Sr Scientist, Development Chemistry

jj· 7555-Janssen Pharmaceutica NV Legal Entity
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📍 Beerse, Antwerp, BelgiumFull time💰 EUR 76K–117K
Full timeFully Onsite7555-Janssen Pharmaceutica NV Legal Entity

About this role

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 jnj.com.

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

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:

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine

Experience and skills

  • PhD, postdoctoral, or equivalent by research and development experience in organic chemistry, biochemistry, biology or related field.
  • Demonstrated expertise in enzyme-based conjugation technologies and site-specific protein modification.
  • Strong understanding of ADC design principles, including antibodies, linkers, payloads, and conjugation strategies.
  • Experience with protein characterization and related analytical techniques such as LC-MS, HPLC, SEC,  peptide mapping, or related methods.
  • Proficient in enzyme screening and engineering technologies for discovery and optimization of bioconjugation reactions.
  • Ability to develop internal and external network of contacts and collaborators across functions, sites, and scientific disciplines.
  • Proven track record of scientific excellence and successful research supported by peer-reviewed publications.
  • Excellent oral and written communication skills, fluent in English both verbal and in writing.

Key Behaviors

  • We strongly believe that the best science comes out of strong collaboration. Collaborative attitude to work in a multidisciplinary team with different backgrounds (education, gender, nationality, …) is a must!
  • Passionate to work in the lab in close collaboration with other team members.
  • Displays critical thinking and creativity in problem solving.
  • Proactive in finding opportunities for improvement and open attitude towards new approaches.
  • Mentors and develops colleagues in own areas of expertise and acts as a role model for others.
  • Can challenge the status quo in a constructive manner.
  • Excellent teammate which fosters new ideas and can create inclusive atmosphere.

Differentiating competencies

  • Familiarity with developability assessments, manufacturability considerations, and CMC requirements for bioconjugates.
  • Knowledge about the external landscape on emerging modalities and conjugation technologies.

#DPDS

 

 

Required Skills:

Biocatalysis

 

 

Preferred Skills:

Chemistry, Collaboration, Critical Thinking, Data Quality, Drug Discovery Development, Emerging Technologies, Execution Focus, Industry Analysis, Innovation, Interdisciplinary Work, Pharmaceutical Trends, Pharmacognosy, Pharmacology, Quantitative Research, Research Ethics, Scientific Research, Technologically Savvy

  

 

The anticipated base pay range for this position is:

€75,500.00 - €117,300.00

 

 

Benefits:

In addition to base pay, we offer the following benefits*: an annual bonus with set target (% of pay) depending on pay grade / location, where the actual amount is based on the employees’ and companies’ performance of the previous calendar year, or sales commissions. Moreover, we offer vacation days, parental leave for a minimum of 12 weeks, bereavement leave, caregiver leave, volunteer leave, well-being reimbursement, programs for financial, physical and mental health. We also offer service anniversary and recognition awards, and subject to the terms of their respective plans, employees - and in some location’s eligible dependents - can participate in several insurance plans. For more information, visit Employee benefits | Supporting well-being & career growth | Johnson & Johnson Careers.

 

*This is for informative purposes only. Amounts and actual benefits may vary by location and are subject to change.

 

 

Frequently Asked Questions

What is the salary for the Sr Scientist, Development Chemistry role at jj?
The listed salary for this Sr Scientist, Development Chemistry position at jj is EUR 76K–117K. This is an Full time role.
Where is the Sr Scientist, Development Chemistry position at jj located?
This Sr Scientist, Development Chemistry role at jj is based in Beerse, Antwerp, Belgium. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Sr Scientist, Development Chemistry role at jj full-time or part-time?
This is listed as a Full time position. It is posted as a Sr Scientist, Development Chemistry role in the 7555-Janssen Pharmaceutica NV Legal Entity department at jj.
Which team or department does the Sr Scientist, Development Chemistry at jj belong to?
This Sr Scientist, Development Chemistry position is part of the 7555-Janssen Pharmaceutica NV Legal Entity department at jj. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Sr Scientist, Development Chemistry position at jj?
Click the "Apply Now" button on this page. You will be redirected to jj's official application portal hosted on workday where you can submit your application directly.
When was the Sr Scientist, Development Chemistry job at jj posted?
This Sr Scientist, Development Chemistry position at jj was posted on Aug 31, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr Scientist, Development Chemistry
jj · 💰 EUR 76K–117K
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You'll be redirected to jj's official application page on Workday.