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Jobs→フリー株式会社→Machine Learning Engineer (AI Lab / LLM Agent Development)

Machine Learning Engineer (AI Lab / LLM Agent Development)English summary from Japanese

フリー株式会社

✓ Detailed
Salary
8 million JPY - 12 million JPY
Apply on FINDY

Role summaryEnglish summary from Japanese

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

The AI Lab at freee is seeking a Machine Learning Engineer to develop and evaluate new products using LLMs and AI Agents. You will contribute to core technologies that automate routine tasks and support data-driven decision-making for freee's services.

Must-haves

  • Understanding and practical experience in physics, mathematics (including statistics), and machine learning (student research acceptable).
  • Skills in surveying and catching up on new technologies.
  • Experience leading projects with multiple stakeholders.
  • Experience introducing new ideas into products.
  • Experience developing end-user applications.

Nice-to-haves

  • Development, evaluation, and operation using LLM and AI Agent related technologies.
  • Interest in FDE (Forward Deployed Engineering / Foundation Data Engineering etc.) fields.
  • Experience developing and operating large-scale web services.
  • Experience optimizing service costs and performance.
  • Experience implementing image processing and DNN-based OCR technology.
  • Experience building large-scale data processing and MLOps infrastructure.
  • Knowledge of back-office operations such as accounting and payroll.

Tech stack

PythonRuby on RailsGoTensorFlowPyTorchscikit-learnvLLMstrands agent sdkEKSKubeflowGithub ActionsArgo CDDatadogSlackGitHubMLFlowArgo workflowsdbtlangfuseLookerClaude Codeterraform

Work style

Onsite in Tokyo or Osaka. Indoor smoking prohibited, outdoor smoking area available.

Other notes

Salary: Monthly ¥668,000 - ¥1,001,000 (Annual ¥8,000,000 - ¥12,000,000). Probationary period of 3 months. Discretionary labor system (deemed 10 hours and 15 minutes of work per day).

About the Company

フリー株式会社

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Posted7/17/2026
Sourcefindy