English summary for screening — check the original posting before applying.
SARUCREW is seeking an AI Engineer (Tech Lead) to join the CTO's direct improvement team. This role will lead the technical strategy and architecture design for AI-driven internal business improvements, transforming data into a business advantage.
Must-haves
- 5+ years of professional engineering experience
- Experience developing LLM/AI agents
- Experience with system architecture design
- Ability to understand business models and reflect them in design
Nice-to-haves
- Experience leading technical selection and architecture design for entire services
- Experience leading product-wide design and operations, and managing teams
- Experience with backend API design and DB design for commercial services
- Experience with infrastructure design, operation, and construction for large-scale services
- Experience leading development teams
Tech stack
TypeScriptNext.jsReactNestJSPostgreSQLAWS
Work style
Onsite, Tokyo (Shibuya)
Other notes
Salary: 8,000,000 - 12,000,000 JPY/year