Scientist II-Immunoassay

Job Summary

We’re looking for a motivated scientist to drive the development and commercialization of flow cytometry‑based multiplex bead assays within our LEGENDplex product portfolio. In this role, you’ll contribute to new product development from concept through transfer to QC, Manufacturing, and Commercial teams, ensuring high‑quality launches that support Bio Legend’s strategic goals.

This position is ideal for someone who thrives in a fast‑paced biotech environment, communicates effectively, and takes pride in owning projects from start to finish. You’ll gain hands‑on experience across the full product lifecycle while working within a collaborative and growing product development team.

• Design and conduct research and experiments in feasibility, optimization, and validation for immunoassay product development.
• Expertise in mammalian cell culture techniques.
• Proactively manage and track active projects with potential deliverables to multiple business functions.
• Support immunoassay assay troubleshooting, root‑cause analysis, and process improvement.
• Complete all documentation, including SOPs, DMR Index, project records, and product instructions required for new product launch.
• Provide data‑driven updates and collaborate with Immunoassay Manufacturing and QC teams throughout the product development process.
• Prepare technical reports, summaries, protocols, and quantitative analyses.
• Conduct project‑related literature searches.
• Operate lab instruments according to procedures; prepare reagents as required.
• Contribute to scientific discussions and collaborations and present results.
• Apply knowledge of scientific principles and concepts to the design, development, and execution of experiments.
• Other projects or responsibilities may be required.

• PhD in Biological Sciences (e.g., biology, biotechnology, immunology, cell biology, biochemistry) or related field.
• 5+ years of experience and strong knowledge of immunoassay methods used for protein analysis, with experience in at least one of the following assay formats: flow cytometry‑based multiplex bead‑based immunoassays (e.g., Luminex platform), ELISA, ELISpot, or ECL.

• Postdoctoral training is preferred.
• Industry experience is preferred.
• Proven research and publication track record.
• Leadership and management experience.
• Experience in manufacturing or product development setting in compliance with ISO
  13485 and MDSAP standards is a plus.
• Demonstrated proficiency with Excel, PowerPoint, Graph Pad Prism, and Word.
• Excellent written and verbal communication skills and the ability to understand, prepare, and communicate technical scientific information to a wide range of audiences.
• Highly organized and detail‑oriented.
• Enthusiasm, attention to detail, ability to meet aggressive deadlines, and ability to work effectively with others in a fast‑paced, highly productive environment.
• Excellent cross‑functional team participation skills.
• Results and goals oriented.
• Commitment to quality.

While performing the duties of this job, the employee regularly works in a laboratory environment with occasional data entry on a computer. Occasional exposure to a warehouse environment. The employee is required to use hands and fingers to handle, feel, or operate objects, tools, or controls, and reach with hands and arms. The employee frequently stands, talks, and hears.

Base salary range: $118,000 – $147,500. The base pay actually offered will take into account internal equity, work location, and additional factors, including job‑related skills, experience, and relevant education or training.

• Medical, Dental, and Vision Insurance Options
• Life and Disability Insurance
• Paid Time‑Off
• Parental Benefits
• Compassionate Care Leave
• 401(k) with Company Match
• Employee Stock Purchase Plan

Applicants must be currently authorized to work in the United States on a full‑time basis for any employer.