R&D Sr. Scientist, Pipeline

castlebiosciences; Friendswood (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Bonus potential

PTO

401K match

Health care plan

Stock grant

Job summary

Castle Biosciences Inc. is seeking an R&D Sr. Scientist, Pipeline, to join our Friendswood, TX team.

You will evaluate, develop and validate clinical devices and biomarkers to enhance diagnostic and prognostic capabilities, collaborating across functions to build robust study plans and deliverables. The role involves supporting clinical research documentation, data interpretation, and communicating findings to internal teams and healthcare partners.

Qualifications

• Master's or PhD in life sciences or a bachelor's degree with 3 years of postgraduate medical writing experience in life sciences or biotech.
• PhD level training in life sciences or biomedical engineering.
• Ability to communicate and teach in a complex environment.

Responsibilities

• Evaluate, develop and validate clinical devices and molecular biomarkers to improve diagnosis, prognosis, and prediction of response to therapy.
• Collaborate with cross-functional teams to create business cases, study protocols and analysis plans.

Education

Master's or PhD in life sciences

PhD level training in life sciences or biomedical engineering

Job description

Castle Biosciences Earns "Top Workplaces USA Award" for Phoenix, Pittsburgh, and Friendswood!

Learn more at www.CastleBiosciences.com

Castle Biosciences Inc. is growing, and we are looking to hire a full-time R&D Sr. Scientist working from our Friendswood, TX headquarters with a start date of September 15, 2026.

Why Castle Biosciences?

Exceptional Benefits Package:

• Excellent Annual Salary + 20% Bonus Potential
• 20 Accrued PTO Days Annually + 10 Paid Holidays
• 401K with 100% Company Match up to 6%
• 3 Health Care Plan Options + Company HSA Contribution
• Company Stock Grant Upon Hire

A DAY IN THE LIFE OF A R&D Sr. Scientist, Pipeline

The Senior Scientist, Pipeline, will engage with colleagues in R&D to evaluate, develop and validate clinical devices and molecular biomarkers that improve disease diagnosis, prognosis, and/or prediction of response to therapy. Your day will include evaluating opportunities for new clinical devices and tests as you collaborate with cross functional colleagues to create business cases and project plans that include experiments, study protocols and analysis plans. You will support Castle's Clinical Research team through the organization, auditing, and interpretation of clinical research and technical data collected as part of ongoing studies and trials to develop validity and utility evidence for clinically offered and pipeline devices and tests. You will work with teams across Castle Biosciences to produce critical scientific messaging materials, including peer-reviewed publications, abstracts for national and regional meetings, supportive slide decks, payer reimbursement documents, patient reports, and commercial literature, to train internal personnel and educate external customers (physicians) and patients.

REQUIREMENTS

• Master's or PhD in life sciences or a bachelor's degree with a minimum of 3 years of postgraduate medical writing experience in life sciences or industry equivalent in the biotech sector.
• PhD level training in life sciences or biomedical engineering
• The ability to successfully communicate and teach in a complex and competitive environment.

SCHEDULE

• Monday - Friday, in-office 5 days a week from 9:00 am to 5:30 pm, exempt position, working from the Friendswood TX headquarters (preferred). May consider Pittsburgh, PA @ Nova Place office.

WORK AUTHORIZATION

All candidates must be legally authorized to work in the United States. Currently, Castle Biosciences does not sponsor H-1B visas, OPT, or employment-related visas.

ABOUT CASTLE BIOSCIENCES INC.

At Castle, it all comes down to people. After all, disease doesn't just happen - it happens to people. We believe that disease management and treatment decisions can be better informed through a person's unique biology, which is revealed through the scientific rigor of our innovative, laboratory-developed tests. We are committed to empowering healthcare providers and patients with the goal of improved outcomes.

Every employee at Castle has an impact on patient care, and we work to ensure that everyone finds their work to be both challenging and rewarding. We behave with integrity and treat our colleagues with respect and kindness. Our culture fosters an environment of trust, transparency, and collaboration. We prioritize and encourage internal growth and professional development.

Castle Biosciences is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities.

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