Software Engineer, Platform - Tokyo, Japan
Core
Building and maintaining backend services for a global text-to-speech platform serving 50M+ users across mobile, web, and desktop.
Role type
Senior Platform Backend Engineer
Builds
Scalable APIs for payments, subscriptions, authentication, and text-to-speech processing
Domain
Consumer AI / EdTech / Audio
Deliverable
production ML models | product features | infrastructure
Required skills
TypeScript, Node.js, Google Cloud Platform (GCP), API design, backend architecture
Preferred skills
Docker, Kubernetes, high-availability deployment
Technologies
TypeScript, Node.js, GCP, AWS, Azure, Docker, Kubernetes
Responsibilities
Design and maintain robust public and internal APIs; optimize backend performance and maintainability; collaborate on B2B enterprise integration solutions; align backend architecture with product strategy
Seniority
Senior, hands-on IC
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