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HIROTSU Bioscience Co., Ltd.

Bioinformatics Researcher / Postdoc-Equivalent Opening in Single-Cell and Spatial Transcriptomics KOTAI Biotechnologies Co., Ltd. in Japan

Degree Level

Postdoc

Field of study

Immunology

Funding

Annual salary is 5 million to 9 million yen, determined by experience and achievements, paid on an annual basis. Full social insurance is provided, commuting transportation is supported with an upper limit, and the role may be a permanent employee or fixed-term contract with annual renewal; there is no raise system, and bonuses are not guaranteed.

Deadline

Oct 31, 2026

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Country

Japan

University

HIROTSU Bioscience Co., Ltd.

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Keywords

Immunology
Computer Science
Information Technology
Biology
Single-cell Analysis
Data Mining
Medical Science
Clinical Informatics
Next-generation Sequencing
Statistics
Bioinformatic
Spatial Transcriptomic
ML

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About this position

KOTAI Biotechnologies Co., Ltd. is recruiting bioinformatics researchers in the Osaka Prefecture area of Japan for work in single-cell analysis, spatial gene expression / spatial transcriptomics, and immune repertoire analysis. The role is positioned as researcher/postdoc-equivalent and also includes research and development / technical staff responsibilities.

The team develops and provides analytical services, builds bioinformatics pipelines, and supports customers and collaborators in both industry and academia. The company highlights interdisciplinary work at the interface of life sciences, medical informatics, and computational analysis, with applications to biomarkers, drugs, vaccines, and medical research.

Eligibility highlights: Ph.D., Master's, or Bachelor's degree accepted, though Ph.D. holders are especially welcome. Applicants should have research experience with single-cell analysis (e.g., 10x, Rhapsody) and at least one publication, the ability to independently design and execute bioinformatics research, programming skills in Python/R/SQL sufficient to implement pipelines, statistical and mathematical foundations, at least 3 years of research experience, and strong English and collaboration skills.

Preferred background: collaborative publications with experimental or clinical researchers, immunology collaboration experience, machine learning or data mining experience, and wet-lab experience. The company also welcomes applicants from other fields such as engineering who want to apply their experience to medical research.

Location: Minoh City, Osaka Prefecture, Japan. Remote work is negotiable. Employment: permanent employee or fixed-term contract; annual salary 5–9 million yen; social insurance and commuting support provided.

Deadline: October 31, 2026 (or earlier if a suitable candidate is found). How to apply: submit your resume, work history, achievements, publication copies, and referee contacts/letters via JREC-IN web application or by email to [email protected].

Funding details

Annual salary is 5 million to 9 million yen, determined by experience and achievements, paid on an annual basis. Full social insurance is provided, commuting transportation is supported with an upper limit, and the role may be a permanent employee or fixed-term contract with annual renewal; there is no raise system, and bonuses are not guaranteed.

What's required

Applicants should have a Ph.D., Master's, or Bachelor's degree, with preference for Ph.D. holders. Required: research experience using single-cell analysis (e.g., 10x, Rhapsody) with at least one publication; ability to independently plan and carry out bioinformatics research with at least one first-author paper or equivalent; programming skills in Python, R, and/or SQL sufficient to implement pipelines; mathematical foundation including statistics and undergraduate-level science/engineering mathematics; at least 3 years of practical research experience; English communication ability; and strong communication skills with experimental researchers. Preferred: at least 3 collaborative papers with experimental/clinical researchers, immunology collaboration experience, machine learning or data mining experience, and wet-lab in vitro experience.

How to apply

Prepare and submit your resume, work history, list of achievements, up to 5 major publication copies, and contact information or recommendation letters from at least two referees. Apply by JREC-IN web application, or email [email protected]; postal submission is also described in the notice. Applications are accepted until October 31, 2026, or until the position is filled.

More information can be found here

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