Empleos de web3 fullstack engineer en Madrid

Zinco es el SOCIO estratégico para las pymes más exigentes de España. Trabajamos con todo tipo de empresas, desde pymes y startups como Embat o Payflow hasta corporaciones como LVMH o Gant. Nuestra misión es clara: ayudar a fundadores y CEOs a hacer sus empresas más rentables y escalables, ocupándose de todo lo profesional, fiscal, laboral, contable y...

NN Digital Hub is a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units from Nationale Nederlanden Group. FullStack Engineer Your Impact as FullStack Engineer What are you going to do? As a FullStack Engineer, you will have plenty of...

Zinco es el SOCIO estratégico para las pymes más exigentes de España.Trabajamos con todo tipo de empresas, desde pymes y startups como Embat o Payflow hasta corporaciones como LVMH o Gant.Nuestra misión es clara: ayudar a fundadores y CEOs a hacer sus empresas más rentables y escalables, ocupándose de todo lo profesional, fiscal, laboral, contable y...

Sobre Unlimiteck¿No sabe con seguridad qué habilidades necesitará para esta oportunidad? Simplemente lea la descripción completa a continuación para obtener una idea clara de los requisitos del candidato.Unlimiteck es mucho más que un company builder: es el origen de un ecosistema tecnológico diseñado para crear, lanzar y escalar compañías capaces...

NN Digital Hub is a subsidiary company of NN Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units.FullStack EngineerYour Impact as FullStack Engineer: What are you going to doAs a FullStack Engineer, you will have plenty of opportunities to help us take the needed steps to modernise our frontend...

About the Company NN Digital Hub is a subsidiary company of NN Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units. NN Netherlands is the head office of NN Group, a financial services group with over 180 years of history, helping people care for what matters most to them. We are committed to the...

Capitole keeps growing and we want to do it with you!We are looking for aFullstack Engineer (Frontend-Oriented) with 4+ years of experience.The focus lies on developing frontend components, implementing Backstage integrations, and contributing to the technical advancement of the portal within the joint team.Responsibilities:Develop and enhance React based UI...

Sobre UnlimiteckUnlimiteck es mucho más que un company builder: es el origen de un ecosistema tecnológico diseñado para crear, lanzar y escalar compañías capaces de transformar industrias.Desde su nacimiento, Unlimiteck ha apostado por una forma distinta de construir empresas: equipos pequeños, altamente especializados y con mentalidad emprendedora;...

3–5 years in QA/quality engineering, hands-on with both manual/functional and automated testingSolid test-case design, execution, and regression testing discipline (able to own recurring daily/regression sweeps)Working knowledge of core Web3 flows: wallet connections (MetaMask, Trust Wallet, WalletConnect), transaction signing, and on‑chain vs...

Buscamos un Ingeniero Fullstack para resolver problemas complejos, construyendo y manteniendo servicios backend en Python y interfaces frontend en React. Serás dueño de tus funcionalidades, desde la concepción hasta el despliegue.

We develop and implement smart and efficient IT solutions to deliver the best experience. Retail sector. Take advantage of the opportunities to progress your career at the Barcelona location.Se anima a todos los posibles solicitantes a que se desplacen y lean la descripción completa del puesto antes de presentar su candidatura.Fullstack Mobile Engineer The...

En N-iX nos encontramos en la búsqueda de un/a Senior .NET FullStack Engineer para sumarse a nuestro equipo de Desarrollo de Software e integrarse a una de nuestras células Scrum. Cada equipo ágil está conformado por roles de liderazgo técnico, desarrollo, arquitectura, QA, producto y gestión de proyectos.Buscamos un perfil Senior Full Stack con...

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain...

At Goodweek, we're building a next-generation AI tool designed to revolutionize business productivity. We are focusing on delivering a secure, scalable, and reliable system that supports real business use cases across different departments. The goal is to make AI practical, controlled, and truly embedded in how modern organizations operate.Our team spans...

Our client is transforming the car rental industry through an asset-light, data-driven platform that helps local businesses turn vehicles into new revenue streams. With 200,000+ customers, 5,000+ vehicles, 500+ rental locations and 1,500+ partners across 6 countries, they're scaling the technology behind a growing international mobility platform. Role...

Join BLP and help make the world’s business processes autonomous! Our agentic platform helps finance and operations teams worldwide remove manual work from their core business processes, so work runs end-to-end with greater control and significant productivity gains. Today, over 550 enterprise customers use BLP across 1,300+ deployed projects. In the...

At Goodweek, we're building a next-generation AI tool designed to revolutionize business productivity. We are focusing on delivering a secure, scalable, and reliable system that supports real business use cases across different departments. The goal is to make AI practical, controlled, and truly embedded in how modern organizations operate. Our team spans...

Join BLP and help make the world's business processes autonomous!Inscríbase rápido, consulte la descripción completa desplazándose hacia abajo para conocer todos los requisitos de este puesto.Our agentic platform helps finance and operations teams worldwide remove manual work from their core business processes, so work runs end-to-end with greater...

About Tuyo exists to help people progress in their financial life. It is a self-custodial crypto money app, bringing together wallets, stablecoins, banking rails and cards while customers control their keys and funds.¿Está considerando presentar su candidatura para este trabajo? Compruebe todos los detalles en esta descripción del puesto y luego haga clic...

Join one of Southern Europe's fastest-growing startupsEnginy 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 research and...