Staff Fullstack Engineer: Real-time Personalization & AI

Treasure AI is seeking a Staff Fullstack Engineer to lead architecture across frontend and backend as part of a squad-based in office collaboration. You will mentor engineers and shape scalable, secure systems in a hybrid Tokyo-based setup, interfacing with product managers and designers to deliver high-impact features.

You will contribute to end-to-end design, ensure architectural consistency, and drive engineering excellence across the stack with a focus on React and backend scalability.