Empleos de web3 fullstack engineer en Barcelona

Exoticca Travel UK Limited in Barcelona is seeking a Senior Back-end Software Engineer. This position involves building systems for travel product configuration and ensuring operational excellence. The ideal candidate has strong problem-solving skills, experience with AI tools, and a deep understanding of RESTful APIs. The role offers a competitive salary,...

🚀 **¡Buscamos Full-Stack Engineer para un proyecto de Inteligencia Artificial!** ¿Te apasiona el desarrollo de aplicaciones web y te gustaría participar en proyectos relacionados con la **Inteligencia Artificial y las nuevas tecnologías**? 💻🤖 La persona seleccionada participará en el desarrollo de soluciones tecnológicas enfocadas en **AI...

**We Are** Wizeline, a global AI-native 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,...

**We Are** Wizeline, a global AI-native 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,...

Join one of Southern Europe's fastest-growing startups Confidential company is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI...

At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. This makes Würth Elektronik one of the most successful companies in the Würth Group. For Würth Elektronik eiSos we are looking for you to join our team in full-time (40...

We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge, We Are Wizeline, a global AI-native 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...

We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge, We Are Wizeline, a global AI-native 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...

At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. This makes Würth Elektronik one of the most successful companies in the Würth Group. For Würth Elektronik eiSos we are looking for you to join our team in full-time (40...

About Exoticca Exoticca 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...

Benefits Ein moderner, gut ausgestatteter Arbeitsplatz erwartet dich an der Plaza Catalunya – mitten im Herzen von Barcelona. Im Rahmen unseres Engagements für ein positives und unterstützendes Arbeitsumfeld bietet unser Unternehmen eine Reihe von attraktiven Zusatzleistungen. Dazu gehören Restaurant-Gutscheine, Transportvorteile,...

At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. This makes Würth Elektronik one of the most successful companies in the Würth Group. For Würth Elektronik eiSos we are looking for you to join our team in full-time (40...

At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. This makes Würth Elektronik one of the most successful companies in the Würth Group. For Würth Elektronik eiSos we are looking for you to join our team in full-time (40...

At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. This makes Würth Elektronik one of the most successful companies in the Würth Group. For Würth Elektronik eiSos we are looking for you to join our team in full-time (40...

Senior Full-Stack / GenAI Engineer You will contribute mainly to back-end development (around 90%), with occasional front-end contributions, building secure and scalable features for document understanding, translation, APIs, automation, web usage and agentic capabilities. Design, build, test and monitor end-to-end product features. Develop and enhance...

Mozilla is hiring for a Senior Software Engineer Mozilla Foundation is committed to an internet that promotes civil discourse, human dignity, and individual expression. To an internet that catalyzes collaboration among diverse communities working together for the common good.Job details Location Remote — Spain, Germany, Canada, France, or UKCAD...

Tether is seeking a Fullstack Engineer to help QVAC application teams develop, review, test, and deliver reliable software across desktop and mobile platforms. You will shape tooling, implement AI agents, and build developer tools within a global remote team, driving automation and quality.You will work with engineers to identify improvements, own them from...

Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International client Job role: Senior Fullstack Software Engineer Job description: A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python. Location: Madrid/Barcelona (Remote) Languages required: English (C1) MANDATORY Minimum experience: 5 to 7 years Rate:...

Grupo Digital busca un desarrollador Fullstack con experiencia en backend, frontend y microservicios para diseñar y desplegar soluciones IA en entornos empresariales. Se esperan skills en Java/Spring Boot, Python y React/TypeScript, con integración de IA Generativa y LLMs.Se trabajará en proyectos con arquitectura de microservicios, APIs REST y bases de...

DescripciónA SoftNeos som una enginyeria informàtica especialitzada en el desenvolupament, gestió i distribució de serveis informàtics al sector públic i empresarial. Som una empresa altament innovadora amb un equip jove i talentós format per 12 persones que ens agrada allò que fem. Disposem de tres productes estàndard i un mercat consolidat, amb...