Business Development Manager, Custom Assay Services (Greater Boston)
Spear Bio
Woburn, MA · $140k–$160k a year · Posted October 20, 2026
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Where Woburn, MA ranks
Where Woburn, MA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #5Best cities for junior jobs in Massachusetts27% · of 20
- #7Best all-round cities for new graduates in New England48 / 100 · of 11
- #9Best cities for junior jobs in New England27% · of 28
- #9Best cities for pay after cost of living in Massachusetts$121k · of 9
- #10Best cities for software and engineering jobs in New England73 openings · of 24
- #11Cities with the most hybrid jobs in New England12% · of 27
Rankings about sales jobs
- Best cities for sales jobs #1 New York (2,774 openings)
- Best cities for sales pay after cost of living #1 Santa Clara ($175k)
- Most requested AI skills in sales jobs #1 AI tools in daily work (4.1%)
- AI tools named most often in sales jobs #1 Gong (0.93%)
- Employers with the most sales jobs #1 Charter Communications (389 roles)
Pay compared with the market
This listing pays about $150,000 a year. Across 75 open business development manager listings that state pay, the middle half runs $98,000 to $148,000 and the median is $120,000. That is 25% above the median, above the middle half of those listings.
Listed pay is what employers advertise, not what people are paid.
Business Development Manager salaries by state · Check your own pay
How AI is used in this kind of work
AI use among sales managers is little observed so far. Measured exposure for sales managers: 4% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Spear Bio, founded in 2021, is a well-funded and rapidly growing biotech 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.
SUMMARY:
Spear Bio is seeking a top-performing Business Development Manager to introduce and sell our Custom Assay Services clinical business. You will promote Spear Bio's value proposition, and support the application and adoption of our best-in-class custom assay solutions in the Life Sciences and IVD markets. This includes:
· Prospecting for Key Customers and Opinion Leaders to secure projects where Spear Bio solutions are a best fit and offer high value; bringing these opportunities to our technical leader to help build out project specs and act as technical lead with the customer to deliver a successful outcome.
· Communicating Spear Bio's portfolio of superior, sensitive, specific, and top performing assays with the flexibility to customize solutions for customers' scientific requirements.
· This role is expected to 40-50%, primarily in the Northeast, and less often throughout the rest of the US. May be asked to travel to Europe for conferences, though infrequently.
ESSENTIAL DUTIES AND RESPONSIBILITIES:
· Lead Commercial Assay Development Service efforts for Spear Bio by directly driving revenue growth with a strong funnel of applications to expand utilization of the technology.
· Partner with our Business Development team to leverage their activities, while working with our Assay Services technical leader in providing solutions to the market
· Utilize your network to expand the outreach of our offering to the relevant markets.
· Specifically look for Biomarker opportunities to run samples and develop solutions that will provide strong impressions of our ability to provide best-in-class solutions to the market.
· Work closely with our scientific teams to establish our capabilities and expectations in the lab, and ensure they support the needs of the assay development services program. More technical direction will be provided by our Assay Services technical leader.
· Support our current process and work project format to provide efficiency and manage expectations for our customers and internal stakeholders in providing assay development services.
· Develop a concise business plan, and regularly review funnel and opportunities to meet key milestones and accomplishments which expand our efforts for this key piece of the Spear offering.
· Provide regular updates and forecasting to your manager and other internal stakeholders.
· Dedicate time to understanding where opportunities and gaps exist.
• Follow all company guidelines, with the highest moral ethics in conducting your activity.
SKILLS REQUIRED:
• Direct experience working at a CRO, selling custom services offerings.
- Advanced degree in Biology, Biochemistry, Bioengineering or related field, with 5+ years of an established track record in technical sales or business development presenting ultrasensitive immunoassays or neurology IVD products to customers.
• Knowledge of protein biomarkers and a customer base of clients relevant to our market value proposition.
• High quality and pro-active communicator with high energy and strong work ethic for success.
- Ability to ask the right questions of potential customers to then strategically communicate how Spear Bio's differentiated technology and performance will directly benefit them over the competition.
• Positive, collaborative, and team oriented to drive company success and meet all challenges.
• Deep understanding of Neuroscience market dynamics and immunoassay technology adoption which positions and drives confidence in Spear Bio customers that we are a superior, best-in-class solution.
• Knowledge of various markets within the Life Sciences including Pharmaceutical, Biotechnology, and Academic market segments, as well as knowledge of the IVD markets a plus.
• Experience meeting with higher level scientific contacts in the market segments of interest.
• Strategic mindset and the ability to translate your observations and strategy into actionable goals.
• Comfortable giving and receiving feedback designed to improve engagement.
We offer competitive compensation, meaningful stock ownership, comprehensive benefits, and a great work environment. This is an opportunity to enter an innovative, high-growth startup at an early stage and play an integral role in the company's growth and success. 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 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.