Senior AI-Driven Commerce Backend Engineer

Rakuten Asia Pte. Ltd. in Singapore seeks a Senior Backend Engineer to build the backend for conversational and autonomous commerce agents. You will own catalog, cart, checkout, and order workflows, ensuring safe, auditable actions on live commerce data.

You will focus on widespread latency optimization, tool orchestration, and multi-turn state management across teams including product, search, and trust & safety. Strong Python/Go/Java, ML systems, and distributed systems skills are essential.