Spear Bio · 5 hours ago
Scientist/Senior Scientist, Immunoassay Product Development
Woburn, MA
Full-time
Onsite
Mid, Senior Level
$115K/yr - $115K/yr
2+ years expSpear Bio is a rapidly growing biotech start-up headquartered in Woburn, Massachusetts, focused on revolutionizing early disease diagnosis with their novel immunoassay platform. They are seeking a Scientist or Senior Scientist to develop, optimize, and commercialize next-generation immunoassay products, while acting as a subject matter expert in troubleshooting and ensuring product robustness.
BiotechnologyHealth CareHealth Diagnostics
Responsibilities
Plan, develop, and coordinate immunoassay product, process or test method development or project improvement with a high degree of creativity, foresight, and mature judgment
Independently design, execute, and analyze experiments to justify technical decisions
Document experimental results in detail, prepare technical reports, and communicate findings effectively to both technical and non-technical stakeholders
Serve as the subject matter expert for immunoassay products, leading root cause investigations and implementing corrective actions while leveraging interdisciplinary expertise across biology, chemistry, engineering, and materials science to address complex technical challenges
Identify opportunities for product and process improvements, assay scalability, and cost effectiveness to strengthen performance and competitiveness
May mentor junior scientists and contribute to fostering a culture of scientific rigor, creativity, and collaboration within the organization
Qualification
Required
Ph.D. in Biochemistry, Immunology, Molecular Biology, Bioengineering, or a related field, with strong record of innovations or scientific publications
2+ years of relevant postdoc or industry experience independently developing immunoassay products (e.g., ELISA, multiplex assays, Simoa, MSD, ECL, or bead-based platforms) preferred
Experience with assay validation, transfer to manufacturing, and product commercialization
Excellent data analysis, problem-solving, and critical thinking skills
Outstanding communication skills, both written and oral, with ability to clearly present complex data
Ability to thrive in a fast-paced, entrepreneurial environment with a hands-on and collaborative mindset
Benefits
Meaningful stock ownership
Comprehensive benefits
Company
Spear Bio
Spear Bio is a biotech company that focuses on the detection of ultrasensitive protein.
11-50 employees
H1B Sponsorship
Spear Bio has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (3)
2022 (2)
2021 (1)
Funding
Current Stage
Early StageTotal Funding
$45M2024-07-29Series A· $45M
2023-11-13Seed
Leadership Team
Feng Xuan
Co-Founder & CEO
Recent News
2026-01-17
Company data provided by crunchbase