About ABCDx

ABCDx is a Swiss-Spanish MedTech company developing innovative blood-based point-of-care diagnostic solutions combining biomarkers, lateral-flow technologies, smartphone image analysis and clinical algorithms. Our focus is on acute neurological and cardiovascular conditions, with clinical development activities across Europe.

We are looking for a Full-Stack Software Engineer to help build, integrate and maintain the regulated digital platform supporting our diagnostic products for acute and emergency care.

This is a hands-on role with significant ownership, working closely with our Head of Product, internal teams and external technology partners across multiple development programs.

Key Responsibilities • Build and maintain shared software architecture across mobile applications, web portals, APIs, cloud platforms and third-party SDKs.

- Develop solutions using React Native/Expo (iOS and Android), React and web technologies.
- Contribute to software architecture, reusable components, testing, CI/CD, code quality and release management.
- Integrate external cloud services, APIs, algorithms and SDKs, ensuring maintainability, documentation and version control.
- Work within our regulated medical device/IVD software lifecycle and Quality Management System (QMS), supporting requirements, traceability, verification, validation, risk management and cybersecurity.
- Collaborate with Product, Regulatory & Quality, Clinical and external partners to meet development and regulatory milestones.
- Support clinical deployments, troubleshooting, usability testing and continuous improvement.

Requirements • 3+ years of relevant software engineering experience.

- Degree in Computer Science, Software Engineering or a related field, or equivalent professional experience.
- Strong proficiency in TypeScript/JavaScript.




- Solid hands-on experience with React Native and/or Expo, React and Vite.
- Experience integrating third-party SDKs, APIs and cloud services.
- Ability to contribute to full-stack architecture across mobile, web, backend and cloud integrations.
- Experience with GitHub, GitHub Actions and CI/CD pipelines.
- Strong problem-solving skills, technical autonomy and attention to code quality.
- Fluent English (essential); fluent Spanish is a plus.

Valuable additional experience: • Node.js or equivalent backend technologies. • AWS and cloud-based backend services. • MedTech, IVD, digital health or other regulated environments. • Familiarity with IEC 62304, ISO 13485, IVDR/FDA software expectations, traceability and controlled change management. Specific regulatory certifications are not required.

Personal Profile We value proactive, curious and self-driven engineers who enjoy taking ownership, anticipating challenges and collaborating in a small, dynamic team. You should be comfortable working across architecture, development, integration and maintenance while maintaining the rigor required in regulated software development.

What We Offer • Meaningful work developing technologies with potential real-world impact on patient care.

- High autonomy, technical ownership and the opportunity to shape our software architecture.
- A collaborative, purpose-driven startup culture with open communication and minimal hierarchy.
- Opportunities to experiment, learn and innovate.
- Adaptable working arrangements combining remote work and our office at Barcelona Health Hub, located in the UNESCO-listed Recinte Modernista de Sant Pau.
- The opportunity to build the software foundation of a growing MedTech company.

Join ABCDx and help turn breakthrough diagnostic science into robust digital products ready for clinical use.

📌 Full-Stack Software Engineer - MedTech / IVD (Barcelona)
🏢 Advanced Brain Companion Diagnostics
📍 Barcelona