Senior Back-End Developer (NodeJS + AWS + Fastly CDN)

Description

Job Summary: We are seeking a Senior Back-End Developer with experience in NodeJS on AWS for a 100% English-language international project focused on cache optimization and CDN migration. Key Highlights: 1. 100% English-language international project 2. Solid back-end development experience with NodeJS and AWS 3. CDN specialist, experienced with Fastly and caching strategies This is a remote position. Ibertech is looking for a **Senior Back\-End Developer (NodeJS \+ AWS \+ Fastly CDN)** profile with fluent **English** to collaborate with one of our leading clients. Location: Madrid, Spain (residency mandatory). Mode: Remote **Job Description:** We are seeking a Senior Back\-End Developer with extensive experience in **NodeJS** on **AWS** to join a 100% English-language international project. **Requirements:** • 100% **English** project (high proficiency required): capable of interacting with the client and technical documentation in English. • Solid back-end development experience with **NodeJS.** • Experience working on **AWS.** • Experience in projects involving **CDNs**, especially **Fastly.** • Advanced knowledge of caching strategies, TTL, invalidations, SSO, and performance optimization in high-traffic environments. **Responsibilities:** • Propose strategies to reduce the need for daily cache purging at the event integration layer, optimizing the use of TTL, selective invalidations, and cache tagging. • Evolve the current Salesforce Native Forms integration—which relies on iframes—by designing a scalable solution based on custom APIs, while considering security, authentication, SSO, performance, and compatibility with AEM EDS. • Configure and migrate the CDN from Adobe Managed CDN to Fastly, including cache policies, TTL, invalidation rules, SSO configuration, and best practices for high-traffic environments. If you believe you are a good fit and are interested in this opportunity, please send your updated CV along with your salary expectations to sara.gonzalez@ibertech.org, and we will contact you. We look forward to hearing from you!