? Location: Haridwar,Uttarakhand

About Quraxia
At Quraxia, we’re building a next-generation pharmaceutical R&D; and innovation ecosystem — dedicated to discovering, developing, and delivering breakthrough therapies that improve patient outcomes. Our newly established state-of-the-art facility is designed to foster cutting-edge science, collaborative innovation, and ethical excellence in every project we undertake.

? Learn more: www.quraxia.com

Role Overview
The Senior Chemist will play a key role in the design, development, and characterization of complex biomolecules including antibody-drug conjugates (ADCs), peptides, proteins, and oligonucleotides. The role requires robust expertise in bioconjugation chemistry, biomolecule analysis, and collaborative research workflows. The Senior Chemist will support discovery and development programs by executing experiments, generating high-quality data, and coordinating closely with cross-functional scientific teams.

Key Responsibilities

ADC (Antibody-Drug Conjugate) Development




• Contribute to the design and optimization of bioconjugation strategies for antibodies with chemical linkers and payloads.
• Perform analytical characterization of ADCs, including assessment of conjugation efficiency, heterogeneity, and stability.
• Support in vitro evaluation of ADC candidates through collaboration with cell biology and bioassay teams.
• Document experimental findings, maintain batch records, and support development reports.

Peptide & Protein Chemistry
• Assist in synthesis, modification, and purification of peptides and recombinant or engineered proteins.
• Characterize peptides/proteins using biochemical and biophysical methods (HPLC, LC-MS, SDS-PAGE, UV-Vis).
• Support formulation and stability studies to evaluate product behavior under various conditions.
• Troubleshoot experimental challenges and propose improvements to workflows.

Oligonucleotide Chemistry
• Support chemical modification or conjugation of oligonucleotides

📌 Senior Scientist (Haridwar)
🏢 Quraxia Pharmaceuticals
📍 Haridwar