Key Responsibilities

In this role, you will focus on the following tasks:

• Collaborate closely with developers to enhance the value and efficiency of engineering efforts.

• Develop and maintain self-service tools and platforms to streamline workflows.

• Improve development processes and environments beyond just introducing new tools.

Depending on your experience and interests, you may have the opportunity to contribute to different teams. This can be discussed during the interview.

As the organization evolves, your responsibilities may shift to align with business needs and career growth opportunities.

What You’ll Gain from This Role

• Hands-on experience integrating complex systems into streamlined platforms.

• The challenge of solving technical problems alongside highly motivated teammates.

• Opportunities to contribute to scalable products using cutting-edge technologies.

• Exposure to globally deployed software solutions with real-world impact.

• The satisfaction of building systems that drive efficiency and innovation.

About the Team

The Platform Engineering Team plays a critical role in supporting developers across the organization by improving QA, SRE, security, and infrastructure. As a newly established group, the mission is to "Empower Developers" by reducing cognitive load and automating repetitive development tasks, allowing engineers to focus on delivering value.

Required Qualifications

• 7+ years of experience in back-end development for web applications.

• Expertise in making technical decisions, including architecture design and technology selection.

• Strong knowledge of Test-Driven Development (TDD) and experience implementing automated testing frameworks (Linter, Code Analyzer, API tests, E2E tests).

• Proficiency in statically typed programming languages (e.g., TypeScript, Rust, Java/Kotlin, Go, etc.).

• Experience working with public cloud platforms such as AWS or Google Cloud.

• Strong English communication skills (CEFR B1 or higher), capable of handling daily tasks and meetings in English.

Preferred Qualifications

• Experience with container orchestration technologies like Kubernetes.

• Hands-on experience with Infrastructure-as-Code (IaC) practices.

• Familiarity with CI/CD pipeline design and implementation.

• Prior experience in platform engineering within a mid-to-large engineering team (50+ developers).

• Knowledge of Scrum or Agile methodologies.

• Japanese proficiency (JLPT N2 or above) is a plus.

Who We're Looking For

• Engineers who thrive in high-impact roles and enjoy optimizing developer workflows.

• Individuals with a T-shaped skillset, deep in back-end and infrastructure but open to learning cross-functional knowledge.

• Problem-solvers who take ownership and proactively tackle challenges.

• Professionals who maintain a positive attitude and engage in constructive discussions even in uncertain environments.

• Communicators who respect diverse viewpoints and work collaboratively to achieve shared goals.