Barcelona, Spain About the Job As Staff Software Engineer within our Global eCommerce Software Engineering team, you'll shape the technical future of a $7 billion global business connecting patients and healthcare professionals to life-changing medicines and vaccines. Based within Sanofi's Digital Global eCommerce & Vaccines organization, you'll work at the intersection of business and technology — partnering with cross-functional teams to revolutionize how patients access Sanofi's medicines worldwide. This role reports directly to the Head of Software Engineering, eCommerce. From customer onboarding to shipment delivery, you'll set the technical bar for the entire organization and amplify the impact of the engineers around you About Sanofi Sanofi is dedicated to supporting people through their health challenges. We are a general biopharmaceutical company focused on human health, committed to chasing the miracles of science to improve people's lives. Our team, across some 100 countries, is dedicated to transforming the practice of medicine by working to turn the impossible into the possible. We provide potentially life-changing treatment options and life-saving vaccine protection to millions of people globally, while putting sustainability and social responsibility at the center of our ambitions At Sanofi, we believe our people are our greatest strength, and we are committed to creating an inclusive environment where diverse perspectives drive innovation.



Drive technical strategy across multiple teams and domains, designing scalable, resilient architectures for global eCommerce platforms — from customer-facing experiences to backend operations Own critical technical decisions , balancing engineering excellence with pragmatism to deliver high-quality solutions on time Champion best practices in cloud-native development, microservices, APIs, CI/CD, DevOps, and cybersecurity across the organization Mentor and grow senior engineers , fostering a culture of knowledge sharing, psychological safety, and continuous improvement

Experience:
Proven track record leading technical initiatives and mentoring senior engineers in fast-paced, innovative environments Proficiency in JavaScript/TypeScript (Node.js), React or equivalent, and an object-oriented language (Java, Python, C++, or similar); hands-on experience with cloud platforms (AWS, GCP, or Azure), Infrastructure as Code, microservices, API design, CI/CD, observability tools (e.g. DataDog), and automated testing A background in Computer Science, Engineering, or equivalent practical experience Fluent English (written and verbal) Global impact at scale — your work will directly support patients and healthcare professionals worldwide Cutting-edge technology — work with modern cloud-native stacks on a platform that is actively being transformed LI-Hybrid #BarcelonaHub #SanofiHubs Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.

📌 Staff Software Engineer (España)
🏢 Sanofi
📍 España