Company Join a fast-growing AI and technology company specializing in digital transformation for Japan's financial services industry. The company works with major banks, securities firms, asset managers and financial groups on enterprise AI and data initiatives. The internal AI and Data organization is internationally diverse, while client-facing work is primarily conducted in Japanese.
What You’ll Do You will act as the technical lead for enterprise Generative AI projects, taking responsibility from solution design through production deployment. This is a player-coach role where you remain technically involved while leading a small team and owning overall delivery quality.
Key responsibilities include
Design enterprise applications using LLMs and Generative AI
Lead RAG and AI Agent architecture and implementation
Design prompts, model parameters and LLM API integration
Evaluate fine-tuning and other model adaptation approaches
Design LLM evaluation, monitoring and continuous improvement processes
Build and improve LLMOps practices
Work with AI Consultants and Data Engineers from requirements definition through implementation
Discuss technical solutions directly with enterprise customers
Review architecture, code and technical deliverables
Mentor junior and mid-level Data Scientists and AI Engineers
Lead technical delivery across small project teams
Turn reusable project knowledge into internal technical packages and AI products
What We’re Looking For
Strong professional experience across AI or Data Science
Hands-on experience delivering LLM / Generative AI projects
Experience building applications using commercial or cloud LLM APIs
Practical experience with RAG, fine-tuning, LLMOps or related Generative AI technologies
Experience leading small technical teams or AI projects