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Senior Scientist, Antibody Characterization

$136k - $170k

Xaira Therapeutics

Xaira Therapeutics seeks a Senior Scientist to characterize monoclonal and multispecific antibodies using biophysical platforms. This hands-on laboratory role supports discovery and development of novel biotherapeutics within an AI-focused biotech startup in South San Francisco.

Responsibilities

  • Perform high-throughput antibody characterization via BLI and SPR to determine binding, kinetics, and affinity
  • Screen antibodies for off-target binding using BVP ELISA and poly-specificity assays
  • Conduct early developability assessments on antibody panels using multiple biophysical platforms
  • Analyze experimental data, curate results, and present findings to cross-functional teams
  • Maintain experimental records in laboratory information systems and ensure compliance with safety protocols

Requirements

  • PhD in biophysics, biochemistry, structural biology, or related field with 5+ years industry experience
  • Extensive hands-on experience with BLI, SPR (Cartestra, Biacore), and ELISA platforms
  • Demonstrated expertise screening monoclonal, bispecific, and antibody-like molecules
  • Proficiency in protein production, purification, and characterization techniques (DLS, DSF, SEC)
  • Strong skills in data analysis software (GraphPad Prism) and statistical tools
  • Proactive self-starter with excellent problem-solving and troubleshooting abilities
  • Strong communication and collaborative skills for cross-functional teams

Compensation: $136,000 - $170,000 base salary annually

Vacancy posted 15 days ago
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