**Senior Full Stack Engineer** _Location: Barcelona - Spain_ _Type of work: Full time_ **About the Digital Data Team** We are an innovative global healthcare company, driven by one purpose: we chase the miracles of science to improve people’s lives. Sanofi, 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. Sanofi’s Digital Data Organization’s mission is to transform Sanofi into a data and AI first organization by empowering everyone with good data. Through custom developed products built on world class data foundations and platforms, the team builds value and a unique competitive advantage that scales across our markets, R&D and manufacturing sites. The team is in major hubs in Paris, Lyon, Budapest, Barcelona, Cambridge, Bridgewater, Toronto, and Hyderabad. Join a dynamic, fast paced and talented team, with world class mentorship, using AI to chase the miracle of science. The Digital Real World Data Team ensures that a person’s “real” health experience, from diverse data sources like insurance claims, hospital records, fitness trackers, is a key part of every data-driven decision Sanofi makes. **About Growing with Us** We are on a journey to surface valuable medical insights from the sea of information to enable data-driven prioritization of resources to improve patience impact. We plan to accomplish this by developing a platform that leverages Artificial Intelligence to collate volumes of data from a wide-range of sources and synthesize the information into actionable insights. Reporting to the Data Engineering Manager, you will be a core member of an Agile development. You are passionate about the user experience and advocate building beautiful, usable products that delivers value to our users. You have a proven track record of delivering elegant, intuitive web-based user interfaces for enterprise applications. **Primary Responsibilities** + Work in close collaboration with relevant stakeholders to contextualize the architecture design + Implement complex and data intensive user-interface that is also beautiful and accessible in a performance and maintainable way + Design front-end solutions to meet business needs in an operational and financially efficient manner + Collaborate closely with the Design Team, Data Science Team, Product Owner and developers on the team to enhance the overall user experience + Design front-end solutions to meet business needs in an operational and financially efficient manner + Promote the right usage of company standards, IT industry practices, and emerging standards + Assist with technical solution discovery to ensure technical feasibility + Create smart components and manage component library + Own all areas of the product lifecycle: design, development, test, deployment, operation, and support + Create detail documentation on Confluence to be able to support and maintain codebase and its functionality + Promote the right usage of company standards, IT industry practices, and emerging standards **About you ** **Qualifications** + 5+ years of front-end development experience, with a significant portion using React.js + Bachelor’s degree in computer science, engineering, or similar quantitative field of study + Strong hands-on experience working with front end technologies such as React framework & React UI component libraries, JavaScript, NodeJS, Angular, and HTML/CSS + Experience designing/developing RESTful APIs, HTTP APIs, and implementation of WebSocket + Familiar with software best practices (design patterns, development standards) + Experience with data visualization libraries + Experience organizing and managing re-usable component library for codebase + Experience owning and maintaining NPM packages and the challenges associated with it being used in multiple applications + Strong experience in GIT-based source code management systems (GitHub) + Strong experience in Continuous Integration and Continuous Delivery (CI/CD) practices (GitHub Actions) + Experience with modern testing framework, such as Jest + Experience with Github is a plus (source code control / UI production deployment) + Exposure to back-end technologies (Python, FastAPI), a plus **Nice to have** + Experience using Cloud Containerization technologies (Docker, Openshift, AWS ECR/EKS) + Familiarity with Code quality / security solutions (SonarQube, Checkmarx) + Familiarity implementing access control (Oauth, Keycloak, AuthN/AuthZ) + Experience with JIRA & Confluence **Pursue** **_Progress_** **. Discover** **_Extraordinary_** **.** Progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s discover extraordinary together. At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity. Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com! \#LI-Hybrid \#BarcelonaHub #SanofiHubs **Pursue** **_progress_** **, discover** **_extraordinary_** Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people. At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video (https://www.youtube.com/watch?v=SkpDBZ-CJKw&t=67s) and check out our Diversity Equity and Inclusion actions at sanofi.com (https://www.sanofi.com/en/our-responsibility/equality-and-inclusiveness) ! Global Terms & Conditions and Data Privacy Statement (https://www.sanofi.com/en/careers/global-terms-and-conditions/) Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. We prevent illness with vaccines, provide innovative treatments to fight pain and ease suffering. We stand by the few who suffer from rare diseases and the millions with long-term chronic conditions. With more than 100,000 people in 100 countries, Sanofi is transforming scientific innovation into healthcare solutions around the globe. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi (https://youtu.be/96EwNjb1TLo) As an organization, we change the practice of medicine; reinvent the way we work; and enable people to be their best versions in career and life. We are constantly moving and growing, making sure our people grow with us. Our working environment helps us build a dynamic and inclusive workplace operating on trust and respect and allows employees to live the life they want to live. All in for Diversity, Equity and Inclusion at Sanofi - YouTube (http://www.youtube.com/watch?v=SkpDBZ-CJKw&t=2s)