Design and implement data infrastructure to support AI utilization, collaborating with senior engineers and consultants.
About this role
This Senior Software Engineer role is part of the Data Platform Technology Group and supports the data foundations behind TROCCO and COMETA. After learning the relevant domain and existing architecture, the engineer will organize complex requirements and issues, design and implement end-to-end architecture within the team’s area, identify bottlenecks and technical debt from operational problems, and lead fundamental technical renewal.
The role includes coordinating with product managers, designers, and QA to make decisions and reach agreement while balancing technical considerations, team capacity, and delivery schedules. The engineer will conduct code reviews to improve team code quality and develop testing strategies in cooperation with QA.
Key product work includes developing core functions for TROCCO and COMETA and rearchitecting existing functions for large-scale data processing. The named development technologies are Ruby with Rails, TypeScript with React, Java with Embulk, and AWS. The engineer will also use AI and automation tools such as Claude Code and GitHub Copilot to improve development efficiency and will participate in selecting tools and frameworks.
TROCCO is provided as a cloud ETL service, while COMETA is an AI data platform. The group is responsible for designing and building the data platform that supports the company’s data and AI initiatives. The position involves moving from problem organization and technical proposals through consensus building and implementation. The posting identifies future paths including product lead and tech lead, as well as technical expert, engineering manager, and product manager roles, with career development discussed with a manager.
The listed tools include AWS with EKS and ECS Fargate, Kustomize, Terraform, CloudWatch, New Relic, Redash, Rollbar, CircleCI, GitHub Actions, Claude Code, GitHub Copilot, Gemini, GitHub, Google Workspace, Slack, Confluence, Miro, Okta, and 1Password. The title identifies the position as senior, but no specific education, years-of-experience, or language requirement is stated.
The immediate work location is the company-designated site at JR Tokyu Meguro Building 5F, 3-1-1 Kamiosaki, Shinagawa-ku, Tokyo 141-0021. Telework locations, including the employee’s home, are included. The location may change to company-designated locations, including telework locations, and duties may change to company-designated duties. Indoor smoking is generally prohibited, and the posting states that the work does not take place in smoking-permitted areas.
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