Full Stack Developer
Senior Full Stack Engineer
SiSU Health | Remote | Digital Health
Company Description
SiSU Health is building the ecosystem for preventative health at scale — combining medical devices, digital journeys and data intelligence to improve individual and population health outcomes.
We are a fast-paced, mission-driven scale-up — focused on growth, accelerating product delivery, strengthening our commercial propositions and expanding our impact.
We operate at the intersection of:
- NHS and B2B population health programmes
- Connected medical devices (Health Stations)
- Consumer-facing apps and personalised digital journeys
- Data intelligence and commercial insight products
As we scale, we are strengthening our engineering capability to improve delivery velocity, reliability and platform resilience
Role description
This is a remote role for a Senior Full Stack Engineer with a strong skillset in platform & DevOps .
This is a hands-on, high-impact role working across platform development, integrations, infrastructure and security. You will operate within a lean engineering team and work closely with Product and senior leadership to deliver roadmap priorities at pace.
You will contribute across a connected ecosystem that includes:
- Web applications and digital health journeys
- Data pipelines and insight capabilities
- NHS and third-party integrations
- Cloud infrastructure and CI/CD pipelines
- Security, compliance and release discipline
We are looking for someone who can combine strong full stack development with practical DevOps capability — someone comfortable moving between feature delivery, infrastructure optimisation and security improvements
What you will be responsible for:-
- Delivering priority roadmap features across front-end and back-end components
- Supporting and improving NHS and third-party integrations
- Contributing to scalable, reusable platform architecture
- Maintaining and optimising cloud infrastructure (AWS or similar)
- Supporting CI/CD pipelines and release processes
- Improving monitoring, logging and deployment stability
- Supporting security improvements
- Strengthening engineering quality and release discipline
- Reducing defect leakage and improving platform reliability
- Collaborating closely with Product to translate complex requirements into pragmatic technical solutions
Qualifications & Experience
Essential:
- Strong full stack development experience (modern JS stack such as Node.js / React or similar)
- AWS, JavaScript/TypeScript, React, CI/CD Setup, Automated Testing, Test First Approach, Relational Database
- Experience working in cloud-native environments (AWS preferred)
- Hands-on experience with CI/CD and infrastructure management
- Solid understanding of application security and secure coding practices
- Experience operating in lean, fast-paced scale-up environments
- Ability to work across multiple concurrent workstreams
Highly desirable:
- Experience with health data platforms or regulated environments
- MySQL, CDK, GitHub & GitHub Actions, Amplify, Cognito, ECS and Docker, Lamdba
- Exposure to NHS integrations or healthcare systems
- Design/Build of resilient systems across multi AZ
- Experience contributing to ISO27001, GDPR or security compliance improvements
- Experience improving QA discipline and release governance
Who will thrive!
- You take ownership beyond writing code
- You are comfortable balancing feature delivery with infrastructure and security needs
- You enjoy solving messy, real-world technical problems
- You can operate with autonomy in a small, high-trust team
- You care about impact as much as implementation
This is a role with scope to grow as the company scales.
If you want to help build the infrastructure behind preventative, data-driven healthcare — and operate at pace in a mission-led scale-up — we’d love to hear from you.
Employment Type: Full-time preferred, remote (must be UK based)