Founding Engineer, AI Agent New Business
Apply on the company site Posted Aug 5, 2026
Salary (published): ¥7,000,000–¥12,000,000 / year. Languages: Japanese business proficiency preferred.
About the role
Founding engineer for TechTouch’s new AI-agent business — a 0→1 unit reporting directly to the CEO, building enterprise AI agents from prototype to production.
Responsibilities
- Design and implement AI agents using LangChain / Dify
- LLM prompt engineering and accuracy refinement
- Develop API integrations with business systems
- Build POC/MVP prototypes rapidly
- Implement enterprise requirements (security, audit logging)
Qualifications
- 3+ years of web application development
- Python, TypeScript/JavaScript
- REST / GraphQL API design and development
- Strong interest in LLM application development
Nice to have
- Appetite for 0→1 startup phases
- Enterprise-automation-platform experience
Tech stack
LangChain, Dify, OpenAI API, Claude API, Python, TypeScript/JavaScript.
External listing — the salary range is stated on the official posting (verified live 2026-07-30). The Apply button takes you to TechTouch’s official HERP page.
Working conditions
- Employer
- TechTouch
- Employer contact
- https://herp.careers/careers/companies/techtouch
- Workplace
- Tokyo (Ginza) · Remote-flexible (~40% office)
- Type
- Full-time
- Salary
- ¥7.0M–¥12.0M / year
These working conditions are summarized from the employer's official posting, where the full and authoritative conditions are published. Please confirm the final terms directly with the employer before accepting any offer.