Generative AI Engineer, Design Quality Improvement

The role is part of the BR Digital Innovation Department, which develops and implements digital technologies, including generative AI, to transform company-wide business processes. The position is expected to join an AI-agent development team focused on improving design quality. Its work centers on structuring tacit knowledge from design processes and developing AI review technology that can support design reviews and related quality activities.

Responsibilities include organizing design rules, past defect cases, and the rationale behind design decisions into a usable knowledge base. The role designs and implements a knowledge platform using hybrid search and reranking, extracts entities and relationships, and improves inference and search through graph structures. It also designs agents that interactively elicit and structure designers’ decision criteria, develops automated AI review functions for design documents, and improves their accuracy. Coordination of requirements with business departments and external partners is also included.

Required qualifications are at least two years of experience designing and developing systems that use AI or machine learning, application development experience with Python, and experience designing or building systems for structuring business documents, search, or information extraction. Experience with RAG system design, construction, and accuracy improvement; knowledge-graph design or graph and LLM implementation; LLM-based document classification, summarization, or structuring pipelines; manufacturing design processes such as design reviews and change-point analysis; and application development or environment construction in AWS or Azure are welcomed.

The role calls for someone who independently researches and validates new technologies or methods, shares findings with the team, connects technology to solutions for business problems, and has intellectual interest in expressing and systematizing tacit business knowledge. English ability equivalent to TOEIC 550 or above is welcomed. English use is described as almost nonexistent for email, occasional for reading materials and documents, almost nonexistent for telephone conferences and business meetings, and generally not required for assignments abroad.

Employment is permanent and full-time. The stated salary is from 339,800 JPY per month, with an estimated annual salary of 6.1 million to 11.4 million JPY. Overtime pay is provided separately according to hours worked, and the final compensation is determined based on career experience, ability, and company regulations. The work location is the Daiba Development Center in Aomi, Koto-ku, Tokyo. The possible scope of location changes covers all sites, departments, and factories of Aisin and its related companies in Japan and overseas.

Standard working hours are 8:30 to 17:30, although hours may differ by factory, office, or other site. Some departments use a flextime system with no core hours and a standard eight-hour working day. The position includes a work-from-home system and remote work. The planned number of annual holidays for fiscal 2026 is 121, with a five-day working week and complete Saturdays-and-Sundays off. Seasonal, year-end, ceremonial, long-service, and annual paid leave are provided; annual paid leave is granted at a minimum of eight days three months after joining, and the posting states a 100 percent paid-leave utilization rate.

Benefits include family and commuting allowances, retirement benefits, company dormitories and housing, training, support for public certification and self-development, an employee shareholding plan, caregiving leave, a cafeteria, and assistance with employee-contribution pension plans. Other listed programs include company recreation facilities, member resorts, contracted sports facilities, an in-house childcare facility, defined-contribution pensions, and a company pension fund. Employment insurance, workers’ accident compensation insurance, employees’ pension insurance, and health insurance are provided. The office is entirely smoke-free indoors. Interviews may be conducted online or in person, with transportation expenses paid for in-person interviews.