Job Summary: We are seeking a Senior Back-End Developer with experience in NodeJS and AWS for an innovative project in distributed environments. Key Highlights: 1. Innovative project in distributed environments 2. International team collaboration and 100% English communication 3. Continuous professional development and learning of new tools Senior Back\-End Developer \- NodeJS / AWS We are looking for a Senior Back\-End Developer with experience in NodeJS and deployment on AWS to join an innovative project in distributed environments. This is a remote position, with the possibility of traveling to Madrid at specific times if required. The project is conducted entirely in English; therefore, a high level of spoken and written English is required. Responsibilities * Solid experience in NodeJS and AWS. * Experience with CDNs, especially Fastly. * High level of English (the project is fully in English). * Ability to analyze and resolve complex problems in distributed integration and front\-end environments. Requirements * Manage event cache issues: our integration layer performs daily dumps from the events app using its API. Experience with strategies to minimize daily cache purging will be valued. * Optimize integration of Salesforce Native Forms: currently implemented via iframes; we aim to scale this solution through our custom API, particularly in AEM EDS environments. * CDN configuration and migration: from Adobe Managed CDN to Fastly, including cache, TTL, SSO, and other advanced configurations. Benefits * Flexible working hours and telecommuting. * Join an innovative project leveraging cutting\-edge technology. * Opportunity to collaborate within an international team communicating exclusively in English. * Continuous professional development and learning of new tools and cloud platforms. Join Seidor Gesein as a Senior Back\-End Developer! Work with NodeJS and AWS at a dynamic IT staffing consultancy. Learn more and grow with us!