Sr AI Engineer

Job Description

Appealing Points

• Lead cutting-edge AI solution development — Take ownership from model selection and fine-tuning to production integration, leveraging Generative AI technologies such as LLMs, RAG, and diffusion models.
• Drive technical excellence and leadership — Define roadmaps, manage risks, mentor engineers, and oversee delivery quality across large-scale AI engineering initiatives.
• Bridge business and technology for real impact — Collaborate with business units to turn strategic goals into measurable AI-driven outcomes and shape the company’s digital innovation.

Anually Salary : 8 million yen and above

Job Responsibilities:

• Lead and actively contribute to AI solution development: model selection, fine-tuning, evaluation, and production integration.
• Design and implement scalable AI systems, APIs, and data/inference pipelines.
• Troubleshoot complex technical issues and mentor engineers through code reviews and design guidance.
• Define technical roadmaps, milestones, deliverables, and coordinate with stakeholders on scope and priorities.
• Provide project leadership (scheduling, resource alignment, risk/issue management) to keep delivery on track.
• Ensure deliverables meet technical specifications, quality standards, security, and compliance requirements.
• Collaborate with business units to translate objectives into technical solutions and measurable outcomes.
• Report progress, risks, and mitigation plans to directors and key stakeholders.

Job Qualifications:

• 10+ years of full-time professional experience, including significant hands-on development in AI or software engineering.
• Deep knowledge of Generative AI (LLMs, RAG, LVM, diffusion) and applied prompt engineering, as well as traditional ML.
• Strong programming skills in Python; proficiency with AI/ML frameworks (e.g., PyTorch, TensorFlow).
• Strong familiarity developing with Databricks products and services.
• Experience working with APIs
• Practical experience shipping AI models to production (fine-tuning, evaluation, observability, and deployment).
• Ability to take ownership of complex technical tasks and deliver under tight timelines.
• Experience managing multiple initiatives simultaneously (scheduling, resource alignment, and stakeholder coordination).
• Excellent communication and cross-functional collaboration skills.
• Business-level proficiency in English (written and spoken).

Job Preferred

• Databricks certifications.
• End-to-end solution experience (data, model, service, UI) and systems design skills.
• Familiarity with MLOps and cloud platforms (AWS, Azure, GCP), including CI/CD and model serving.
• Azure certifications.
• Experience leading cross-functional engineering teams and mentoring talent.
• Business-level proficiency in Japanese (written and spoken).

Language requirement:

• English- business level (TOEIC 700)
• Japanese-business level (JLPT N2)

About Company

This company is one of the cores of technological innovation centers and attracts top engineers from all over the world. We have many companies and offices in Japan, offering various engineering and corporate roles. Our mission is to make lives easier and a world that's safer, healthier, greener, and smarter.