Fullstack Developer - Web & Mobile (React/Next.js/Expo)
23 hours ago
Madrid
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.