Sr Sci Chemical Research

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at

Job Function
Discovery & Pre-Clinical/Clinical Development

Job Sub Function
Chemical Research

Job Category
Scientific/Technology

All Job Posting Locations:
Beerse, Antwerp, Belgium

Job Description
Join J&J Innovative Medicine as a Synthetic Chemist in Process R&D

At J&J Innovative Medicine, we are committed to transforming lives through groundbreaking science and innovative therapies. Our Department of Chemical Process Research & Development (CPRD) is dedicated to developing cutting-edge synthetic methodologies and processes for small molecules, oligonucleotides, peptides, and emerging modalities. We are seeking a passionate Synthetic Chemist to join our Process R&D team and help accelerate the journey from discovery to life-changing medicines.

Your Role At J&J
As a vital contributor to our Development Chemistry team, you will lead efforts to design and optimize innovative synthetic routes that meet the highest standards of safety, quality, and efficiency. Working closely with engineers, analysts, crystallization, and safety experts, you will help translate laboratory discoveries into scalable, robust manufacturing processes. Your work will directly support the rapid development and supply of active pharmaceutical ingredients (APIs) for clinical trials, registration, and commercialization.

Key Responsibilities
Develop and implement creative, efficient synthetic processes for complex molecules.

Support process scale-up from laboratory to pilot plant, ensuring seamless technology transfer.

Collaborate across multidisciplinary teams to troubleshoot, optimize, and innovate manufacturing processes.

Contribute to our mission of delivering safe, effective, and accessible medicines to patients worldwide.

Drive continuous improvement and innovation in process chemistry, aligning with J&J's commitment to excellence.

What You Bring
Qualifications & Experience:

PhD in Organic Chemistry (Postdoctoral experience is a plus)

Demonstrated record of scientific excellence with peer-reviewed publications

Hands-on experience in state-of-the-art chemical laboratories

Creative problem-solver with a passion for innovation

Excellent communication skills in English (verbal and written)

Strong team collaborator with a proactive, constructive mindset

Willingness to challenge conventions and propose innovative solutions

Preferred Skills & Competencies
Experience with automated synthesis, lab reactors, and high-throughput experimentation

Interest or expertise in data analysis, AI, molecular modelling, and machine learning

Process chemistry expertise, including scale-up, engineering, and optimization

Familiarity with biocatalysis, transition metal catalysis, flow chemistry, photo-, and electrochemistry

Why J&J Innovative Medicine?

Be part of a global leader in healthcare innovation dedicated to making a difference

Collaborate with a diverse, inclusive team passionate about science and patient impact

Access state-of-the-art technology and professional growth opportunities

Contribute to projects that improve health outcomes worldwide

Ready to Innovate with J&J?

If you're motivated by scientific excellence and eager to contribute to transformative medicines, we want to hear from you Join us in shaping the future of healthcare—apply today