Backend Engineer, Agent Development (EC AI)

Job Description

Rakuten Group, Inc. is a global leader in internet services and has a diverse ecosystem spanning across e-commerce, fintech, communications and more serving approximately 1.8 billion members worldwide. Founded in Tokyo in 1997, the Group operates in over 30 countries and regions with more than 30,000 employees.

Based in Singapore's Central Business District, Rakuten Asia Pte. Ltd. serves as the regional headquarters for Asia, driving value through areas such as advertising product development, product strategy, and data management to support Rakuten Group's global ecosystem. Learn more at: https://global.rakuten.com/corp/

The AI & Data Division (AIDD) creates powerful, customer-focused search, recommendation, data science, advertising, marketing, price, and inventory optimization solutions for businesses across the Rakuten group. As part of AIDD, AILab builds new solutions that have the potential to transform how users interact with Rakuten services. Our goal is to drive innovation by developing new products and capabilities that deliver significant impact over longer timeframes using AI.

We're building agents that work inside Rakuten's commerce ecosystem — shopping assistants that understand what a customer actually wants and find it across a vast, messy, multi-merchant catalog; and merchant-facing agents that handle listing, pricing, and operations work that used to require a human in a dashboard. The distinguishing constraint of this role: these agents take

real actions on real commerce state

. They add to carts, apply coupons, initiate returns, update…