Senior React Fullstack Engineer - Web & Mobile, AI-Driven

Infoempresa.com; Comunidad de Madrid; Híbrido; EUR 45.000 - 60.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Flexible start time

AI-powered development tools

Meal vouchers

Wellhub gym discounts

Health insurance

Descripción de la vacante

Infoempresa.com, a tech company focused on digital entertainment services, is seeking a React Fullstack Developer to join its Product Tech team in Madrid. You will drive evolution of content portals and digital apps across 20+ countries, building web and mobile products with Next.js and Expo.

You will lead frontend and backend integration, contribute to architecture, and coordinate external teams while delivering high-quality, scalable components and secure API communication.

Formación

• 5+ years of professional experience building web and mobile products with React, TypeScript, Next.js and Expo.
• Advanced knowledge of modern frontend development (components, hooks, state management, performance, architecture).
• Experience building web products with Next.js (routing, API consumption, modern rendering, i18n, deployments).
• Experience building and maintaining mobile apps with Expo.
• Knowledge of Expo SDK (expo-router, expo-updates, expo-notifications, expo-auth-session, etc.).
• Experience with Expo EAS (builds, submits, OTA updates, environment management).
• Fullstack mindset with ability to work with APIs, backend services and databases.
• Practical backend experience with Node.js, plus PHP or equivalent technologies.

Responsabilidades

• Build and evolve digital products for web and mobile using Next.js and Expo.
• Contribute to the continuous improvement of international content portals and apps.
• Develop new digital products for multiple markets and platforms.
• Work with a web-first approach, creating solid web solutions that can evolve into mobile apps when needed.
• Design and implement reusable, scalable components with focus on performance, accessibility and UX.
• Work fullstack, connecting frontend, mobile apps, APIs, backend services and external systems.
• Participate in technical architecture decisions and best practices.
• Coordinate and support external teams to ensure alignment and on-time delivery.
• Review code, validate solutions and help unblock issues during development.
• Connect to Linux servers to review logs and validate deployments.
• Ensure security, authentication and API communication best practices.
• Deliver stable builds to QA and improve release process.
• Use AI development tools and participate in agile ceremonies.

Conocimientos

React

TypeScript

Next.js

Expo

API integration

Git workflows

CI/CD

English communication

Herramientas

Next.js

Expo

Node.js

PHP

Git

expo-router

expo-updates

Descripción del empleo

Infoempresa.com, a tech company focused on digital entertainment services, is seeking a React Fullstack Developer to join its Product Tech team in Madrid. You will drive evolution of content portals and digital apps across 20+ countries, building web and mobile products with Next.js and Expo.

You will lead frontend and backend integration, contribute to architecture, and coordinate external teams while delivering high-quality, scalable components and secure API communication.