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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 June 30, 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.

*Please see the full job description at the end of the job ad.

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.

READY TO JOIN OUR BIOTECH TEAM?

We truly appreciate your time. If this feels like the right opportunity for you, we'd love for you to complete our mobile-friendly application. We're excited to learn more about you and look forward to connecting soon!

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.

If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail .

This email was created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.

** No third-party recruiters, please