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Associate Scientist, Downstream Process Development, Japan, Biotherapeutics Process Development

Japan Takeda Pharmaceuticals ¥5,500,000–¥9,000,000 per year*
Job Description

This role supports downstream process development for biotherapeutics at Takeda’s Japan site. Candidates are generally expected to hold a degree in biotechnology, biochemistry, chemical engineering, pharmaceutical sciences, or a related field, along with practical laboratory experience in protein purification or bioprocessing. Familiarity with chromatography, filtration, tangential flow filtration, process characterization, analytical techniques, and basic data analysis is valuable. The successful candidate should work carefully and collaboratively, document experiments accurately, interpret results, and communicate findings in English and Japanese where required. The role expects strong laboratory discipline, an interest in developing scalable manufacturing processes, problem-solving ability, and a commitment to quality, safety, regulatory standards, and continuous improvement.

Company Info

Takeda Pharmaceutical Company is a global, research-driven biopharmaceutical company headquartered in Japan. Founded in 1781, it operates in more than 80 countries and regions, combining Japanese heritage with an international focus on innovative medicines. Takeda’s key therapeutic areas include gastrointestinal and inflammation, rare diseases, plasma-derived therapies, oncology, neuroscience, and vaccines. The company invests heavily in research, clinical development, biologics manufacturing, and advanced process technologies. Its Japan operations include important research and production facilities, including the Shonan Research Center in Fujisawa. Takeda emphasizes patient needs, scientific excellence, ethical conduct, inclusion, and responsible business practices. Employees typically work in cross-functional, multicultural teams and contribute to products that move from early research through commercial manufacturing and global supply.

Destination Guide

Japan offers strong opportunities in pharmaceuticals, biotechnology, engineering, technology, healthcare, manufacturing, and research, particularly around Tokyo, Yokohama, Osaka, and Shonan. Workplace culture values punctuality, preparation, respect, teamwork, and attention to detail, although international companies such as Takeda often use more collaborative global practices. Lifestyle varies from energetic urban living to quieter coastal and suburban communities. Public transport is excellent, healthcare is reliable, and daily life is generally safe, though housing and commuting near Tokyo can be expensive. Foreign employees commonly need a work visa, usually supported by the employer; scientific roles may qualify under an Engineer, Specialist in Humanities, International Services, or highly skilled professional category, depending on qualifications and duties. Candidates should prepare degree certificates, employment records, passport documents, and, where needed, Japanese translations. Learning basic Japanese is highly beneficial for administration and everyday communication.

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