Empleos de frontend javascript developer en Barcelona

Overview In this role you will own the Frontend Stack for the Backoffice applications used by internal stakeholders. You will build scalable frontend features, integrate UI with backend services, and guide other teams to extend our Backoffice tools. You will work closely with product owners and engineers to deliver production-grade, accessible web...

Festo inspires people and organizations around the world with innovative solutions for industrial automation. Frontend Developer Full Time Information Technology We are looking for a Frontend Engineer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona. In this role, you will develop high-quality web applications, reusable...

Overview As Frontend Tech Lead at Caravelo, you will shape how our frontend platform evolves as the product grows. You’ll stay hands-on while guiding architecture, standards and cross-team collaboration to keep the platform coherent and scalable. You’ll define how frontend engineers work, drive RFCs, and mentor others to build robust, reusable...

Overview As Frontend Tech Lead at Caravelo, you will shape how our frontend platform evolves as the product grows. You’ll stay hands-on while guiding architecture, standards and cross-team collaboration to keep the platform coherent and scalable. You’ll define how frontend engineers work, drive RFCs, and mentor others to build robust, reusable...

In this role you will own the Frontend Stack for the Backoffice applications used by internal stakeholders. You will build scalable frontend features, integrate UI with backend services, and guide other teams to extend our Backoffice tools. You will work closely with product owners and engineers to deliver production-grade, accessible web applications. This...

Estamos buscando un Ingeniero de Frontend III experimentado e innovador para unirse a nuestro equipo dinámico. Como miembro senior del equipo de ingeniería, jugarás un papel clave en la formación de la experiencia de usuario y en la construcción de aplicaciones web escalables y de alto rendimiento. Colaborarás estrechamente con los equipos de diseño,...

We are seeking a highly self motivated individual to become part of a startup settling in newly in Barcelona. You will contribute to the development of a new ambitious sports social media project. You will have the opportunity to grow fast with a small but dynamic team consisting of: Product Owner, Android Developer, iOS Developer, Server­side Developers,...

Engineering Manager – Europe Ashby is looking for an engineering manager who will help build a different type of engineering team and culture. The role focuses on building, coaching, and empowering a team of independent, high‑performing engineers while maintaining ownership of technical projects. Responsibilities Provide feedback on product and...

👋 At NeuralTrust, we're looking for a **Frontend Engineer** to help us scale our platform and take our technology to the next level. If you're passionate about building robust backend systems and working at the intersection of AI and security — join us! 🚀 **About NeuralTrust** We’re a Barcelona-based startup building the future of **AI and Agents...

Overview As a FullStack GO Developer, you will contribute across the software lifecycle, helping define architecture and migrate legacy software to new versions. You’ll work in a fully agile, cross-functional environment with QA, design, and product teams to raise quality and deliver high‑quality products. You will drive architectural ideas and...

Overview As a FullStack GO Developer, you will contribute across the software lifecycle, helping define architecture and migrate legacy software to new versions. You’ll work in a fully agile, cross-functional environment with QA, design, and product teams to raise quality and deliver high‑quality products. You will drive architectural ideas and...

Overview As a Senior Frontend Developer in the Bookings Group, you shape high-traffic, real-time interfaces for property managers. You will drive frontend evolution, promote shared UI patterns, and raise engineering standards across squads. You work on live data experiences with SSE and optimistic updates, support monorepo migrations, and improve tooling...

Senior IT Consultant 360º & Manager @ Talent-R | Cybersecurity, Cloud & DevOps | Business Development | LEINN GraduateAsegúrese de que toda la información de su solicitud está actualizada y en orden antes de inscribirse en esta oportunidad.OverviewThey are looking to hire a Senior Frontend Engineer to join their engineering team. The selected candidate...

Si te motiva diseñar e implementar interfaces modernas con impacto real en miles de usuarios, este rol te va a encajar. Proyecto estable, stack actualizado y foco en buenas prácticas frontend. CondicionesContrato: IndefinidoModalidad: Remoto 100% desde EspañaLugar de trabajo: Cualquier ubicación en España (preferencia: Barcelona · Reus ·...

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to...

Overview As a Senior Frontend Developer in the Bookings Group, you shape high-traffic, real-time interfaces for property managers. You will drive frontend evolution, promote shared UI patterns, and raise engineering standards across squads. You work on live data experiences with SSE and optimistic updates, support monorepo migrations, and improve tooling...

Overview As a Senior Frontend Developer in the Bookings Group, you shape high-traffic, real-time interfaces for property managers. You will drive frontend evolution, promote shared UI patterns, and raise engineering standards across squads. You work on live data experiences with SSE and optimistic updates, support monorepo migrations, and improve tooling...

We are looking for a Senior Full Stack Developer with strong AI expertise to build and deploy AI solutions in production. Backend and AI integration end to end, in an Agile Scrum team alongside data scientists, AI engineers and frontend developers. Deliverable: working software. Main Responsibilities & Key Activities: Develop scalable backend systems and...

Overview In this role, you will build and refine frontend features using React and TypeScript, collaborating with a Node.js/Express backend to deliver robust REST APIs. You’ll ensure responsive, accessible interfaces and contribute to code quality through testing and best practices. The position is based in Barcelona with hybrid work options, inviting you...

System design feature (60 min) We're here to help make tech reliable, affordable, and better than new . We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Turns out refurbished tech is way better for the planet than new....