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Scientist/Senior Scientist, Assay Development

Spear Bio, founded in 2021, is a well-funded and rapidly growing start-up headquartered in Woburn, Massachusetts.  Our proprietary technology, Successive Proximity Extension Amplification Reaction (SPEAR), is a novel wash-free immunoassay platform, offering unprecedented sensitivity. We are dedicated to revolutionizing early disease diagnosis and monitoring by providing scalable, ultrasensitive solutions that deliver unparalleled accuracy in measuring low-abundant biomarkers, enabling clinicians and researchers to improve patient outcomes and advance global health.

Scientist/Senior Scientist, Assay Development:

The Scientist/Senior Scientist will play a pivitol role in advancing Spear Bio’s assay development activities for our new range of ultrasensitive immunoassays. The role will have cross-functional responsibilities reporting to the Head of Assay Development, but also interfacing with Platform and Product Development teams. This individual should have a strong track record in immunoassay development for research and clinical applications.

Responsibilities:

  • Develop a portfolio of assays and be involved in qualifying and/or validating assays for research and clinical use.

  • Design and develop ELISA based assays for ultrasensitive detection of analytes including antibody selection, conjugation of reagents and chemistries, sample preparation and handling, data analysis methodologies.

  • Design and perform experiments to demonstrate feasibility, and characterize performance and robustness (dynamic range, limit of detection, spike and recovery, precision, accuracy, and assay linearity) of ELISA based assays.

  • Contribute to scientific literature and conferences, internal reports, documents and communications including the writing and/or creation of abstracts, peer-reviewed journal articles, poster presentations, and marketing materials.

  • Maintain familiarity with current technology related information and/or literature and conducts project related information searches and may be involved in extensive literature searches. 

  • Oversee/mentor junior level staff to guide them on projects

Qualifications:

  • Degree in with proven hands-on experience. BS/MS with 6-8+years of relevant experience, or Ph.D. with 2+ years of relevant experience in immunoassay development experience in an industrial setting (e.g., IVD, clinical trials, contract research, or pharmaceutical/biotechnology).

  • Deep technical experience in immunoassay development including but not limited to: protein chemistry, antibody screening, antibody conjugation, assay diluent formulation, multiplexing, preanalytical sample processing, scale-up, assay optimization and troubleshooting, Real-Time PCR, immunoassays (immunoblotting and ELISAs) and gel-based assays (SDS-PAGE and CE-SDS), multivariate data analysis; analytical validation; clinical validation.

  • Subject matter expertise in the field of protein biomarkers for neurodegeneration or immuno- oncology 

  • Advanced understanding of ligand binding assays and diverse analytical formats and platforms including colorimetric/electrochemiluminescence/luminescence/fluorometry-based assays and experience with typical analytical systems, (e.g. MSD, Molecular Devices, Luminex, Ella, Quanterix, Octet, Biacore).

  • Strong analytical and problem-solving skills, with demonstrated knowledge of statistical methodologies including DoE experience working within a cGMP/ GLP, and ISO regulated quality system.

General Qualifications:

  • Must be able to work independently and have a strong understanding of the theory and biology behind the application and products.

  • Strong presentation and interpersonal skills with the ability to establish collaborative working relationships and become a key contributor within the assay development, platform, and product teams.

  • Excellent project management skills with an ability to manage and organize work around multiple and changing priorities.

  • Work 100% on site in Woburn, MA .

We offer competitive compensation, with meaningful stock ownership, strong benefits, and a great work environment. This is an opportunity to enter an innovative, high-growth startup at an early stage. We are focused on identifying candidates who have demonstrated leadership and excellence throughout their careers and are excited by the prospect of 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.

Spear Bio does not accept blind resume submissions from external recruiting agencies. Any unsolicited resumes or candidate information submitted without prior written agreement will be deemed the property of Spear Bio, and no placement fees will be paid.

Average salary estimate

$110000 / YEARLY (est.)
min
max
$90000K
$130000K

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What You Should Know About Scientist/Senior Scientist, Assay Development, Spear Bio

At Spear Bio, located in the heart of Woburn, Massachusetts, we're on an exciting mission to revolutionize early disease diagnosis and monitoring, and we're inviting you to be a part of this journey as our next Scientist/Senior Scientist in Assay Development. Launched in 2021, we leverage our innovative Successive Proximity Extension Amplification Reaction (SPEAR) technology to provide unparalleled sensitivity in measuring low-abundance biomarkers. As a Scientist/Senior Scientist, you will play a crucial role in the development of ultrasensitive immunoassays. Your day-to-day will involve designing and qualifying assays for both research and clinical applications, ensuring you'll have the freedom to innovate and experiment. Whether you're working on ELISA-based assays or mentoring junior staff, your expertise in immunoassay development will be invaluable. You'll also collaborate closely with cross-functional teams, contributing to cutting-edge scientific literature and presentations. We're looking for someone with a solid track record in immunoassay development and a deep understanding of protein biomarkers for neurodegeneration or immuno-oncology. If you're passionate about advancing global health and creating impactful solutions, we can't wait to hear from you!

Frequently Asked Questions (FAQs) for Scientist/Senior Scientist, Assay Development Role at Spear Bio
What are the primary responsibilities of the Scientist/Senior Scientist, Assay Development at Spear Bio?

The Scientist/Senior Scientist, Assay Development at Spear Bio is responsible for advancing assay development for our ultrasensitive immunoassays. This includes designing and qualifying assays, conducting experiments to ensure performance and robustness, as well as mentoring junior staff. You'll also contribute to scientific literature and collaborate with cross-functional teams to ensure innovative solutions are delivered.

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What qualifications are required for the Scientist/Senior Scientist position at Spear Bio?

To qualify for the Scientist/Senior Scientist position at Spear Bio, candidates should hold a degree in a relevant field with substantial hands-on experience—BS/MS with 6-8+ years or a Ph.D. with 2+ years in immunoassay development. Deep expertise in protein chemistry, assay optimization, and knowledge of various analytical platforms are essential to succeed in this role.

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What kind of work environment does Spear Bio offer for the Scientist/Senior Scientist position?

Spear Bio provides a dynamic and collaborative work environment, where creativity and innovation are encouraged. Operating in a high-growth startup atmosphere, this role is entirely on-site in Woburn, MA, allowing for real-time teamwork and hands-on project management. With competitive compensation and meaningful stock ownership, you’ll be well-compensated for your contributions.

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What are the key skills needed for success as a Scientist/Senior Scientist at Spear Bio?

Successful candidates for the Scientist/Senior Scientist position need strong analytical and problem-solving skills, a deep understanding of immunoassay development, and excellent project management capabilities. Being adept in statistical methodologies and possessing strong interpersonal skills for collaboration with diverse teams will also give candidates an edge.

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How does the Scientist/Senior Scientist role contribute to Spear Bio’s mission?

The Scientist/Senior Scientist role at Spear Bio is vital for advancing our mission to provide scalable, ultrasensitive diagnostic solutions. By developing innovative immunoassays, this position directly impacts the accuracy of disease diagnosis, ultimately improving patient outcomes and advancing global health.

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Common Interview Questions for Scientist/Senior Scientist, Assay Development
Can you describe your experience with immunoassay development?

When answering this question, focus on specific immunoassays you have developed, detailing the processes and technologies you have used. Illustrate your problem-solving approach during challenges and highlight your contributions to successful projects.

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What methods do you use for assay optimization?

Discuss various methodologies you've employed for optimizing assays. This could include techniques like DoE, statistical analysis for evaluating assay performance, and how you have addressed specific assay challenges in past projects.

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How do you stay updated with advancements in immunoassay technology?

A strong answer would include research methodologies like following relevant journals, attending conferences, or joining professional groups. Emphasize the importance of ongoing education and how you apply new knowledge to your work.

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Describe a challenge you faced in assay development and how you overcame it.

Provide a specific example of a challenge from your experience, outlining the context, your approach to resolving the issue, and the outcome. This showcases your critical thinking and problem-solving abilities.

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How do you prioritize your work when managing multiple projects?

Your response should demonstrate your project management skills. Explain how you assess project requirements, set milestones, and adapt to changing priorities, focusing on technologies or tools you use for tracking progress.

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What experience do you have with analyzing and interpreting assay data?

Focus on your familiarity with statistical tools, data analysis methodologies, and how you’ve translated assay data into actionable insights. Mention specific software or platforms that you’ve used in your previous roles.

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Can you explain your expertise in protein biomarkers for neurodegeneration or immuno-oncology?

Outline your knowledge in this area, including specific biomarkers you have worked with. Discuss your understanding of the implications for patient outcomes and how you’ve approached research or development in these fields.

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What role do you think mentorship plays in scientific development?

Elaborate on your experiences mentoring others, showcasing the importance of knowledge transfer and team collaboration. Highlight how effective mentorship contributes to a productive, innovative environment.

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How have you contributed to scientific literature or conferences?

Highlight any publications, presentations, or posters you have created. Discuss the significance of your contributions, how they reflect your expertise, and the impact they had on your career and the scientific community.

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Why do you want to work at Spear Bio as a Scientist/Senior Scientist?

Convey your passion for the company's mission and how your skills align with their needs. Discuss your enthusiasm for working in a startup setting, contributing to impactful research and innovation, and being part of a dedicated team.

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TEAM SIZE
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HQ LOCATION
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EMPLOYMENT TYPE
Full-time, on-site
DATE POSTED
March 18, 2025

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