Senior Software Engineer

Be a part of the team building the future of healthcare!

Firefly Health is building a revolutionary new type of comprehensive health "care and coverage," powered by a relationship-driven care team, a trusted virtual and in-person clinical network, and our proprietary technology platform.

Founded by experienced clinicians and technology leaders, Firefly Health is on a mission to deliver clinical and financial health through joyful, always there care. We are flipping the script on what it means to be a health plan and actually providing a true health benefit to members.

We are intensely focused on optimizing the physical + mental + financial wellbeing of those who want (and deserve) something better than the status quo. If you are ready to roll up your sleeves and take on our audacious mission, we would love to hear from you.

We are looking for a Senior Software Engineer who thrives in a high growth environment to join our core engineering team. This team works side‑by‑side with our clinical, operations, and product teams to change the experience of healthcare.

The engineering team’s goal is to create an integrated, intelligent platform that proactively manages healthcare at scale and makes high-quality benefits accessible and engaging for all. You’ll help power a platform that not only serves members, providers, and employers, but also leverages advanced technologies to drive efficiency and better outcomes.

Our tech stack includes React, React Native, Typescript, Python, Django, Postgres, Docker, and AWS. It’s a great modern foundation for tackling the challenges ahead of us.

• Partner with our clinical, operations, and product teams to design and build technology underlying our alternate health plan and care experiences
• Build beautiful mobile apps, web applications, and APIs that make high-quality health benefits and world‑class care accessible and engaging for members
• Develop and refine agentic workflows using machine learning models to power automation and intelligence across our platform— including care management, navigation and proactive interventions
• Integrate with third‑party vendors and health tech innovations to expand our platform’s functionality, data sources, and member services
• Work on a member‑facing platform and clinical intelligence platform used by our care teams to deliver efficient, quality care
• Own projects from ideation to release, influencing both product and technical decisions
• Contribute to technical architecture and best practices across the team
• Help recruit highly capable engineers to the team from diverse backgrounds

• You have 5+ years of experience writing production code across the stack
• You resonate with our mission: to deliver clinical and financial health through joyful, always there, care
• You love learning and unstructured problem solving
• You enjoy and take ownership in designing, building, and shipping features end‑to‑end

• Experience with the specific technologies in our stack
• Experience working with machine learning models, agentic workflows, or automation in the healthcare space.
• Experience with the messiness of healthcare data and ETL work

The salary range for this position is $150,000 to $180,000 annually; as part of a total benefits package which includes health insurance, 401k and bonus. In accordance with state applicable laws, Firefly Health is required to provide a reasonable estimate of the compensation range for this role. Individual pay decisions are ultimately based on a number of factors, including but not limited to qualifications for the role, experience level, skillset, and internal alignment.

Our office is in Watertown, Massachusetts, but we’ve developed a robust remote working structure to give us more geographical flexibility while hiring for many positions. This role can be done largely remotely, there are several times a year when staff come together onsite for planning and team building.

Firefly is an equal opportunity employer. We value diverse backgrounds and perspectives. We’re committed to building and sustaining an inclusive workplace culture where individuals are treated with dignity and respect. All employment is decided on the basis of qualifications, merit, and business need. Firefly is an E-Verify employer.