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Post-Doc Scientist Antibody Discovery & Engineering

SanofiVitry-Sur-Seine, FrancePosted September 23, 2026
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About the Role

We are looking for a highly motivated and talented Post-Doctoral Researcher to join our team in the Large Molecule Research platform at Sanofi. This position offers a unique opportunity to work on an ambitious and cutting-edge project focused on the discovery and engineering of 2-in-1 antibodies for the development of innovative therapeutic antibodies.

This is a complex and challenging project that will require strong scientific autonomy, versatility across multiple methodologies, and excellent collaborative skills in a cross-functional environment.

Key Responsibilities

Developing and implementing state-of-the-art technological methods for innovative antibody discovery using display technologies (phage display and/or yeast display)

Engineer and optimize 2-in-1 bispecific antibody formats for therapeutic applications

Perform biochemical and biophysical characterization of antibody candidates

Establishing robust and transferable methodologies, ready to be deployed in support of therapeutic areas

Conduct high-throughput screening and analyze large datasets with strong analytical rigor

Work in close collaboration with cross-functional teams

Present findings internally and contribute to publications and/or patent filings

Ensuring seamless integration of these new methods into the existing discovery pipeline

Required Profile

PhD in Protein Engineering or a related field

Industrial experience would be an asset

Demonstrated expertise in antibody discovery and/or engineering

Strong hands-on experience with display technologies (phage display and/or yeast display)

Solid knowledge of screening methodologies and biochemistry techniques

Bilingual: digitally fluent, and experimental mindset

Strong data analysis skills and ability to draw meaningful scientific conclusions

Ability to work autonomously while being a strong team player

Experience in cross-functional collaboration is a plus

Excellent written and oral communication skills in English

What We Offer

A stimulating scientific environment within a world-leading biopharmaceutical company

Access to state-of-the-art technologies and platforms

Opportunities to contribute to innovative therapeutic programs

A collaborative and inclusive team culture

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