Data Engineer II, JCI Measurement and Optimization Science Team
Amazon • Tokyo, Japan
No Relocation
Posted: July 17, 2026
Additional Content
Description
- We are seeking a Data Engineer II to join the Japan Consumer Innovation Measurement and Optimization Science Team (JCI MOST), which builds the data infrastructure powering Japan's Cost-to-Serve (CtS) program.
Description
- We are seeking a Data Engineer II to join the Japan Consumer Innovation Measurement and Optimization Science Team (JCI MOST), which builds the data infrastructure powering Japan's Cost-to-Serve (CtS) program. You will own the end-to-end data pipelines that enable cost visibility, automated business reviews, and AI-driven insights for supply chain optimization across Amazon Japan. This role has two primary workstreams: (1) automating executive business reviews (xBR) — replacing manual reporting with scalable, self-refreshing data products that serve leadership at cadence; and (2) building the inbound cost data pipeline — creating ASIN-level inbound cost visibility that does not exist today. You will work alongside applied scientists, economists, and product managers, building the data foundation that powers COSTA AI (our GenAI-driven cost intelligence agent), causal science models, and financial simulation tools used by VP-level leadership across Amazon Japan. Key job responsibilities -Build automated pipelines powering CtS business reviews — eliminating manual data pulls -Design and build the inbound cost data pipeline (vendor/ASIN/lane level visibility) -Build data infrastructure supporting GenAI agents and causal science models -Manage AWS resources (Redshift, S3, Glue, Lambda, EMR) and deploy infrastructure-as-code
Basic Qualifications
- - 3+ years of data engineering experience - Experience with data modeling, warehousing and building ETL pipelines
Preferred Qualifications
- - Experience with AWS technologies like Redshift, S3, AWS Glue, EMR, Kinesis, FireHose, Lambda, and IAM roles and permissions - Experience with non-relational databases / data stores (object storage, document or key-value stores, graph databases, column-family databases) Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.