Generative AI Engineer
Apply on the company site Posted Aug 5, 2026
Salary (published): ¥5,000,000–¥9,000,000 / year (plus overtime beyond 30h/month). Languages: Japanese working environment.
About the role
Lead customer generative-AI projects at Retrieva from POC through production — RAG, prompt design, LLM fine-tuning, and the MLOps pipelines behind them.
Responsibilities
- Lead LLM-driven customer generative-AI projects from POC through deployment
- RAG implementation; prompt design
- Embedding optimization; LLM fine-tuning
- MLOps pipeline development
- Contribute to open-source projects
Qualifications
- Python (3+ years)
- Generative-AI / ML project implementation (3+ successful POCs)
- Team development experience (3+ members)
Nice to have
- PyTorch; Transformers framework
- Embedding and LLM optimization
- Enterprise-scale AI project leadership
- Open-source contributions
Tech stack
Python, PyTorch, Transformers, LLMs, RAG, MLOps.
External listing — the salary range is stated on the official posting (verified live 2026-07-30). The Apply button takes you to Retrieva’s official HERP page.
Working conditions
- Employer
- Retrieva
- Employer contact
- https://herp.careers/careers/companies/retrieva
- Workplace
- Tokyo (Toshima) · Remote-primary (monthly office visits)
- Type
- Full-time (permanent)
- Salary
- ¥5.0M–¥9.0M / 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.