This is an in-office role based in Barcelona, ES, with a requirement to work a minimum of three days per week on-site. Remote or travel flexibility is not available. Are you ready to build AI-native software that accelerates clinical trials and improves patient outcomes? Do you thrive in a full-stack environment where AI is a core tool, not an add-on? You will design and implement robust backend services, contribute to modern frontend experiences, and integrate AI capabilities directly into our product suite. You will also help define how engineering teams build with AI: setting conventions for AI-assisted development, establishing prompt engineering patterns, and creating quality gates for AI-generated code. Your impact will be felt immediately in product delivery and over time in the standards and practices that shape our AI-native engineering culture. Write clean, well-tested, production-ready code across backend and frontend, owning outcomes from design through deployment and monitoring to deliver features that power clinical trials at scale. Design and implement LLM-powered workflows, intelligent automation, and AI-driven user experiences; develop prompt engineering patterns, evaluation frameworks, and testing strategies; Backend and APIs: Build scalable backend and BFF services, RESTful and GraphQL APIs, and data streaming pipelines that meet reliability, performance, and compliance needs. Frontend

Experience:
Contribute to React and React Native applications when full-stack ownership is required, ensuring cohesive, high-quality user experiences. Troubleshoot complex production issues, perform root cause analysis, and implement preventive improvements; enhance monitoring and resilience to protect service levels. Platform and DevOps Partnership: Collaborate on infrastructure-as-code, CI/CD pipelines,



automated deployment and recovery, and container orchestration for speed and stability. contribute to agile planning, estimation, and retrospectives. Progression and Impact: Deliver immediate value in features and platform capabilities, then expand your influence by shaping AI-first engineering practices and reusable components that accelerate multiple product teams. Essential Skills/Experience5+ years of professional software engineering experience shipping production systems. Strong proficiency in at least one backend language (Java, Node. Js, or similar) and frontend technologies (TypeScript, React, React Native). Experience building and operating RESTful & GraphQL APIs, with solid understanding of JSON, and OpenAPI specifications. Experience with document-based storage (MongoDB or similar) and data streaming technologies (Kafka or similar).
Practical, daily experience using AI-assisted development tools in your own coding workflow. You should be able to articulate how AI tools change the way you design, write, test, and review code. Proficiency with CI/CD pipelines (GitHub Actions, Azure DevOps, or similar) and containerization (Docker, Kubernetes). Experience with AWS cloud services. Strong testing discipline: unit testing, integration testing, and BDD frameworks (Cucumber or similar). Familiarity with regulated or compliance-sensitive software development environments. Experience with clinical trial software, eCOA, medical devices or healthcare/life sciences technology. Experience designing solutions for complex projects within large organizations. Contributions to open-source projects or visible technical thought leadership. We welcome and consider applications to join our team from all qualified candidates, regardless of their characteristics. BarcelonaType: Full time

📌 Senior Software Engineer (España)
🏢 AstraZeneca
📍 España