Senior Fullstack Software Engineer

Harnham; Cambridge (MA); Hybrid; USD 162,000 - 198,000; Full time

Benefits offered by this job

Equity

Hybrid onsite flexibility

Impactful healthcare projects

Autonomy and ownership

Career progression

Job summary

Harnham is seeking a Senior Fullstack Software Engineer in Cambridge, MA. You will build and scale patient-facing apps and the supporting platform, combining clinical data, AI insights, and user-friendly interfaces.

You will own features end-to-end, collaborate with cross-functional teams, and contribute to scalable architecture in a fast-growing healthcare AI environment.

Qualifications

• Strong production software delivery experience.
• Backend with Python/Django and frontend with React.
• Experience with APIs and systems integration in complex data environments.

Responsibilities

• Design, build, and ship full-stack features for web and mobile.
• Develop backend services and APIs supporting patient workflows.
• Create intuitive frontend experiences using React-based tech.
• Integrate healthcare data systems into product workflows.
• Add AI-enabled functionality including recommendations and automation.
• Collaborate with product, design, clinical, and engineering teams.
• Contribute to architecture decisions and platform scalability.
• Own features from concept to deployment and optimization.

Skills

Fullstack Engineer

Python/Django

React

API design

Healthcare data experience

AI / LLM integrations

Job description

Location: Cambridge, MA (Hybrid) - 3 Days Onsite

Compensation: Up to $180,000 Base + Equity

If you're excited by the opportunity to build technology that directly improves patient outcomes, this is a chance to join an early-stage healthcare AI business at a pivotal stage of growth. You'll work across the full stack, helping to shape a patient-facing platform that combines clinical data, AI-driven insights, and intuitive user experiences to support long‑term care and recovery.

The Company

This fast-growing healthcare technology startup is transforming how patients are supported beyond treatment by combining artificial intelligence, clinical data, and modern care delivery workflows. Backed by significant investment and operating at the intersection of healthcare, data, and product innovation, they are building technology that enables more personalised and proactive patient care.

With a lean, highly collaborative engineering team, the organisation offers the opportunity to make a visible impact, influence technical decisions, and take ownership of major product initiatives from an early stage.

The Role

As a Senior Fullstack Software Engineer, you will play a key role in building and scaling patient-facing applications and the underlying platform that powers them.

Key responsibilities include:

• Designing, building, and shipping full-stack product features across web and mobile applications
• Developing backend services and APIs that support patient workflows and clinical operations
• Creating intuitive frontend experiences using modern React-based technologies
• Integrating healthcare and clinical data systems into product workflows
• Building AI-enabled functionality including intelligent recommendations and workflow automation
• Collaborating closely with product, design, clinical, and engineering stakeholders
• Contributing to architecture decisions and platform scalability
• Taking ownership of features from concept through deployment and ongoing optimisation

Your Skills & Experience

You will bring:

• Strong commercial experience as a Fullstack Engineer delivering production software
• Expertise with Python and Django backend development
• Strong frontend development experience using React
• Experience building and shipping customer-facing products at scale
• Strong API design and systems integration knowledge
• Experience working within regulated or complex data environments
• Ability to operate independently in a fast‑paced, high‑growth environment
• Strong stakeholder communication and product collaboration skills
• Healthcare, healthtech, telehealth, or EMR integration experience
• Exposure to AI products, LLM integrations, or intelligent workflow systems
• Experience working with patient-facing digital products

What They Offer

• Opportunity to work on meaningful healthcare challenges with real-world impact
• High levels of ownership and autonomy
• Exposure to AI, healthcare data, and product engineering at scale
• Clear progression opportunities as the engineering function grows
• Collaborative, product‑led culture with direct influence over technical direction
• Hybrid working environment with flexibility for the right candidate