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

Description

Job Summary: We are seeking a Senior Back-End Developer with experience in NodeJS on AWS for an international project focused on cache optimization and API integration evolution. Key Highlights: 1. 100% English-language international project 2. Cache optimization strategies 3. API integration evolution and CDN migration At THE WHITEAM, we are looking for a **Senior Back\-End Developer** with extensive experience in **NodeJS on AWS**, to join a 100% English-language international project. This position requires a hybrid working model in Madrid and offers an approximate annual salary of €28K. **Requirements** * Solid experience in **Back\-End development with NodeJS**. * Experience working on **AWS**. * Advanced English proficiency, enabling interaction with clients and technical documentation in English. * Experience with **CDNs**, especially **Fastly**. * Advanced knowledge of caching strategies, TTL, invalidations, SSO, and performance optimization in high-traffic environments. **Conditions** * 100% English-language project (advanced level mandatory). **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 relies on iframes—by designing a scalable solution based on **custom API**, while addressing security, authentication, SSO, performance, and compatibility with **AEM EDS**. * Configure and migrate the **CDN** from Adobe Managed CDN to **Fastly**, including cache policies, TTL settings, invalidation rules, SSO configuration, and best practices for high-traffic environments. **Company** Joining THEWHITEAM means collaborating with a company composed of professionals with extensive experience in technology consulting. We firmly believe that enterprises and clients set the direction for the industry—but people build that path. We consider it vital that our organization is founded upon our greatest asset and value-add: our human team. **Benefits** Additionally, here is a brief summary of company policies to help you get to know us better: * Our collective agreement is for Consulting Firms and Market Research Agencies. * We offer 23 vacation days per year. * We provide 14 monthly payments: 12 regular monthly salaries plus two extra payments (in June and December). * As part of flexible compensation, we offer childcare vouchers and health \+ dental insurance.