Flagship Pioneering
Senior Software Engineer (Backend)
$108K–$186K
Cambridge, MA USA +1 · Senior · Full-time · Posted Oct 19, 2026
- Location
- Cambridge, MA USA
FL113 - Experience
- At least 7 years of professional software engineering experience.
- Education
- BS in Computer Science or a related field, or equivalent practical experience.
About the job
Build and operate backend, data, and EHR integrations on AWS that turn partner health records into trustworthy, model-ready results and support clinical products.
What you'll do
- Build secure, auditable data pipelines and EHR integrations; lead technical partner go-lives and resolve issues.
- Work with data scientists on AI-assisted partner onboarding and production model operations; contribute to infrastructure, security, and product engineering as needed.
- Set engineering standards and help hire and mentor engineers.
What they ask for
- At least 7 years of professional software engineering experience building and operating production backend systems and data pipelines.
- Healthcare data experience with EHR data, FHIR or HL7, clinical vocabularies, and PHI handled under HIPAA.
- Substantial AWS production experience and proficiency in Python and SQL.
- Production experience with AI/ML systems and data scientists, daily use of AI coding agents, and experience in an early-stage or zero-to-one environment.
Nice to have
- EHR integrations with athenahealth, Epic, or similar systems, including SMART on FHIR or bulk FHIR exports.
- Infrastructure as code, containers, and CI/CD; experience with HITRUST, SOC 2, FDA quality systems, or frontend/full-stack development.
Pay
$108,000 - $186,000 USD base salary
Tools
AWS, Python, SQL, FHIR, HL7, athenahealth, SMART on FHIR, React
AI focus
Use AI coding agents and automation; build AI-assisted partner onboarding tools; package, run, and monitor models in production alongside data scientists. Model training is not expected.
Model-written summary · the original posting is authoritative