Senior Full Stack Engineer

Location: Barcelona - Spain

Type of work: Full time

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