Senior Software Engineer - Scientific Computing & Algorithms Heartflow is a medical technology company advancing the diagnosis and management of coronary artery disease, supporting clinicians with AI-driven, non-invasive cardiac analysis. The Heartflow FFR CT Analysis provides a color-coded, 3D model of a patient’s coronary arteries to indicate the impact of blockages on blood flow. Our portfolio includes RoadMap™ Analysis (stenosis identification), FFR CT Analysis (blood flow assessment), and Plaque Analysis (atherosclerosis characterization and quantification). Our pipeline is growing and we are building a world-class engineering team to deliver the next generation of technology. Heartflow is a publicly traded company (HTFL) with global recognition for healthcare innovation. The technology is cleared for use in the US, UK, Europe, Japan and Canada and has been used for more than 400,000 patients worldwide. If you are passionate about writing innovative software, join our cross-functional engineering team to deliver future generations of our technology: Cloud-based algorithmic pipelines for image and geometry processing (C++, Python, AWS) Interactive 3D graphical software (Typescript, C++/Windows) Job Responsibilities We are looking for candidates who care deeply about software quality and teamwork, and who possess a strong engineering mindset. You will help us: Lead the design, implementation and validation of the algorithmic component software Ensure scalability, observability, and security of team components Create and maintain technical documentation Create and deliver technical presentations Conduct peer design and code reviews Mentor other engineers Improve our infrastructure and tooling: algorithmic pipelines, test frameworks and CI/CD pipelines Improve the modularity and testability of algorithmic components through careful design, specifications, and implementation of tests Troubleshoot and resolve complex technical issues Drive the release and monitoring of team components Provide production support Participate in cross-functional efforts with Product team, Process Engineering team, and other stakeholders You will help us build the right technology, and build it right! Qualifications required Minimum Bachelor’s degree in Computer Science or related is required; advanced degree preferred 8+ year(s) of relevant industry experience in a software company 8+ year(s) of experience with modern C++ (C++-11 and up) 5+ year(s) of experience with medical imaging, computer vision, 3d computational geometry and/or machine learning 5+ year(s) of experience with Python development 3+ year(s) of experience with cloud computing (Amazon Web Services or equivalent) 5+ years(s) of experience of software development best practices: testing (unit, integration), CI/CD (Jenkins, github, AWS Codebuild/CodePipeline), agile methodologies Ability to communicate clearly to technical peers, and product/project managers Ability to write clear technical documentation Ability to mentor other engineers within the team How you stand out Experience with Typescript (and other web technologies) Experience with Rust Experience with interactive 3D graphical software (C++, Windows) Experience with validation methodologies: design of experimental studies, statistical testing A reasonable estimate of the base salary compensation range is $170,000 to $220,000 (for San Francisco Bay Area), cash bonus, and equity. #LI-IB1 #LI-Hybrid Equal Opportunity Employer 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. Fraud notice Heartflow has become aware of a fraud where unknown entities are posing as Heartflow recruiters. Before providing any personal information, verify that recruiter emails end with “@heartflow.com” and that the position is listed on our careers site at www.heartflow.com/about/careers/. Voluntary Self-Identification For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion is voluntary. Any information you provide will be kept confidential and will not affect employment decisions. Details about disability categories and a public burden statement may be included as required by law.

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