📍 Job Overview

Job Title: Infrastructure Engineer - FinTech Group Company
Company: Rakuten
Location: Tokyo, Tōkyō, Japan
Job Type: Full-time
Category: Infrastructure Engineer
Date Posted: June 18, 2025

🚀 Role Summary

Lead infrastructure strategy and projects for Rakuten's FinTech Group, including credit cards, payment services, Rakuten points, internet banking, securities trading, insurance, R-Pay, Edy, and Rakuten Wallet.
Collaborate with external vendors and partner companies to complete infrastructure projects.
Promote infrastructure standardization, design guidelines, and technical support across the FinTech Group.

📝 Enhancement Note: This role requires a broad range of infrastructure engineering skills, with a focus on fintech services and collaboration with external parties.

💻 Primary Responsibilities

Infrastructure Strategy & Planning: Develop and implement infrastructure strategies that align with business objectives and ensure high availability, scalability, and security.
Project Management: Lead infrastructure projects, working with cross-functional teams and external vendors to deliver results on time and within budget.
Technical Support: Provide technical support and troubleshooting for infrastructure components, ensuring minimal downtime and quick resolution of issues.
Collaboration & Communication: Work closely with various teams, including development, operations, and business stakeholders, to understand requirements and provide suitable infrastructure solutions.
Documentation & Knowledge Sharing: Document infrastructure designs, processes, and best practices, and share knowledge with team members to ensure consistency and continuous improvement.

📝 Enhancement Note: This role involves a mix of strategic planning, project management, technical support, and collaboration, requiring strong communication and organizational skills.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant industry certifications are a plus.

Experience: 2+ years of experience in infrastructure engineering, with a focus on fintech services.

Required Skills:

Proficient in Linux, Unix, Windows, Cisco IOS/NX-OS, Oracle, or MySQL.
Experience with CI/CD tools (e.g., Jenkins, Cloud Build, Azure DevOps).
Experience in implementing or using a public cloud environment (e.g., AWS, Azure, GCP).
Strong network and server management skills.
Familiarity with container management tools (e.g., AKS, GKE, Docker, Kubernetes).
Experience with configuration management systems (e.g., Chef, Ansible, Terraform).

Preferred Skills:

Experience in comparing and analyzing cloud services (PaaS/SaaS/IaaS).
DB design experience.
Experience in L3-L7 network design and deep knowledge of protocols.
Experience in CDN design and operation (e.g., Akamai, Fastly, Azure CDN).
Front-end application development experience.
Scrum Master and project management experience.
Experience in QA and application testing development.
Experience operating Docker/Kubernetes in production service environments.
Experience with MySQL, Cassandra, Oracle, or Hadoop.
Experience designing PCIDSS/FISC compliant environments.

📝 Enhancement Note: This role requires a diverse set of technical skills, with a strong focus on infrastructure engineering, cloud services, and container management. Relevant experience in fintech services is highly desirable.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Demonstrate your experience in infrastructure engineering, with a focus on fintech services.
Showcase your ability to manage and lead infrastructure projects, including collaboration with external vendors and stakeholders.
Highlight your technical skills in network and server management, cloud services, and container management.

Technical Documentation:

Provide detailed documentation of your infrastructure projects, including design, implementation, and maintenance processes.
Include any relevant case studies or success stories that demonstrate your ability to deliver results in complex environments.
Showcase your problem-solving skills and ability to troubleshoot technical issues.

📝 Enhancement Note: As this role involves a broad range of infrastructure engineering skills, your portfolio should provide a comprehensive overview of your technical capabilities and experience in fintech services.

💵 Compensation & Benefits

Salary Range: Based on market research and industry standards for infrastructure engineers in Tokyo, the estimated salary range for this role is ¥6,000,000 - ¥8,000,000 per year (approximately USD $50,000 - $67,000). This range takes into account the candidate's experience level, the company's size, and the region's cost of living.

Benefits:

Comprehensive health insurance and retirement plans.
Generous vacation and holiday leave policies.
Opportunities for professional development and training.
A dynamic and inclusive work environment with a strong focus on collaboration and teamwork.

Working Hours: The standard workweek is 40 hours, with flexible working hours and remote work options available for certain roles. Overtime may be required to meet project deadlines or address maintenance issues.

📝 Enhancement Note: The salary range provided is an estimate based on market research and industry standards. The actual salary offered may vary depending on the candidate's experience, qualifications, and the company's internal salary structure.

🎯 Team & Company Context

🏢 Company Culture

Industry: Rakuten is a global leader in internet services, with a strong focus on fintech, e-commerce, and digital content. The company's infrastructure engineering team plays a critical role in supporting the organization's diverse range of services and ensuring high availability, scalability, and security.

Company Size: Rakuten employs over 17,000 people worldwide, with a significant presence in Japan and international offices in the United States, Europe, and Asia. The company's size provides ample opportunities for career growth and exposure to diverse projects and teams.

Founded: Rakuten was founded in 1997 and has since grown into a global technology and e-commerce powerhouse. The company's history and culture are rooted in innovation, entrepreneurship, and a strong commitment to customer satisfaction.

Team Structure:

The infrastructure engineering team is organized into specialized groups, each focusing on a specific aspect of the company's infrastructure, such as network, server, database, or DevOps engineering.
The team works closely with other departments, including development, operations, and business stakeholders, to ensure that infrastructure solutions align with business objectives and user needs.
The team follows a flat organizational structure, with a strong emphasis on collaboration, knowledge sharing, and continuous learning.

Development Methodology:

The infrastructure engineering team follows Agile methodologies, with a focus on iterative development, continuous improvement, and regular feedback.
The team uses version control systems (e.g., Git) and collaboration tools (e.g., Jira, Confluence) to manage projects and facilitate communication.
Infrastructure projects are typically delivered using a combination of waterfall and Agile methodologies, with a focus on delivering results on time and within budget.

Company Website: Rakuten

📝 Enhancement Note: Rakuten's infrastructure engineering team plays a critical role in supporting the company's diverse range of services and ensuring high availability, scalability, and security. The team's structure, methodology, and culture are designed to foster collaboration, knowledge sharing, and continuous learning.

📈 Career & Growth Analysis

Web Technology Career Level: This role is suitable for an experienced infrastructure engineer with a strong background in fintech services and a proven track record of delivering results in complex environments. The role offers opportunities for career growth and specialization in areas such as network architecture, cloud services, or DevOps engineering.

Reporting Structure: The infrastructure engineer reports directly to the infrastructure engineering manager and works closely with other team members, as well as cross-functional teams, to deliver infrastructure solutions that meet business objectives and user needs.

Technical Impact: The infrastructure engineer plays a critical role in ensuring the high availability, scalability, and security of Rakuten's fintech services. The role involves designing, implementing, and maintaining infrastructure solutions that support the company's diverse range of services and meet the needs of millions of users worldwide.

Growth Opportunities:

Technical Specialization: As an experienced infrastructure engineer, you will have the opportunity to specialize in a specific area of interest, such as network architecture, cloud services, or DevOps engineering. This will allow you to deepen your technical skills and become an expert in your chosen field.
Leadership & Mentoring: With experience and demonstrated success, you may have the opportunity to take on a leadership role within the team, mentoring junior team members and helping to shape the team's direction and culture.
Cross-functional Collaboration: Working closely with other departments, such as development, operations, and business stakeholders, will provide opportunities to learn new skills and gain a deeper understanding of the company's business and user needs.

📝 Enhancement Note: This role offers significant opportunities for career growth and specialization, with a focus on technical expertise, leadership, and cross-functional collaboration.

🌐 Work Environment

Office Type: Rakuten's Tokyo office is a modern, open-plan workspace designed to foster collaboration and communication among team members. The office features state-of-the-art technology, comfortable workspaces, and a range of amenities to support employee well-being and productivity.

Office Location(s): Rakuten's Tokyo office is located in the Rakuten Crimson House, a iconic building designed by renowned architect Kengo Kuma. The office is conveniently located in the Shinjuku district, with easy access to public transportation and a range of dining, shopping, and entertainment options.

Workspace Context:

Collaboration & Communication: The open-plan workspace encourages collaboration and communication among team members, with a range of meeting rooms, breakout spaces, and communal areas available for team meetings, brainstorming sessions, and informal discussions.
Technology & Tools: The office is equipped with the latest technology and tools to support infrastructure engineering, including high-performance workstations, multiple monitors, and a range of testing and debugging tools.
Work-life Balance: Rakuten places a strong emphasis on work-life balance, with a range of flexible working arrangements available to support employees' personal and professional needs.

Work Schedule: The standard workweek is 40 hours, with flexible working hours and remote work options available for certain roles. Overtime may be required to meet project deadlines or address maintenance issues.

📝 Enhancement Note: Rakuten's Tokyo office provides a modern, collaborative workspace designed to support infrastructure engineering and foster teamwork and communication. The office's location and amenities make it an attractive place to work, with a strong focus on work-life balance and employee well-being.

📄 Application & Technical Interview Process

Interview Process:

Phone Screen: A brief phone or video call to discuss your background, experience, and motivation for applying to the role.
Technical Assessment: A hands-on technical assessment, focusing on your infrastructure engineering skills, cloud services, and container management experience. You may be asked to complete a project or case study that demonstrates your ability to design, implement, and maintain infrastructure solutions in a complex environment.
Behavioral Interview: A structured interview to assess your problem-solving skills, communication, and collaboration abilities. You may be asked to describe your approach to infrastructure projects, your experience working with external vendors and stakeholders, and your ability to manage and lead projects.
Final Interview: A final interview with the hiring manager or a panel of team members to discuss your fit for the role and the team, as well as any remaining questions or concerns.

Portfolio Review Tips:

Highlight your experience in infrastructure engineering, with a focus on fintech services and complex environments.
Showcase your ability to manage and lead infrastructure projects, including collaboration with external vendors and stakeholders.
Include any relevant case studies or success stories that demonstrate your technical skills and problem-solving abilities.

Technical Challenge Preparation:

Brush up on your knowledge of Linux, Unix, Windows, Cisco IOS/NX-OS, Oracle, and other relevant technologies.
Familiarize yourself with cloud services, container management tools, and configuration management systems.
Prepare for questions about infrastructure design, implementation, and maintenance processes, as well as your approach to troubleshooting technical issues.

ATS Keywords: [See the comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category: programming languages, web frameworks, server technologies, databases, tools, methodologies, soft skills, industry terms]

📝 Enhancement Note: Rakuten's interview process is designed to assess your technical skills, problem-solving abilities, and cultural fit for the role and the team. The process involves a combination of technical assessments, behavioral interviews, and final interviews, with a focus on your experience in infrastructure engineering and fintech services.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: Not applicable for this role.

Backend & Server Technologies:

Linux, Unix, Windows
Cisco IOS/NX-OS
Oracle, MySQL
Public cloud environments (e.g., AWS, Azure, GCP)
Container management tools (e.g., AKS, GKE, Docker, Kubernetes)
Configuration management systems (e.g., Chef, Ansible, Terraform)
CDN design and operation (e.g., Akamai, Fastly, Azure CDN)
PCIDSS/FISC compliance environments

Development & DevOps Tools:

CI/CD tools (e.g., Jenkins, Cloud Build, Azure DevOps)
Version control systems (e.g., Git)
Collaboration tools (e.g., Jira, Confluence)
Infrastructure as Code (IaC) tools (e.g., Terraform, CloudFormation)
Monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack)

📝 Enhancement Note: This role requires a broad range of infrastructure engineering skills, with a focus on cloud services, container management, and collaboration with external vendors and stakeholders. The technology stack reflects the diverse range of technologies and tools required to support Rakuten's fintech services and ensure high availability, scalability, and security.

👥 Team Culture & Values

Web Development Values:

Customer Focus: Rakuten places a strong emphasis on customer satisfaction and user experience. Infrastructure engineers are expected to understand the needs of Rakuten's users and design infrastructure solutions that meet their requirements.
Innovation & Continuous Learning: Rakuten encourages a culture of innovation and continuous learning, with a strong focus on staying up-to-date with the latest technologies and best practices in infrastructure engineering.
Collaboration & Teamwork: Rakuten's infrastructure engineering team is organized into specialized groups, each focusing on a specific aspect of the company's infrastructure. Collaboration and teamwork are essential for ensuring that infrastructure solutions align with business objectives and user needs.
Quality & Reliability: Rakuten places a strong emphasis on quality and reliability, with a focus on delivering infrastructure solutions that are robust, scalable, and secure.

Collaboration Style:

Cross-functional Collaboration: Infrastructure engineers work closely with other departments, including development, operations, and business stakeholders, to ensure that infrastructure solutions align with business objectives and user needs.
Knowledge Sharing: Rakuten encourages a culture of knowledge sharing, with a strong focus on learning from one another and continuous improvement.
Mentoring & Leadership: Experienced infrastructure engineers are expected to mentor junior team members and help shape the team's direction and culture.

📝 Enhancement Note: Rakuten's infrastructure engineering team is characterized by a strong focus on customer satisfaction, innovation, collaboration, and quality. The team's culture is designed to foster collaboration, knowledge sharing, and continuous learning, with a strong emphasis on staying up-to-date with the latest technologies and best practices in infrastructure engineering.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Fintech Services: Design, implement, and maintain infrastructure solutions that support Rakuten's diverse range of fintech services, including credit cards, payment services, Rakuten points, internet banking, securities trading, insurance, R-Pay, Edy, and Rakuten Wallet.
Cloud Services: Stay up-to-date with the latest cloud services, trends, and best practices, and design infrastructure solutions that leverage cloud services to deliver high availability, scalability, and security.
Container Management: Design, implement, and maintain container management solutions that support the deployment and scaling of Rakuten's fintech services in a production environment.
Collaboration & Communication: Work closely with external vendors and stakeholders to design, implement, and maintain infrastructure solutions that meet business objectives and user needs.

Learning & Development Opportunities:

Technical Specialization: As an experienced infrastructure engineer, you will have the opportunity to specialize in a specific area of interest, such as network architecture, cloud services, or DevOps engineering. This will allow you to deepen your technical skills and become an expert in your chosen field.
Leadership & Mentoring: With experience and demonstrated success, you may have the opportunity to take on a leadership role within the team, mentoring junior team members and helping to shape the team's direction and culture.
Cross-functional Collaboration: Working closely with other departments, such as development, operations, and business stakeholders, will provide opportunities to learn new skills and gain a deeper understanding of the company's business and user needs.

📝 Enhancement Note: This role offers significant technical challenges and growth opportunities, with a focus on fintech services, cloud services, container management, and collaboration with external vendors and stakeholders. The role provides opportunities for technical specialization, leadership, and cross-functional collaboration, with a strong emphasis on staying up-to-date with the latest technologies and best practices in infrastructure engineering.

💡 Interview Preparation

Technical Questions:

Infrastructure Design & Implementation: Describe your approach to designing, implementing, and maintaining infrastructure solutions in a complex environment. Provide examples of your experience with network, server, database, and cloud infrastructure.
Cloud Services: Discuss your experience with public cloud environments (e.g., AWS, Azure, GCP) and how you have leveraged cloud services to deliver high availability, scalability, and security.
Container Management: Explain your experience with container management tools (e.g., AKS, GKE, Docker, Kubernetes) and how you have used containers to deploy and scale applications in a production environment.
Collaboration & Communication: Describe your experience working with external vendors and stakeholders to design, implement, and maintain infrastructure solutions that meet business objectives and user needs.

Company & Culture Questions:

Rakuten's Infrastructure Engineering Team: Research Rakuten's infrastructure engineering team, its structure, and its approach to infrastructure engineering. Be prepared to discuss how your experience and skills align with the team's goals and objectives.
Rakuten's FinTech Services: Familiarize yourself with Rakuten's fintech services, including credit cards, payment services, Rakuten points, internet banking, securities trading, insurance, R-Pay, Edy, and Rakuten Wallet. Be prepared to discuss how your experience and skills can support the delivery of these services.
Rakuten's Culture & Values: Research Rakuten's culture and values, with a focus on customer satisfaction, innovation, collaboration, and quality. Be prepared to discuss how your personal values and work style align with Rakuten's culture and values.

Portfolio Presentation Strategy:

Infrastructure Projects: Highlight your experience in infrastructure engineering, with a focus on fintech services and complex environments. Include any relevant case studies or success stories that demonstrate your technical skills and problem-solving abilities.
Collaboration & Communication: Showcase your ability to work with external vendors and stakeholders to design, implement, and maintain infrastructure solutions that meet business objectives and user needs. Include any relevant examples of your communication and collaboration skills.
Technical Skills: Demonstrate your technical skills in infrastructure engineering, cloud services, and container management. Include any relevant examples of your experience with Linux, Unix, Windows, Cisco IOS/NX-OS, Oracle, and other relevant technologies.

📝 Enhancement Note: Rakuten's interview process is designed to assess your technical skills, problem-solving abilities, and cultural fit for the role and the team. The process involves a combination of technical assessments, behavioral interviews, and final interviews, with a focus on your experience in infrastructure engineering and fintech services. The portfolio presentation strategy should highlight your technical skills, collaboration and communication abilities, and your fit for the role and the team.

📌 Application Steps

To apply for this infrastructure engineer position at Rakuten:

Review the Job Description: Carefully read the job description to ensure that your experience, skills, and career goals align with the role and the company's objectives.
Tailor Your Resume: Customize your resume to highlight your relevant experience, skills, and achievements in infrastructure engineering, with a focus on fintech services and cloud services.
Prepare Your Portfolio: Showcase your experience in infrastructure engineering, with a focus on fintech services and complex environments. Include any relevant case studies or success stories that demonstrate your technical skills and problem-solving abilities.
Research Rakuten: Familiarize yourself with Rakuten's infrastructure engineering team, its structure, and its approach to infrastructure engineering. Be prepared to discuss how your experience and skills align with the team's goals and objectives.
Prepare for the Interview: Brush up on your knowledge of Linux, Unix, Windows, Cisco IOS/NX-OS, Oracle, and other relevant technologies. Prepare for questions about infrastructure design, implementation, and maintenance processes, as well as your approach to troubleshooting technical issues.
Apply: Submit your application through the application link provided in the job description.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

【Open Position】Infrastructure Engineer - FinTech Group Company