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)