・ Develop and contribute to long-term strategic roadmaps and future visions, informed by market trends and business needs
・ Conduct thorough analysis (e.g., cloud usage, ROI, KPIs) to identify opportunities for improvement and drive optimization across services or platforms
・ Work closely with various internal and external stakeholders to define requirements, negotiate, and ensure alignment for project success
・ Participate in and support key phases of projects, from initial planning and definition to launch and ongoing enhancement

【Language Proficiency】
Japanese: Business Level
English: Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・ Bachelor’s Degree in Business, Marketing, Engineering, or a related field
・ Excellent written and verbal communication skills (English and Japanese)

【Desired Requirements】
・ Basic knowledge of Agile project management concepts
・ Experience working in cross-cultural teams
・ Experience with modern project management tools, preferably JIRA/Confluence
・ Proven record in delivering winning products from scratch
・ Programming experience
・ Knowledge of web development platforms, databases, and infrastructure systems is a plus

【Main Services】
・ Wide range of Rakuten services (Rakuten Ichiba, Rakuten Pay, etc.) and platform features (Rakuten ID, etc.)

【Work Location】
Rakuten Crimson House

【Position Overview】
Ecosystem Platform Supervisory Department (EPSD) develops scalable and reliable platforms that support the entire Rakuten Ecosystem globally, fostering a culture of ownership and data-driven decision-making. As a Product Manager, you will be involved in every stage of the product lifecycle—from analyzing client needs and identifying potential product ideas, to product development, market launch, and performance analysis. You will work closely with multiple teams, including marketing, sales, and development, to ensure that the right products are built and delivered to market in a timely manner.

【Position Details】
・Collaborating with senior product managers to define the product roadmap, product planning, prioritization, backlog management, and feature enhancements
・Analyzing, proposing, and planning new projects and enhancements; evaluating ROI; defining KPIs for existing services and products; and tracking them for continuous improvement
・Assisting in the creation of business requirement definitions, product specifications, and negotiations with project stakeholders
・Supporting product launch activities, including launch planning, project scheduling coordination, and project documentation
・Assisting in managing communications with domestic and international Rakuten services
・Project management (depending on your experience, skill set, and the project scope)

【Language Proficiency】
Japanese: Business Level
English: Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・Bachelor’s Degree in Business, Marketing, Engineering, or a related field
・Excellent written and verbal communication skills (English and Japanese)

【Desired Requirements】
・Basic knowledge of Agile project management concepts
・Experience working in cross-cultural teams
・Experience with modern project management tools, preferably JIRA/Confluence
・Proven record in delivering products from scratch
・Programming experience
・Knowledge of web development platforms, databases, and infrastructure systems

【Main Services】
・Many Rakuten Ecosystem Services

【Work Location】
Rakuten Crimson House

【Position Overview】
Telecom Business Application Supervisory Department (TBASD) develops and maintains a unified, high-quality Business Support System (BSS) for Rakuten Mobile. We deliver agile, scalable solutions across the customer lifecycle and continuously enhance system performance through close collaboration with stakeholders.
As a Product Manager, you will be involved in every stage of the product lifecycle—from analyzing client needs and identifying potential product ideas, to product development, market launch, and performance analysis. You will work closely with multiple teams, including marketing, sales, and development, to ensure that the right products are built and delivered to market in a timely manner.

【Position Details】
＜Product Manager＞
・Collaborating with senior product managers to define the product roadmap, product planning, prioritization, backlog management, and feature enhancements as part of general product management activities
・Analyzing, proposing, and planning new projects and enhancements; evaluating ROI; defining KPIs for existing services and products; and tracking them for continuous improvement
・Assisting in the creation of business requirement definitions, product specifications, and negotiations with project stakeholders
・Supporting product launch activities, including launch planning, project scheduling coordination, and project documentation
・Assisting in managing communications with domestic and international Rakuten services
・Project management (depending on your experience, skill set, and the project scope)

【Language Proficiency】
Japanese: Native Level
English: Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・Bachelor’s Degree in Business, Marketing, Engineering, or a related field
・Excellent written and verbal communication skills (English and Japanese)

【Desired Requirements】
・Basic knowledge of Agile project management concepts
・Experience working in cross-cultural teams
・Experience with modern project management tools, preferably JIRA/Confluence
・Proven record in delivering winning products from scratch
・Programming experience
・Knowledge of web development platforms, databases, and infrastructure systems would be a big plus

【Main Services】
・Rakuten Mobile

【Work Location】
NBF Shinagawa Tower

【Position Overview】
Rakuten Payment, Inc. develops business with a focus on payment services and marketing solutions. Our services are available at approximately 5 million online and offline locations, as well as approximately 1 million locations accepting transportation-related e-money. The Product Development Division handles everything from system service planning to UI/UX planning, implementation, and operation.

【Position Details】
＜Product Manager＞
You will be responsible for product management, promoting system development, and contributing to product growth while honing your knowledge and skills in system development, including programming, through practice.
・Promote system development.
・Plan new products and features.
・Collaborate with the business side to plan service improvements.
・Develop service strategies.

＜Project Manager＞
Manage development projects, define requirements, coordinate with internal and external stakeholders, handle daily service management and improvements, and plan service strategies while providing appropriate analysis, reporting, and proposals to decision-makers.
・Create business and system requirement definitions.
・Manage and promote development projects.
・Negotiate with external parties as a primary point of contact.
・Maintain and improve service levels.

【Language Proficiency】
Japanese: Not required～Business Level
English: Not required～Business Level

【Coding Test】
Not Required

【Mandatory Requirements】
・Bachelor’s or master’s degree.
・Knowledge of IT or programming.
・High motivation to learn new technologies.

【Desired Requirements】
・Knowledge of basic web technologies.
・Experience in web application development (programming, etc.).
・Understanding of web application development processes (Agile and Waterfall).

【Main Services】
・Rakuten Pay
・Rakuten Pay Online
・Rakuten Cash
・Rakuten Edy
・Rakuten Point
・Other FinTech Services