Cloud Infrastructure Engineer
- Tokyo
- Partial Remote
- Full-time
- April 22, 2026
Supporting Our Company's Cloud Services as an Infrastructure Specialist
Job Description
You will be responsible for providing the data infrastructure to the system development members of our AI Supply Chain Solutions Division, aiming to transform Japan's publishing distribution into a sustainable one through the use of DX (Digital Transformation), a joint effort between Marubeni Corporation, Kodansha Ltd., Shogakukan Inc., and Shueisha Inc. The division aims to expand to a size of over 50 people in the future.
About the AI Supply Chain Solutions Division
To realize sustainable publishing distribution, we provide services to optimize the entire supply chain using DX. While it involves many stakeholders, including publishers, distributors, and bookstores, and requires coordination, it is an extremely rewarding position where you can reform the entire supply chain from upstream to downstream. If you're tired of theoretical testing and want to challenge yourself with a new role, let's work together to reform the industry!
Job Responsibilities
You will be responsible for a series of tasks related to the construction, implementation, and operation of the data infrastructure for our company's cloud services.
You will work in cooperation with the current one dedicated infrastructure specialist, focusing on strategic cloud utilization, cost optimization, process automation, and scaling.
Growth Opportunities
- Numerous newly created positions available as we are a newly established company!
- Experience the thrill of leading clients to success alongside talented members.
- You can execute end-to-end solutions for client problems, from system-based proposals to value creation.
⇒This opens up a career path to becoming a senior manager or business leader in the future!
PubteX's Technology Stack:
- Communication: GitHub, Slack
- GCP: BigQuery, AlloyDB, Composer, Cloud Run, Cloud Scheduler, Google Compute Engine, Google Cloud Storage, VPC Service Controls, etc.
- Development Languages: Python, Rust, Typescript
- Frameworks: Airflow (Composer), dbt, Dagster, LightGBM, React Router, Hono, FastAPI
- Infrastructure: Terraform
- CI/CD: GitHub Actions
- Scope of Changes in Responsibilities: We will basically confirm this during the interview and offer you a position based on your skills and experience. Depending on your suitability, your overall work responsibilities may be subject to change after discussion.
- Potential changes to work location: Either KDX Toranomon 1-chome Building or remote work.
Essential skills
- Business-level Japanese language proficiency (JLPT N2 or higher if Japanese is not your native language)
- Experience in building, implementing, and operating service infrastructure using GCP, AWS, or Azure:
- Server construction and operation
- Network construction and operation
- Consideration, implementation, and operation of security measures on cloud infrastructure
- Overall infrastructure design
Skills that would be a plus
- Experience participating in ML service projects
- Experience with data warehousing
- Experience with IaC + CI/CD: Terraform, GitHub Actions/Cloud Build, etc.
- Strong Linux/Unix background
- Effective communication skills and the ability to collaborate effectively within a team
About PubteX
AI Publishing & Distribution Optimization
PubteX analyzes publishing industry data from every angle—vertical, horizontal, and comprehensive. By leveraging AI models, tailored to the unique sales characteristics of each work, they continuously evolve their services to solve structural issues. PubteX’s primary goals are to reduce return rates and improve the overall efficiency of the industry supply chain.
IoT Solutions
PubteX attaches RFID (IC tags) to publications to capture real-time data. This information powers a wide range of services, including:
- Inventory & Sales Management: Real-time tracking and diverse sales condition management.
- Store Optimization: Improving shelf efficiency and providing book recommendations on the sales floor.
- Loss Prevention: Reducing shoplifting and streamlining bookstore operations.
This technology supports bookstores in resolving distribution challenges, helping modernize their management and day-to-day operations.
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