About Spear Bio:Spear Bio is a well-funded and rapidly growing start-up headquartered in Woburn, Massachusetts. We are bringing to market a novel wash-free immunoassay platform with unprecedented sensitivity. The company's commercial focus is dedicated to revolutionizing early disease diagnosis and monitoring by providing scalable, ultrasensitive solutions that enable accurate measurement of low abundant biomarkers, empowering clinicians and researchers to improve patient outcomes and advance global health.TO APPLY FOR THIS POSITION, CLICK ON THIS LINK: Position Overview: We are seeking a highly motivated Senior Scientist with a specialization in Protein Science and Analytics, and a passion for cutting-edge research and innovation in ultrasensitive immunoassays. This role is perfect for an individual with domain expertise in protein characterization, purification, production, and engineering who thrives in a dynamic and fast-paced team environment. The successful candidate will have a deep understanding of bioconjugation techniques, protein production, and analytical characterization. As a Senior Scientist, you will contribute to the development and optimization of methods that enable immunoassay product development and characterization, working collaboratively with internal teams and external partners, including CDMOs. Key Responsibilities:
- Synthesize bioconjugates using established chemistries, contribute to the development of new bioconjugation methodologies, and optimize protein and antibody conjugation and purification methods using advanced chromatography techniques (size exclusion, ion exchange, affinity, and hydrophobic interaction).
- Characterize protein or bioconjugates using analytical techniques including UV/Vis, fluorescence, HPLC, and mass spectrometry (MS), and support quality control (QC) and quality assurance (QA) efforts as a Subject Matter Expert (SME).
- Engage with OEM partners for protein engineering, antibody production, and enzyme production, and participate in inspection readiness and regulatory compliance activities.
- Train team members in laboratory procedures, experiment design, and data analysis, while fostering a culture of learning and innovation through mentoring and leadership.
- Stay current with advancements in protein science, conduct literature reviews, and lead or support the development of novel methodologies and techniques.
Required Qualifications:
- Ph.D. in Biochemistry, Molecular Biology, Protein Science, or a related field with 3+ years of extensive, hands-on experience; or M.S. with 7+ years of extensive, hands-on experience in protein characterization, purification, and engineering.
- Proficiency in bioconjugation methodologies and analytical characterization techniques.
- Demonstrated ability to lead cross-functional teams and manage complex projects.
- Experience working with CDMOs and OEM partners in protein and antibody production.
- Experience with ultrasensitive immunoassays, including assay development and validation a plus
Attributes for Success:
- Passion for science and innovation.
- Excellent problem-solving and analytical skills.
- Strong organizational and multitasking abilities.
- Collaborative mindset with excellent communication and leadership skills.
TO APPLY FOR THIS POSITION, CLICK ON THIS LINK: We offer competitive compensation, with meaningful stock ownership, strong benefits, and a great work environment. This is an opportunity to enter a high-growth startup company at an early stage. We are recruiting candidates who have demonstrated leadership and excellence throughout their careers and are excited by the prospect of- and the effort involved in- building an industry-leading company.Spear Bio Inc. provides equal opportunity in employment to all persons. No person shall be denied equal access because of race, creed, color, religion, national origin, sex, sexual orientation, gender identity, age, or physical/mental disability.