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Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

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Jobs→弥生株式会社→[AI/Data Strategy Department] Seeking AI Engineers to Lead the Launch of a New Organization Aiming for 'AI Management' and 'Digital CFO' <Flex Time / Hybrid Work>

[AI/Data Strategy Department] Seeking AI Engineers to Lead the Launch of a New Organization Aiming for 'AI Management' and 'Digital CFO' <Flex Time / Hybrid Work>English summary from Japanese

弥生株式会社

✓ Detailed
Salary
800万円 〜 1,300万円
Apply on FINDY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Yayoi is establishing a new AI/Data Strategy Department to drive 'AI Management' and 'Digital CFO' initiatives. This role involves designing and implementing AI-powered solutions and agents to support the back-office operations of small and medium-sized businesses in Japan.

Must-haves

  • Experience designing and implementing systems in a production environment using machine learning or LLMs.
  • Experience collecting feedback from users/departments and translating it into evaluation criteria, data, and improvement measures.
  • Experience measuring and improving latency, cost, or throughput in relation to quality trade-offs.
  • Experience leading technical decisions and implementation through consensus building with business and product teams.
  • Willingness to proactively learn about accounting, tax, or back-office domains.

Nice-to-haves

  • Experience designing and building automated evaluation systems for LLMs.
  • Experience comparing, selecting, and migrating between multiple models or providers.
  • Experience adapting models using prompt design, RAG, tool usage, or fine-tuning.
  • Experience improving inference cost/speed using model routing, caching, or batch processing.
  • Experience organizing business requirements through customer interviews, observations, or user research.
  • Experience building or improving RAG and search infrastructure.
  • Experience managing data including PII removal, anonymization, and access control.
  • Experience with natural language processing applications like OCR or document analysis.
  • Knowledge or practical experience in accounting, tax, or corporate back-office operations.
  • Experience collecting and applying English technical information in daily work.

Tech stack

AWSSageMakerBedrockDatabricksJupyter LabSageMaker StudioPythonPyTorchPandasSlackZoomJiraConfluenceBacklogDocBase

Work style

Hybrid work with an expected one day per week in the Tokyo office. Flex time with core hours from 10:00 to 15:00.

About the Company

弥生株式会社

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Posted8/21/2026
Sourcefindy