A leading SaaS provider in Barcelona is looking for a Senior Software Engineer - Full Stack JS to enhance the technical design, implementation, and optimization of their applications. The role involves integrating with feature teams and collaborating closely with the Product/UI/UX teams to deliver user-friendly interfaces. Candidates should have strong JavaScript and TypeScript skills, experience with modern frameworks, and a proactive approach to performance and security. This position offers the opportunity to work in a dynamic environment while contributing to all aspects of the application codebase.#J-18808-Ljbffr