Empleos de react frontend developer en Barcelona

Job DescriptionJob Title: Javascript DeveloperJob Type: ContractLocation: RemoteJob Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.Key...

MindMatch en Barcelona busca Desarrollador/a Full Stack con experiencia en React y Node.js para un proyecto estratégico en medios y plataformas digitales de gran alcance. Se valorará capacidad para trabajar en frontend y backend, integración de APIs y alto rendimiento.Se ofrece contrato indefinido, salario fijo competitivo con bonificación y un entorno...

🌍 Why join this project? 🤝 People first – diverse and inclusive culture in an international environment. 📊 Work on high-impact Data & Insights initiatives across business performance, operations, finance, and commercial domains. 🚀 Help shape how data supports strategic decision-making across a large international organisation. 🧠 Explore...

Frontend Lead Engineer - Prime (Hybrid) As you contemplate your future, you might be asking yourself, what's the next step? Start your journey with us! We're seeking an experienced Engineering Manager in Barcelona or Madrid (Spain) to lead a team of backenders and frontenders engineers to foster the growth of the subscriber base for our unique subscription...

BESIDE, empresa de selección técnica, busca un Team Lead Full Stack Developer (React + PHP) para un cliente del sector e-commerce. Modalidad híbrida: 2 días presenciales en oficina y 3 días de trabajo remoto, con un equipo de 4–8 desarrolladores.Liderarás la entrega y evolución técnica, organizarás el backlog junto a Product, gestionar...

Wizeline in Barcelona, Spain, is hiring a frontend engineer to build responsive web apps using React, TypeScript, and CSS, and to develop cloud-based solutions on AWS. You will collaborate with designers, product teams, and global stakeholders to deliver high-quality features in a hybrid model.You will implement best practices, participate in code reviews,...

FullStack Developer: Conecta la lógica de negocio, las bases de datos y la IA ¿Eres de los que disfrutan viendo cómo una buena arquitectura en la base de datos cobra vida en una interfaz impecable? ¿Te motiva integrar APIs modernas y explorar el potencial de la Inteligencia Artificial en proyectos reales? Buscamos incorporar a un/a FullStack Developer...

En } ReCodme ( aceleramos el desarrollo tecnológico de nuestros clientes y colaboradores a través de soluciones especializadas, aportando valor en su continuidad y crecimiento. Creemos en la cercanía con nuestras personas y en el valor añadido que aportan a nuestro equipo y proyectos. ¡Un ReCoder es un aficionado de la tecnología, es [la clave de...

Labhouse is a Barcelona-based startup studio building AI-powered mobile apps used by hundreds of thousands of people worldwide. Our products — including Invoice Fly and Summary AI — are designed to make everyday tasks faster, smarter, and simpler through a subscription model that puts the user first.We were founded by Andrés Bou and Horacio Martos, the...

Materialise is seeking a Full-Stack Developer to join the Mimics Flow team in Barcelona. You will contribute across the stack, delivering scalable software with .NET Core back-end services and React/TypeScript front-ends within a regulated healthcare environment.You will collaborate with product, QA, and engineering teams, participate in agile ceremonies,...

Buscamos un/a Senior Full Stack Developer con enfoque AI-Native para incorporarse a un proyecto tecnológico de alto impacto, participando en el desarrollo de aplicaciones de monitorización y gestión de emisiones, así como en plataformas de Distribution, Pricing & Processing . Requisitos principales: ✅ Más de 5 años de experiencia como Full Stack...

We are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using React.js with technologies such as TypeScript, GraphQL, Jest, Cypress, and Vite, as we build the future of AI-powered digital advertising.You will also be...

Una agencia de networking especializada busca incorporar un/a Senior Full Stack Developer para su equipo en Barcelona. Se requiere experiencia en desarrollo de aplicaciones React y APIs REST, así como conocimientos en optimización de rendimiento y diseño de sistemas. Ofrecen un contrato indefinido en un ambiente colaborativo y técnico, con un modelo de...

BETWEEN Group en Barcelona busca un/a Fullstack Developer Ruby on Rails/React para ampliar su equipo. Trabajarás desarrollando y manteniendo apps web con Rails y React, diseñando bases de datos MySQL y colaborando con equipos multifuncionales.Participarás en todo el ciclo de vida del software, desde idea hasta despliegue, incluyendo pruebas unitarias e...

I'm working with a well-funded startup who are hunting for a Front End Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their existing code is robust and scalable. They have an...

Join to apply for the Frontend Engineer role at FeverHey there! We’re Fever, the world’s leading tech platform for culture and live entertainment, Our mission? To democratize access to culture and entertainment. With our proprietary cutting‑edge technology and data‑driven approach, we’re revolutionizing the way people engage with live...

As you contemplate your future, you might be asking yourself, what's the next step? Start your journey with us! We're seeking an experienced Senior Frontend Software Engineer to join our Convert Team in Barcelona or Madrid (Hybrid). In this role, you will be at the heart of what the customer experiences when searching and booking their travel on our...

Full-Stack Java + React Technical Leader - Trabajo Remoto | REF#281062Full-Stack Java + React Technical Leader - Trabajo Remoto | REF#281062En BairesDev llevamos 15 años liderando proyectos de tecnología para clientes como Google, Rolls-Royce y las startups más innovadoras de Silicon Valley. Actualmente, contamos con un equipo de 4000 profesionales...

Capitole busca un/a Software Engineer Full-Stack para unirse a una multinacional del sector HR/Payroll en Barcelona centro, con modalidad híbrida. El rol combina desarrollo Full-Stack clásico con servicios que integran LLMs, MCP y flujos de trabajo agénticos en producción.Se trabajará en Node.js + TypeScript en backend y React en frontend, diseñando...

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their existing code is robust and scalable. They have an...