What are the responsibilities and job description for the Senior Fullstack Software Engineer position at Harnham?
Senior Fullstack Software Engineer
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
Desirable experience includes:
- Healthcare, healthtech, telehealth, or EMR integration experience
- Mobile application development 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
How to Apply
To learn more about this opportunity, apply today with your latest CV for a confidential discussion!
Salary : $150,000 - $180,000