Astellas is seeking a Scientist I to support discovery formulation research in Japan. The role typically involves designing and optimizing formulations for early-stage drug candidates, conducting laboratory experiments, interpreting physicochemical and analytical data, documenting results, and collaborating with discovery, preclinical, analytical, and manufacturing teams. Candidates are expected to hold a degree in pharmaceutical sciences, chemistry, chemical engineering, or a related discipline; postgraduate research experience may be advantageous. Practical knowledge of formulation development, solubility, stability, dosage forms, and analytical techniques is desirable. The successful candidate should demonstrate sound scientific judgment, careful laboratory practice, effective communication, teamwork, problem-solving ability, and the capacity to manage multiple projects in a regulated pharmaceutical environment. Professional Japanese and English communication skills may be useful.
Astellas Pharma Inc. is a Japan-based global pharmaceutical company headquartered in Tokyo, with research, development, manufacturing, and commercial operations across many countries. The company focuses on creating innovative medicines in areas such as oncology, immunology, neuroscience, nephrology, ophthalmology, and rare diseases. Its research organization works across discovery science, translational medicine, clinical development, and advanced drug-delivery technologies. Astellas promotes collaboration between multidisciplinary teams and invests in scientific platforms intended to address diseases with significant unmet medical needs. Employees may work with international colleagues and external academic or biotechnology partners. The company offers career opportunities in laboratory research, clinical development, regulatory affairs, manufacturing, commercial operations, and corporate functions. Benefits and working conditions vary by role, location, employment type, and Japanese company policies.
Japan offers strong opportunities for pharmaceutical scientists, engineers, data specialists, healthcare professionals, and technology workers, especially around Tokyo, Osaka, Tsukuba, Yokohama, and Kobe. Workplaces commonly value punctuality, preparation, teamwork, respect for senior colleagues, and careful attention to quality. Japan provides excellent public transportation, reliable infrastructure, safe cities, diverse food, and access to mountains, beaches, and cultural sites. Tokyo is highly international but expensive; regional cities can offer a calmer lifestyle and lower housing costs. Foreign professionals generally need an employer-sponsored work visa, commonly under the Engineer/Specialist in Humanities/International Services or Research category, depending on duties and qualifications. A passport, degree documents, employment contract, and immigration paperwork are normally required. Relocating employees should arrange housing, residence registration, health insurance, a bank account, and potentially Japanese-language support. Learning everyday Japanese greatly improves workplace and community integration.
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