Senior Software Engineer - Backend

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 seeking a Product-Minded Senior Backend Software Engineer who is passionate about architecting high-performance APIs and scalable cloud services. In this role, you will be a key driver of our clinical applications, building the robust REST APIs that power our Vue.js frontend.

We aren't just looking for a coder; we are looking for a technical partner who can take high-level product goals and translate them into actionable technical roadmaps. You will work at the intersection of complex medical data and seamless user experiences, ensuring our backend systems are robust, secure, and highly available

Job Responsibilities

• Lead the design, development, and scaling of backend services and APIs powering core product functionality

• Product Strategy: Partner with Product Managers to take high-level project goals and translate them into technical requirements, architectural designs, and actionable work items.

• Influence engineering best practices, tooling, and architecture patterns

• Design and implement secure backend systems, including but not limited to authentication, authorization, and access control

• Make high-impact architectural decisions across backend services, balancing performance, security, and scalability, including areas such as identity management when relevant

• Identify technology risks and dependencies early to establish mitigation plans

• Mentor and guide other engineers through technical design, code reviews, and coaching

• Participate in security audits and compliance reviews

• Implement rigorous authentication and authorization protocols. Ensure all backend development adheres to FDA regulations and HIPAA standards for medical software.

• Collaborate cross-functionally with key partners in Product Management, Strategy, Operations, and Regulatory to ensure high-quality, high-impact delivery of innovative software projects

Qualifications required

• Education: Bachelor's degree in Computer Science, Engineering, or related discipline, or equivalent experience.

• Experience: 10+ years of relevant industry experience

• Technical Proficiency:

• Strong proficiency in modern backend (e.g., Python, Java, Go, Django, Flask, or similar) technologies and database technologies (SQL, NoSQL, or similar), understanding of front-end (e.g., Vue.js, JavaScript, React, Angular, or similar) technologies

• Project Experience:

• Strong expertise in distributed systems and microservices architecture

• Demonstrated experience in building, deploying large-scale, secure RESTful APIs

• Leadership Skills: Experience driving technical vision and leading architectural decisions; ability to mentor and lead other engineers.

• Methodologies: Experience with Agile development methodologies and project management tools.

• Security Knowledge: Strong understanding of web and OWASP security best practices.

• DevOps: Experience with DevOps best practices (e.g., CI/CD pipelines).

• Regulatory Understanding: Experience with or willingness to learn about FDA regulations and compliance requirements for medical software.

• Collaboration: Demonstrated ability to work in a fast-paced, collaborative environment.

How you stand out

• Experience with AWS Lambda, AWS ECS, AWS Fargate

• Experience with integrating OpenID, OAuth2, or SAML protocols

• Experience with medical applications or other regulated industries

A reasonable estimate of the base salary compensation range is $180,000 to $215,000, bonus, and equity. #LI-IB1

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/.