FULLSTACK PYTHON / REACT

Hays is collaborating with one of the top pharmaceutical companies worldwide, founded in 1885 and ranked among the top 10 in the industry Position: Senior Full Stack Developer Responsibilities Lead backend development using strictly typed Python and FastAPI architectures Design and maintain production-grade ETL pipelines using modern data engineering tools Manage and scale AWS infrastructure with CDK and key services Build solutions with Elasticsearch/OpenSearch and oversee data migration strategies Develop advanced frontend interfaces using React, Material-UI, and Redux-Saga Optimize performance and user experience with complex visualizations and best practices Implement DevOps practices including Docker containerization, CI/CD pipelines, and monitoring systems Requirements Proven experience as a Full Stack Developer with strong skills in Python and React Expertise in Python and FastAPI Hands-on experience with React and TypeScript Solid understanding of AWS Familiarity with testing frameworks Valuable: experience in data engineering Valuable: knowledge of DevOps practices Fluent in English Benefits Opportunity to participate in international projects Flexible schedule: Monday to Friday, from 8/9 a.m. to 5/6 p.m. Up to four remote working days per week On-site buffet available Permanent contract through Hays in a long-term project

Location: Catalonia, ES

Posted Date: 10/9/2025