Fullstack Developer - Web & Mobile (React/Next.js/Expo)

Infoempresa.com; Comunidad de Madrid; Presencial; 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

We are a tech company focused on digital entertainment services, with a strong commitment to innovation, artificial intelligence and the creation of new digital products. We’re looking for a React Fullstack Developer to join our Product Tech team, driving the evolution of our content portals and digital applications across more than 20 countries.

Your Role

• 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 and maintainable components with a strong focus on performance, accessibility and UX.
• Work fullstack, connecting frontend, mobile apps, APIs, backend services and external systems.
• Participate in technical architecture decisions, standards definition and best practices.
• Coordinate and support small external development teams to ensure alignment, quality and on-time delivery.
• Review code, validate technical solutions and help unblock issues during development.
• Connect to Linux servers when needed to review logs, diagnose incidents or validate deployments.
• Ensure best practices in security, authentication, token/session management and API communication.
• Deliver stable builds to QA, reducing defects and improving the release process.
• Use advanced AI development tools (code assistants, agents, documentation generators, testing automation, error analysis, etc.).
• Participate in agile ceremonies, communicating progress, blockers and risks clearly.

What We’re Looking For

• 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.
• Ability to connect to Linux servers, review logs and diagnose service issues.
• Experience with Git workflows, pull requests and collaborative development.
• Knowledge of App Store and Google Play deployments.
• Familiarity with testing, QA, debugging, monitoring and performance analysis.
• Experience using AI tools for development (Antigravity, Cursor, Cline, Claude Code, agents, MCPs, etc.).
• Ability to coordinate small technical teams, especially external or international resources.
• Strong technical judgment, autonomy and results-oriented mindset.
• Excellent communication skills with both technical and non‑technical stakeholders.
• High level of English for daily communication with international teams.

Nice to Have

• Experience in environments combining web, mobile and backend development.
• Background in international digital products, content portals, entertainment services, subscription or multi-country distribution.
• Experience leading technical deliveries end-to-end.
• Ability to translate business needs into pragmatic technical solutions.
• Continuous improvement mindset, automation and smart use of AI tools.
• Experience working with external providers or distributed teams.
• Knowledge of CI/CD, automated deployments, observability, analytics, tracking or digital monetization.

What We Offer

• Permanent contract with competitive salary.
• Flexible start time (8:00-9:30h).
• Hybrid work model (2 days remote per week after 6 months).
• Active participation in web and mobile projects with real impact.
• Continuous training, including AI-powered development tools.
• Flexible compensation: childcare, transport, health insurance.
• Social benefits: meal vouchers and Wellhub gym discounts.
• A dynamic, creative and fast‑evolving team with room to grow, propose and take ownership.