.ABOUT USAt BASF Digital Hub Madrid we develop innovative digital solutions for BASF, create new exciting customer experiences and business growth, and drive efficiencies in processes, helping to strengthen BASF's position as the digital leader in the chemical industry. We believe the right path is through creativity, trial and error and great people working and learning together. Become part of our team and develop the future with us - in a global team that embraces diversity and equal opportunities.WHAT YOU CAN EXPECTWe are looking for an experienced Senior Full Stack Developer to join our dynamic team. The ideal candidate will possess deep expertise in both front-end and back-end development, with a passion for building scalable, secure, and high-performance web applications. You will work closely with cross-functional teams, including product management, design, and DevOps, to deliver cutting-edge solutions that drive our business forward.RESPONSIBILITIESLead the design, development, and maintenance of full stack web applications, ensuring robust functionality and seamless user experience.Architect and implement scalable and secure APIs, microservices, and data-driven applications.Collaborate with product managers, designers, and other developers to define and refine requirements, ensuring technical feasibility.Write clean, maintainable, and well-documented code, following best practices in software development.Optimize applications for maximum speed and scalability, considering both front-end and back-end performance.Ensure cross-platform and cross-browser compatibility for front-end components.Implement and manage CI/CD pipelines for automated testing, deployment, and continuous integration.Troubleshoot and resolve complex technical issues across the entire stack.Mentor and guide junior developers, fostering a culture of continuous learning and improvement.Stay updated with emerging technologies and industry trends and apply them to current and future projects.QUALIFICATIONSMaster's degree or Ph.D. in Computer Science, Data Science, Mathematics, or a related field.Minimum 5 years' related working experience.5+ years of professional experience in full stack development.Strong proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and modern JavaScript frameworks/libraries (e.G., React, Vue.Js).Extensive experience with server-side languages and frameworks such as Node.Js, Express.Js, Python (Django, Flask), or Java (Spring Boot).Solid understanding of relational databases (e.G., MySQL, PostgreSQL) and NoSQL databases (e.G., MongoDB, Cassandra). Experience with database design, optimization, and management.Proven experience in designing and consuming RESTful APIs and/or GraphQL.Familiarity with DevOps practices, including experience with CI/CD tools (e.G., GitLab CI/CD), containerization (Docker), and cloud platforms (AWS, Azure)