Senior DevOps / Platform Engineer Global Technology Company

Senior DevOps / Platform Engineer Large-scale E-commerce Platform

We are seeking a Senior DevOps / Platform Engineer to join a large-scale e-commerce technology organization.

In this role, you will be responsible for designing, building, and maintaining an Internal Developer Platform (IDP) that enables engineering teams to deliver high-quality software efficiently and at scale. You will work closely with software engineers, infrastructure teams, and product stakeholders to improve developer experience, automate workflows, and enhance platform reliability.

Responsibilities

Design, develop, and maintain features and components of the Internal Developer Platform with a focus on scalability, reliability, and usability.

Build and optimize CI/CD pipelines and GitOps-based deployment workflows.

Integrate cloud, security, monitoring, and development tools into a unified developer experience.

Automate infrastructure provisioning and operational processes using Infrastructure as Code (IaC).

Manage and improve containerized environments based on Kubernetes and Docker.

Collaborate with cross-functional teams to define platform requirements and technical roadmaps.

Provide technical guidance, documentation, and support to engineering teams.

Continuously improve platform performance, security, observability, and operational efficiency.

Requirements:

- 7+ years of hands-on experience in DevOps, Platform, or Software Engineering roles, with a focus on infrastructure and developer tooling.

- Proven experience in designing, building, and maintaining Internal Developer Platforms (IDP) or large-scale developer tooling ecosystems. Deep understanding of key principles and challenges in delivering a unified developer experience.

- Strong expertise in programming languages: one or more of TypeScript/JavaScript (especially React.js for frontend), Go, Python, or Node.js for backend in platform development.

- Hands-on experience with major cloud platforms (one or more of AWS, Azure, GCP), including deep understanding of core services (compute, storage, networking, IAM).

- Extensive experience with containerization and orchestration. Docker and Kubernetes are required. Experience with Helm Charts is a plus.

- Strong proficiency in CI/CD pipelines. Experience designing, implementing, and maintaining automated build and deployment processes (GitHub Actions, Jenkins, ArgoCD).

- Infrastructure as Code (IaC): Solid experience with tools such as Terraform.

- Excellent communication skills. Ability to clearly and concisely convey complex technical concepts to both technical and non-technical audiences.

- Strong commitment to teamwork and collaboration. Ability to work effectively within cross-functional teams, share knowledge, and contribute to a positive team environment.

- Strong ownership and commitment. Proactive approach to tackling challenges, driving projects to completion, and taking responsibility for results.

Preferred Qualifications:

- Experience in cloud environment management (especially GCP).

- Experience in web service operations (including monitoring and troubleshooting).

- Experience in server-side web service application development.

- Knowledge of Kafka Streams or Kafka Connect.

- Business analysis skills to support data-driven decision-making.

- Experience in building CI/CD pipelines including various automated tests.

- Experience in microservices development.

- Experience with NoSQL databases such as Cassandra.

- Experience working in multicultural and multigenerational teams.

Languages

English: Fluent

Japanese: Optional / a plus

Work Environment

Fast-paced, dynamic global environment with collaborative teams across multiple locations

Salary: ¥9M – ¥12M JPY per year (Senior Level)

Location: Hybrid (4 days in the office, 1 day remote)

Office Location: Tokyo, Japan

Working Hours: Flexible schedule with core hours from 11:00 AM to 3:00 PM

Visa Sponsorship: Available

Japanese language proficiency certification (such as JLPT N2) is not required, as our client is a global organization with an international working environment.

Language Requirement: English only

Apply now or contact us for further information: