Senior Platform Engineer 【Golang/Python】

This role involves designing and building an Internal Developer Platform that streamlines development workflows, accelerates delivery, and provides a unified, high-quality experience for software engineers. The position requires strong software engineering expertise to integrate tools, automate processes, and continuously enhance performance, reliability, and developer productivity.

Client Details

The employer is a large organization in the retail industry with a focus on innovative and advanced technology solutions. They are committed to delivering excellence and maintaining a high standard of service.

Description

• Design, build, and enhance an Internal Developer Platform using modern languages such as TypeScript/JavaScript, Go, Python, and Node.js to improve developer workflows and accelerate software delivery.
• Develop and integrate cloud‑native solutions across AWS, Azure, and GCP, leveraging Docker, Kubernetes, and Helm to create scalable, reliable platform capabilities.
• Build and automate CI/CD pipelines using tools like GitHub Actions, Jenkins, and ArgoCD, ensuring smooth, consistent, and secure deployment experiences for engineering teams.
• Continuously improve platform reliability and visibility through IaC (Terraform), monitoring tooling (Prometheus, Grafana), and best practices in IDP architecture and developer experience.

Job Offer

• Competitive salary
• Complimentary meals provided at the cafeteria.
• Opportunity to work in Tokyo, a vibrant and dynamic city.
• Full time temporary position with a high possibility of conversion to permanent

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serina Miyazono on +81 3 6627 6130.

• Brings 7+ years of software engineering or DevOps experience, with strong, hands-on proficiency in Golang and solid skills in TypeScript/JavaScript, Python, or Node.js.
• Has practical experience working with Docker, Kubernetes, and Helm, building reliable, cloud‑native systems across AWS, Azure, or GCP.
• Demonstrates proven ability to design and maintain CI/CD pipelines using GitHub Actions, Jenkins, or ArgoCD, along with solid understanding of Terraform for IaC.
• Shows confidence in monitoring, troubleshooting, and optimizing platforms using Prometheus and Grafana, with a focus on improving developer experience.