Finex Co., Ltd.
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Postdoctoral Researcher / Senior Data Analysis Researcher in Medical AI, Neuroscience, and Ophthalmology Finex Co., Ltd. in Japan
Degree Level
Postdoc
Field of study
Computer Science
Funding
Contract position with annual income of 6 million to 15 million yen, plus overtime pay separately. Salary is determined after interview based on experience, skills, and work location. Fixed-term 1-year contract with possible conversion to permanent employment depending on suitability and performance.
Deadline
Dec 31, 2026
Country
Japan
University
Finex Co., Ltd.

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About this position
Finex Co., Ltd. is recruiting a Postdoctoral Researcher / Senior Data Analysis Researcher for its Core Technology Lab in Tokyo, Japan. The role focuses on medical AI, machine learning, biomedical data analysis, neuroscience, and ophthalmology, with research using biometric data such as eye movement, visual field testing, and retinal sensitivity maps.
The position is designed for someone who can work across the full pipeline: hypothesis generation, analysis strategy design, model construction, PoC development, and product implementation. The company emphasizes practical deployment in real medical settings, not only publication-oriented research. Topics mentioned include decision-making models, statistical analysis, deep learning, reinforcement learning, time series analysis, Bayesian inference, optimization, Transformers, Active Learning, and Bayesian Optimization.
Eligibility highlights: a degree in science, biology, medicine, or information science; either at least one peer-reviewed first-author paper or at least 3 years of practical experience in data analysis/model development. Preferred backgrounds include a master's or Ph.D. and experience in medical AI, medical imaging, neuroscience, biosignals, or product-oriented R&D.
Funding and terms: annual income is listed as 6 million to 15 million yen, with overtime paid separately. This is a fixed-term contract role for 1 year, with possible conversion to permanent employment depending on performance and company decision.
Location: Tokyo, Japan (Otemachi, Chiyoda-ku). Deadline: December 31, 2026, or earlier if a suitable candidate is found.
Apply by submitting a resume and list of achievements through the HRMOS application form. Email and direct JREC-IN portal applications are not available.
Funding details
Contract position with annual income of 6 million to 15 million yen, plus overtime pay separately. Salary is determined after interview based on experience, skills, and work location. Fixed-term 1-year contract with possible conversion to permanent employment depending on suitability and performance.
What's required
Applicants should have a Ph.D., master's degree, or bachelor's degree in science, biology, medicine, or information science. Required experience includes either at least one peer-reviewed first-author paper or at least 3 years of practical experience in data analysis and model development using machine learning or statistical analysis. Preferred qualifications include a master's or Ph.D., research experience in medical AI, medical imaging, information science, or neuroscience, and experience with deep learning, reinforcement learning, time series analysis, Bayesian inference, optimization, Transformers, decision-making, sequential optimization, Active Learning, Bayesian Optimization, image/time-series/sensor/biosignal analysis, and PoC-to-product implementation.
How to apply
Prepare a resume and list of achievements and submit them through the HRMOS application form. Direct JREC-IN portal web application and email application are not available. Applications are accepted until December 31, 2026 or until the position is filled.
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