Senior Scientific Programmer

Bellwether Bio
Job Location
Seattle, WA 98195
Salary, equity, and benefits commensurate with experience
Job Description

Bellwether Bio, a liquid biopsy technology company, seeks a highly qualified individual with immediate availability for the position of Senior Scientific Programmer. This full-time position reports to the Chief Technology Officer. The Senior Scientific Programmer will support the CTO to develop Bellwether’s computational toolkit for translating DNA sequencing data into clinically actionable findings, building off of rich and well-curated genomic datasets derived from cohorts of individuals with cancer (or other conditions) and matched controls.

The ideal candidate is a highly trained, self-motivated, creative programmer with experience the in biological sciences and a passion for improving healthcare outcomes. The Senior Scientific Programmer will have a track record of independent research or project management, and will be expected to contribute intellectually to Bellwether Bio’s R&D efforts.

Expertise in scientific or technical programming in Python, R, C++, and/or other modern programming languages and data visualization packages is required. Professional or academic experience with analysis of large volumes of data, machine learning, and cloud computing environments is strongly desired. 

Specific duties include:

  • Architecture and implementation of internal-facing software to support Bellwether’s vision for noninvasive testing

  • Design and execution of data-driven, scientific research based on testable hypotheses, making use of Bellwether Bio’s genomic datasets

  • Detailed analysis of next-generation sequencing (NGS) datasets using open-source and/or proprietary tools

  • Summary and visualization of results in the form of technical reports, figures, tables, and slides 


PhD or equivalent degree required. Exceptional candidates with at least five years of professional experience in lieu of an advanced degree may be considered. Substantial coursework and/or professional experience in biology, computer science, statistics, or closely related field strongly preferred. The position may require occasional and brief domestic travel.  

How to Apply

To apply, send a CV, brief cover letter, and contact information for three references to Please include “Senior Scientific Programmer” in the subject. The position will remain open until filled. Please be prepared to provide a code sample upon request. 

About Our Organization

Bellwether Bio is a Seattle-based startup developing a novel bioinformatics approach to analyze circulating cell-free DNA. First unveiled in a January 2016 Cell paper, technology was originally developed in the lab of University of Washington Professor (and HHMI Investigator) Jay Shendure. Bellwether is backed by private investors, and is collaborating with leading diagnostic companies to improve their platforms. We offer compensation (including equity) commensurate with skills and experience, flexible scheduling, and minimal hierarchy. Bellwether Bio does not discriminate on the basis of race, gender, nationality, age, or sexual orientation. All qualified candidates are encouraged to apply.


For more information, please contact:

Matthew Snyder, Ph.D.
Chief Technology Officer 

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