Heartflow
Senior Data Scientist, Medical Imaging
San Francisco, California · Senior
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odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$4,512 more — $174,512 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $174,512 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Data Scientists" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Data Scientists (15-2051) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- Heartflow is a medical technology company advancing the diagnosis and management of coronary artery disease, the #1 cause of death worldwide, using cutting-edge technology.
- Our pipeline of products is growing and so is our team; join us in helping to revolutionize precision heartcare.
- In this role, you will be at the forefront of understanding how diverse real-world imaging conditions and technical variables affect image appearance and, in turn, the accuracy and reproducibility of deep learning algorithms.
Responsibilities
- Tooling & Pipelines: Build robust, reproducible analytical pipelines and visualizations over population-scale data, to characterise dataset distributions and model vulnerabilities across diverse patient populations.
- Correction & Harmonization: Explore, develop, and validate methods for harmonizing complex data-related factors and image variations.
- Data Curation and Annotation: Develop annotation protocols for algorithm training and validation for internal product development and FDA submissions.
- You will own the analytical pipeline to quantify these effects and explore data-driven methods to address them.
- Build robust, reproducible analytical pipelines and visualizations over population-scale data, to characterise dataset distributions and model vulnerabilities across diverse patient populations.
- Explore, develop, and validate methods for harmonizing complex data-related factors and image variations.
- Develop annotation protocols for algorithm training and validation for internal product development and FDA submissions.
Requirements
- Data Analysis & Statistics: Expert proficiency in Python and statistical data analysis ecosystems (e.g., pandas, scipy, statsmodels, seaborn/matplotlib).
- Proven ability with large, complex, and messy datasets.
- Communication: Exceptional ability to distill complex, multi-dimensional data analyses into clear, strategic insights for cross-functional stakeholders.
- Expert proficiency in Python and statistical data analysis ecosystems (e.g., pandas, scipy, statsmodels, seaborn/matplotlib).
- Exceptional ability to distill complex, multi-dimensional data analyses into clear, strategic insights for cross-functional stakeholders.
Nice to have
- Experience working with large multi-vendor CT imaging datasets, with an understanding of acquisition and reconstruction protocols.
- Proven track-record in diagnosing data- and annotation-related algorithm performance gaps, and designing data-driven solutions.
- Experience with large-scale data querying and cloud storage (e.g., AWS, SQL).
- Experience with biostats to support FDA submissions.
- Heartflow is an Equal Opportunity Employer.
- This policy applies to every aspect of employment at Heartflow, including recruitment, hiring, training, relocation, promotion, and termination.
- Positions posted for Heartflow are not intended for or open to third party recruiters / agencies.
- Submission of any unsolicited resumes for these positions will be considered to be free referrals.
Compensation
- A reasonable estimate of the base salary compensation range is $170,000 to $240,000, bonus, and equity. #LI-IB1 #LI-Hybrid
Benefits
- We are looking for a Senior Data Scientist with a strong foundation in both statistical data analysis and deep learning to drive our data-centric AI initiatives.
- Data-Centric Deep Learning:
- Partner with Research Scientists, Machine Learning Engineers, Systems Engineers, Process Engineers, Product and Regulatory teams.
Company info
- Heartflow has become aware of a fraud where unknown entities are posing as Heartflow recruiters in an attempt to obtain personal information from individuals as part of our application or job offer process.
This listing is sourced directly from Heartflow's careers page and normalized into a canonical job model.