Job Description:

Department Overview

The Beauty Product Group develops "Rakuten BEAUTY" (https://beauty.rakuten.co.jp/), a search and booking service for beauty salons such as hair salons, aesthetic salons, and relaxation salons.

In addition to Rakuten BEAUTY, the Life & Leisure Service Development is responsible for multiple products designed to enrich and make users' lifestyles more enjoyable, including Rakuten GORA and Rakuten Car.

Rakuten BEAUTY is an online booking service for beauty salons, including hair salons, aesthetic salons, and nail salons.

The beauty and wellness needs of users continue to evolve and expand. We constantly monitor market trends and explore new business opportunities.

However, we are currently still in the position of a challenger in the online beauty industry.

While we aim to close the existing "gap," we are also exploring originality to become the industry leader.

We develop our products with the belief that it's crucial to remain a challenger that impacts the industry.

Position:

Why We Hire

Rakuten BEAUTY has been on a rapid growth trajectory. As we scale our features and user base, we need a seasoned leader who can bridge the gap between business strategy and technical execution. You will be instrumental in evolving our architecture, ensuring system stability, and building an engineering culture that thrives in a dynamic, data-driven environment.

Position Details

As a Senior Manager of Engineering, you will be expected to fulfill the following responsibilities:

Engineering Leadership: Lead the development of high-performing, scalable systems. Drive technical strategy, architectural decision-making, and trade-off analysis to support business expansion.

Organizational Management: Manage team strategy, performance evaluations, and resource planning. Define and track KPIs at the section/group level to ensure alignment with overall business goals.

Talent Development: Mentor and develop future engineering leaders through structured 1-on-1s, performance coaching, and career path planning.

Operational Excellence: Serve as the system owner. Establish processes for production stability, incident management, and continuous improvement (CI/CD, monitoring, and quality assurance).

Cross-Functional Collaboration: Partner closely with business stakeholders to translate market needs into robust, innovative product specifications.

Strategic Hiring: Develop and execute a hiring roadmap to scale the engineering organization.

Mandatory Qualifications:

・ 7+ years of professional experience in Java-based backend development.

・ 5+ years of experience with the Spring Framework (Spring Boot, Spring JPA) and Hibernate.

・ 5+ years of experience designing and maintaining high-traffic, distributed systems.

・ Demonstrated experience in RDBMS, NoSQL, and KVS design.

・ Proven track record in a leadership or management role, including team building and mentoring.

・ Strong communication skills with the ability to influence stakeholders in a cross-cultural environment.

・ Proficiency in a Linux/Unix environment.

Desired Qualifications:

・ Experience in microservices architecture and Spring Cloud.

・ Deep knowledge of database performance tuning and complex SQL optimization.

・ Experience with CI/CD pipelines and DevOps tools (Argo, Jenkins, SonarQube)

・ Experience with distributed event platforms such as Kafka

・ Experience with productivity tools (Jira, Git)

・ Experience in managing large-scale, diverse, and international teams.

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