Summary: ALTEN Mexico seeks a Full Stack Developer to build interactive components, manage multiregional content, and optimize web performance and user experience. Highlights: 1. Building interactive components with React and Next.js 2. Managing multiregional content with Contentful CMS 3. Optimizing web performance and user experience ALTEN Mexico, is a leading engineering company that specializes in providing innovative solutions for engineering, technology, and product development projects. We work directly with different industries including Automotive, Energy, Aeronautics, Banking \& Insurance, Telecom \& Multimedia, and Rail; offering services ranging from project design development to test/validation, programming, implementation, and manufacturing. ALTEN Mexico as a subsidiary of the ALTEN Group. Currently working with international clients, we are looking for a Full Stack Developer with 4\-6 years of experience who masters both **front\-end** (user interface) and **back\-end** (servers, databases, business logic) development. In this role, the focus will be on: * Building interactive components with **React** and **Next.js**. * Managing multiregional content with **Contentful CMS**. * Optimizing web performance and user experience. **Location:** México **Experience Level:** 4\+ years **English:** B2–C1 *Full\-time \| Engineering* ✈️ **Valid visa is preferable** **Key Responsibilities** * Design, develop, and maintain full stack web features for Lucid's US and EU market websites * Build and integrate **React\-based front\-end** components with a focus on performance, accessibility, and responsiveness. * Implement and manage content delivery pipelines using **Contentful CMS**, including content modeling, **API integrations**, and localized content management for multiple regional markets * Develop and optimize server\-side rendered (SSR) pages using **Next.js** to ensure fast load times, strong SEO performance, and scalable architecture * Collaborate with UX/UI designers to translate wireframes and design specs into polished, production\-ready web experiences * Support multi\-region **content strategies, including multi\-language and multi\-locale configurations** within **Contentful** * Participate in code reviews, technical planning sessions, and agile ceremonies * **Monitor and improve Core Web Vitals**, page performance, and cross\-browser compatibility * Troubleshoot, debug, and resolve production issues in a timely manner * **Document technical implementations**, component libraries, and integration workflows **Requirements** **Must‑Have Qualifications** * **5\+ years** of full stack development experience. * Proficiency in **React.js** (hooks, state management, component architecture). * Hands\-on experience with **Next.js** (SSR, SSG, App Router). * Knowledge of **Contentful CMS** (content modeling, REST/GraphQL APIs, localization). * **JavaScript (ES6\+)** or **TypeScript**. * **HTML5, CSS3**, and responsive design principles. * Experience with **Git** and collaborative workflows (GitHub/GitLab). * **Intermediate\-advanced English** (technical meetings and documentation). **Nice‑to‑Have Skills** * Experience with **automotive or consumer brand websites**. * Knowledge of **EU web regulations** (GDPR, WCAG 2\.1\). * CI/CD pipelines with **Vercel or AWS**. * Design systems with **Storybook or Tailwind CSS**. * Back\-end development with **Node.js**. * Analytics and A/B testing integrations (**Google Tag Manager, Optimizely**). **Soft Skills** * **Teamwork**: Collaboration with designers, marketers, and developers. * **Problem\-solving**: Debugging and code optimization. * **Adaptability**: Quick learning of new technologies. * **Clear communication**: Explaining technical concepts to non\-technical stakeholders. **Benefits** Benefits* Sueldo base * Seguro de Gastos Médicos Mayores (incluye plan dental y visión) * 15 días de aguinaldo * 25% de prima vacacional * 12 días de vacaciones (A partir del primer año) * Seguro social * Vales de despensa quincenales