Full-Stack Software Engineer

October 15, 2026

Hybrid

Senior

Barcelona, Spain

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English is required

Description

ABCDx is a Swiss-Spanish MedTech company developing blood-based point-of-care diagnostic solutions for acute neurological and cardiovascular conditions. We're hiring a full-stack software engineer to build, integrate, document and own the regulated digital platform behind our IVD products, spanning mobile, web, cloud integration and third-party SDKs. The role works closely with the Head of Product and external technology partners across three grant-funded development programs.

Responsibilities

Build and maintain the shared digital architecture across diagnostic products, including mobile applications, web portal, APIs, cloud integration and third-party SDKs
Own implementation and software architecture decisions, including code quality, testing strategy, technical debt, CI/CD and release management
Evaluate native mobile vs. web-based product experiences and reusable components
Own the technical interface with external software, cloud and SDK providers, ensuring documentation, version control and maintainability
Work within the medical device / IVD software lifecycle and QMS, contributing to software requirements, architecture, traceability, verification and validation
Contribute to risk management, cybersecurity and controlled change and release documentation
Collaborate with Product, Regulatory & Quality, Clinical, Innovation & Operations and external development partners on clinical, regulatory and grant milestones
Support clinical deployment, usability testing, troubleshooting, bug fixing and changes from clinical and field feedback

Requirements

Degree in Computer Science, Software Engineering or a related field, or equivalent professional experience
Strong command of TypeScript or JavaScript
Solid hands-on experience with Expo and/or React Native, as well as React and Vite for web
Comfort integrating and building on top of third-party SDKs, APIs and cloud platforms
Ability to reason about and contribute to system architecture across an interconnected full-stack system
Working knowledge of Node.js or equivalent backend technologies is a plus
Experience driving the CI/CD pipeline, working with GitHub and GitHub Actions
Prior experience in a regulated industry: preferably MedTech, IVD or digital health
Familiarity with IEC 62304, ISO 13485, IVDR/FDA software expectations is desirable
Knowledge of AWS and cloud-based backend services is a plus
3+ years of relevant professional software engineering experience
English: fluent, essential; Spanish: fluent, a plus
Proactive, self-driven mindset with strong critical thinking and rigor in documentation

Conditions

Hybrid role in Barcelona with 80-100% commitment preferred and flexible arrangements considered
Work in a beautiful office in a UNESCO World Heritage site in Barcelona
Freedom for remote work and flexible scheduling
Purpose-driven, self-managed startup with real autonomy and no micromanagement
Direct impact of your work on acute-care diagnostics
Freedom to experiment, learn and innovate without fear of failure