Empleos de web3 fullstack engineer en Barcelona

MediaMarktSaturn Technology in Barcelona seeks an experienced Fullstack Engineer to join the Technology Hub. You’ll own front and back features with TS/Node.js, React, GraphQL, and MongoDB, building scalable backend orchestration and shared infrastructure across product teams.You’ll work with GCP and Terraform, improve CI/CD with GitHub Actions, and help...

We are Merlin Digital Partner, a leading IT and digital headhunting company with over a decade of experience. We have successfully collaborated with industry leaders such as Wallapop, Glovo, Banc Sabadell, and more.Our focus is on people-centric approaches and optimizing selection processes. Our mission is to revolutionize companies by seamlessly integrating...

K-LAGAN in Barcelona is seeking a talented Fullstack Developer (Java + React) to join our Software Engineering team. You will build end-to-end applications, delivering interactive front-ends and robust back-end services in a hybrid work setting.You will work with Java, Spring Boot, React, Docker and Kubernetes, collaborating with international teams, and...

Wizeline is seeking a senior software engineer to own multiple products, leading feature development and architectural decisions. You will design, build, and scale web applications with React and Node.js, create GraphQL APIs, and optimize cloud-based services on AWS.You will guide junior developers, establish best practices, and collaborate with editorial...

Appfire, a remote-first team with 800+ employees across 28 countries, seeks a Senior Fullstack Engineer (TypeScript, Node.js and Effect.js) in Spain. You will contribute to JMWE and JMCF products, shape product decisions, and collaborate with cross-functional teams.The role offers equity eligibility, health insurance, a €400 sport allowance, and a monthly...

Krell Consulting & Training, S.L. busca un/a Senior Fullstack Developer con sólida experiencia en Java, Spring Boot y tecnologías frontend para un proyecto tecnológico con IA. La posición es híbrida en Barcelona, con aproximadamente un día presencial por semana.Se valoran experiencia en APIs REST, entornos Cloud y herramientas de IA de desarrollo, así...

Overview As a Platform Engineer, you drive scalable, reliable platform solutions that empower development teams. You translate business needs into robust frontend, backend, and infrastructural architectures while enabling self-service and strong Developer Experience. You balance agility and security to reduce friction and accelerate delivery across...

AtWorkfully, we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide.Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage company...

WeAI, en Jungle, busca un/a AI Solutions Engineer para unirse al equipo y transformar visión en productos de IA en Barcelona. Se trabajará en desarrollo full stack asistido por IA, integración de agentes y orquestación de LLMs, con foco en calidad, seguridad y escalabilidad.El puesto requiere colaboración con equipos de producto y diseño, y un enfoque...

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...

We are: Wizeline, a global AI-centric technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. With the right...

DescriptionAbout ExoticcaExoticca is a pioneering online travel agency that has revolutionized the conception, production, and e-commerce of long-distance dream trips. At the core of Exoticca's brand equity is the commitment to "creating life milestones." We believe in delivering best-value trips, exploring unique destinations, curating extraordinary travel...

Overview As a Software Engineer on the self-service cloud growth team, you will contribute to the onboarding experience for self-service customers and trial users, shaping how users adopt Elastic Cloud. You will build scalable front- and back-end features that streamline onboarding and trial workflows, collaborating with product and design to deliver a...

Overview As a Platform Engineer, you drive scalable, reliable platform solutions that empower development teams. You translate business needs into robust frontend, backend, and infrastructural architectures while enabling self-service and strong Developer Experience. You balance agility and security to reduce friction and accelerate delivery across...

Accessiway, based in Barcelona, is searching for a Mid-level / Senior Fullstack Developer to enhance digital accessibility.¿Le interesa este puesto? Puede encontrar toda la información relevante en la descripción a continuación.You'll play a crucial role in designing and developing high-quality services, ensuring a seamless user experience through a...

Sopra Steria in Barcelona seeks an experienced software engineer to join our agile teams in building scalable applications.Se pueden requerir diversas habilidades interpersonales y experiencia para el siguiente puesto. Por favor, asegúrese de consultar la descripción a continuación con atención.You will develop with Java, Angular, and Spring Boot, while...

Your TasksWe're looking for an experienced Fullstack Engineer to join our Platform team; a small, high-impact team that boosts the effectiveness of three teams building our store experiences. You'll be embedded in the centre of how we build and run software: owning shared infrastructure, shaping our backend orchestration service, and helping different teams...

Desde Krell Consulting estamos buscando un Full stack - Angular Responsibilities Develop and maintain UI components using Angular 2+. Integrate frontend applications with RESTful APIs. Participate in architectural discussions and propose technical solutions. Estimate development efforts and implement user stories (Jira). Ensure code quality...

Build a career powered by innovations that matter! At Novanta, our innovations power technology products that are transforming healthcare and advanced manufacturing—improving productivity, enhancing people’s lives and redefining what’s possible. We create for our global customers engineered components and sub-systems that deliver extreme precision and...

Overview In this role you will lead backend architecture and develop scalable Python services with FastAPI while contributing to frontend with ReactJS. You will drive technical decisions, promote best practices, and collaborate with product and engineering teams to deliver robust, high-performance solutions for thousands of concurrent users. The role...