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

Description

Job Summary: We are seeking a Senior Back-End Developer for an English-language international project focused on development with NodeJS, AWS, and Fastly CDN, optimizing performance and caching strategies. Key Highlights: 1. 100% English-language international project 2. Solid back-end development experience with NodeJS and AWS 3. CDN configuration and migration to Fastly This is a remote position. At Ibertech, we are 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 required). 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**-language project (high proficiency required): ability to interact with clients and technical documentation in English. • Solid back-end development experience with **NodeJS.** • Experience working on **AWS.** • Experience with **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 TTL usage, selective invalidations, and cache tagging. • Evolve the current Salesforce Native Forms integration—which currently uses iframes—by designing a scalable solution based on custom APIs, 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!