Senior AI Engineer

Senior AI Engineer | Tokyo, Japan | ¥8m–¥15m

Global Engineering Talent is supporting a major international technology business as it expands its AI engineering capability in Tokyo.

We are looking for a Senior AI Engineer who can take AI solutions beyond the prototype stage, helping to shape requirements, design solutions and lead delivery into production.

The role

• Design and deliver production Generative AI, LLM and machine-learning solutions
• Build RAG, fine-tuning and agentic AI applications
• Translate customer requirements into practical technical solutions
• Lead projects from initial design through development, deployment and support
• Provide technical guidance and mentoring to other AI engineers
• Work with cloud and MLOps teams to deploy scalable, secure AI systems
• Present solutions and technical recommendations to clients and stakeholders
• Use AI tools to improve delivery efficiency, documentation and solution quality

What we’re looking for

• Strong commercial experience in AI, machine learning or software engineering
• Advanced Python development skills
• Production experience with LLMs, RAG, Generative AI or multi-agent systems
• Experience with AWS, Azure or GCP
• Understanding of Docker, CI/CD and production model deployment
• Experience leading engineers or taking technical ownership of AI projects
• Confidence gathering requirements and communicating with customers
• Business-level Japanese, ideally JLPT N2 or equivalent
• Professional English communication

Experience with LangChain, Azure OpenAI, SageMaker, Vertex AI, Kubernetes, MLflow, Airflow or model monitoring tools would be advantageous.

Package

• Salary: ¥8m–¥15m, depending on experience
• Permanent employment
• Tokyo-based position
• Relocation support available
• Visa sponsorship available
• One-stage interview process

This opportunity would suit an experienced AI Engineer who wants greater technical ownership and the chance to deliver enterprise AI solutions within a growing international technology environment.

To apply, please send your CV, current and expected salary, notice period, visa status and Japanese language level.

All applications will be handled confidentially.