About the Company A leading B2B AI product company building enterprise AI products used by professionals at scale. Based in Shibuya with a modern, well-designed office, the team works in an English-first environment with flexible working (office about once a week, otherwise remote). Compensation is well above most Japan tech companies (Up to JPY 15M+).
What You’ll Do
Build and maintain backend services for enterprise AI products
Design APIs, data models, and core backend architecture
Improve reliability, performance, and developer productivity
Work closely with product and AI teams in an English-speaking environment
What You Bring
3+ years of backend development experience
Experience with backend languages (Python, Go, Java, etc.)
Strong understanding of web services, databases, and cloud systems
Japanese proficiency around JLPT N2 or above
Comfortable working in an English-first engineering team
If you’re interested in building real B2B AI products with top-tier compensation and a flexible work style in Japan, feel free to apply or DM.