INTERNSHIP DETAILS

Software Engineer Intern (ML Ops / Compute Migration)

CompanyHeartflow
LocationSan Francisco
Work ModeOn Site
PostedApril 1, 2026
Internship Information
Core Responsibilities
The intern will collaborate with senior engineers and research scientists to aid in migrating medical imaging AI algorithms, either transitioning them from C++ to Python for ML Ops or moving compute from CPU to GPU infrastructure.
Internship Type
full time
Salary Range
$45 - $60
Company Size
808
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Heartflow is the global leader in AI-driven coronary artery disease (CAD) management, transforming how CAD — the world’s leading cause of death — is diagnosed and treated. Our advanced technology generates personalized, precision 3D heart models from a single CT scan, providing clinicians with the clarity and confidence to deliver earlier, more effective treatments — transforming CAD into a disease that can be managed for life. Heartflow One is the only complete, non-invasive, precision coronary care platform providing patient insights throughout the guideline-directed coronary CTA pathway. The AI-driven platform — including Roadmap™ Analysis, FFRct Analysis and Plaque Analysis — is supported by the ACC/AHA Chest Pain Guideline and backed by more than 600 peer-reviewed publications. With over 600,000 patients treated, more than 1,800 leading institutions adopting our solution, and 99.5% of U.S. lives covered — Heartflow is redefining the standard of coronary care. We're a global company, with employees across the United States, Europe and Japan. Our headquarters are in Mountain View, California, with additional offices in California, Texas, the UK and Japan. We believe CAD shouldn’t be a silent threat. We’re changing the story of CAD by making it screenable, diagnosable, and manageable — empowering clinicians to save lives and giving patients more time for what matters most.
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. The flagship product—an AI-driven, non-invasive cardiac test supported by the ACC/AHA Chest Pain Guidelines called the Heartflow FFRCT Analysis—provides a color-coded, 3D model of a patient’s coronary arteries indicating the impact blockages have on blood flow to the heart. Heartflow is the first AI-driven non-invasive integrated heart care solution across the CCTA pathway that helps clinicians identify stenoses in the coronary arteries (RoadMap™Analysis), assess coronary blood flow (FFRCT Analysis), and characterize and quantify coronary atherosclerosis (Plaque Analysis). Our pipeline of products is growing and so is our team; join us in helping to revolutionize precision heartcare.

Heartflow is a publicly traded company (HTFL) that has received international recognition for exceptional strides in healthcare innovation, is supported by medical societies around the world, cleared for use in the US, UK, Europe, Japan and Canada, and has been used for more than 500,000 patients worldwide.  

We are looking for a motivated Software Engineering Intern to join our Machine Learning(ML) Engineering and MLOps team in our San Francisco office. In this role, you will work alongside senior engineers and research scientists on a scoped project contributing to HeartFlow's transition toward a cloud-native, unified ML pipeline. You will get hands-on exposure to cardiac AI technologies, software architecture, and validation approaches used to run algorithms at scale. You will be assigned to a project that spans across computational geometry, microservices, and inference pipeline architectures.

Required Qualifications

  • Actively pursuing a Bachelor's Degree (rising juniors and seniors preferred) in Computer Science, Data Science, Mathematics, or Engineering
  • Coursework or project experience in image processing or computational geometry.
  • Exposure to algorithmic/scientific development and/or deep learning applications.
  • Proficiency in Python with strong foundations in class design and object-oriented programming.
  • Strong foundations in data structures and algorithms.
  • Excellent communication and collaboration skills.

How You Stand Out

  • Proficiency in modern C++ (C++11 and up)
  • Exposure to cloud environments (AWS, GCP, Azure).
  • Familiarity with containerization technologies (e.g., Docker).
  • Exposure to build/package management tools (e.g., Conan, poetry/uv) or infrastructure-as-code frameworks (e.g., AWS CDK)
  • Exposure to the use of Gen AI for software development.
  • Previous internship experience in software development

A reasonable hourly rate estimate for this position is $45 to $60.

 #LI-DNI

Heartflow is an Equal Opportunity Employer. We are committed to a work environment that supports, inspires, and respects all individuals and do not discriminate against any employee or applicant because of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law. 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.
 
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. Before providing any personal information to outside parties, please verify the following: A) all legitimate Heartflow recruiter email addresses end with “@heartflow.com” and B) the position described is found on our careers site at www.heartflow.com/about/careers/. 
Key Skills
C++PythonML OpsCompute MigrationAlgorithmic DevelopmentScientific DevelopmentDeep LearningCloud EnvironmentsAWSGCPAzureGenAICommunicationCollaboration
Categories
HealthcareEngineeringSoftwareScience & ResearchData & Analytics