Job Description

Yashraj Biotech is seeking a highly motivated Scientist with 4–5 years of industrial experience in antibody bioconjugation, immunoassay development, and diagnostic reagent development. The candidate will work in the development and optimization of antibody-latex conjugates for immunoturbidimetric assays while collaborating with multidisciplinary R&D; and Quality teams to deliver robust diagnostic products.

Key Responsibilities

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- Design, execute, and optimize antibody purification, characterization, and bioconjugation workflows.
- Develop EDC/NHS-based covalent conjugation strategies for latex and nanoparticle-based diagnostic reagents.
- Optimize antibody loading, blocking conditions, coupling chemistry, and conjugate stability.
- Develop and optimize immunoturbidimetric assays (ITA)
- Design and execute DOE-based optimization studies for conjugation efficiency and assay performance.
- Evaluate analytical performance including sensitivity, specificity, linearity, precision, agile range, and robustness.
- Troubleshoot conjugation, assay performance,



and reagent stability issues.
- Maintain accurate experimental documentation, SOPs, technical reports, and development records in compliance with GLP.
- Mentor junior scientists, trainees, and interns in laboratory techniques and experimental planning.
- Participate in technology transfer activities and support manufacturing scale-up of developed reagents.

Cross-Functional Responsibilities

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- Collaborate with Polyclonal and Monoclonal Antibody R&D; teams for antibody selection and characterization.
- Work closely with Quality Control (QC) during analytical validation and product performance evaluation.
- Coordinate with Quality Assurance (QA) to ensure compliance with documentation, change control, and regulatory requirements.
- Support Manufacturing in process optimization and troubleshooting during scale-up.
- Participate in product development meetings, technical reviews, and root-cause investig

📌 Scientist - Antibody Conjugation (Mumbai)
🏢 yashraj biotechnology
📍 Mumbai