web3 fullstack engineer

We are a young Web3 Studio committed to build top-quality software solutions that empower the people. Based in Madrid and working with international big players around the Web3 Industry.We are looking for skilled Fullstack Engineers to join our Web3 development team and get involved in real-impact projects around the IOTA ecosystem. As a Boxfish Web3...

Sobre Unlimiteck Unlimiteck 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;...

About the CompanyNN 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...

We are on a mission to pioneer the world's next era of play. As we grow across Europe and Latin America, we're building The Playstack - the technology powering the next generation of sports, gaming, and fan experiences. Join us, and help make it the most widely used platform in the world! From operations, to marketing, to product, we are looking for talented...

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...

En Madison Experience Marketing buscamos un/a Desarrollador/a Senior MS Power Platform & LOW-code para integrarse en nuestro equipo de TI, en dependencia del responsable de plataformas. Dentro de las iniciativas del área se ha iniciado un proceso de transformación digital y modernización con el objetivo de transformar la información en conocimiento...

Zinco es el SOCIO estratégico para las pymes más exigentes de España.Si le interesa solicitar este empleo, por favor, asegúrese de cumplir los siguientes requisitos que se enumeran a continuación.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...

Lever, Inc. is seeking a Trenches / Web3 Frontend Developer based in Spain to own frontend experiences for high‐ownership onchain trading terminals across Solana and EVM.You will shape real-money trading surfaces, implement latency‐sensitive interfaces, and unify wallet experiences across platforms. You will work in a remote-first, AI‐native...

We are on a mission to pioneer the world’s next era of play. As we grow across Europe and Latin America, we’re building The Playstack - the technology powering the next generation of sports, gaming, and fan experiences. Join us, and help make it the most widely used platform in the world! From operations, to marketing, to product, we are looking for...

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...

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 do As a FullStack Engineer, you will have plenty of opportunities to help us take the needed steps to modernise our...

Lever, Inc. is seeking a Trenches / Web3 Frontend Developer based in Spain to own frontend experiences for high‑ownership onchain trading terminals across Solana and EVM.You will shape real-money trading surfaces, implement latency‑sensitive interfaces, and unify wallet experiences across platforms. You will work in a remote-first, AI‑native...

Join one of Southern Europe's fastest-growing startups Enginy 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...

We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products. You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands‑on role requiring deep involvement in architecture, complex technical challenges, and production development. We...

ABOUT CODEWAY Codeway builds category-leading consumer AI apps on mobile and web, at global scale. 600M+ downloads. 60+ apps. 400+ builders across Barcelona and İstanbul. Completely bootstrapped. No board. Profitable since year two. Small teams move faster than big ones. But they need big resources to win at scale. Nobody starts from zero. The problem...

¿Fullstack, Platform Engineering, Cloud y Developer Experience en una misma posición? Desde Q-tech estamos colaborando con una gran compañía tecnológica internacional para incorporar un/a Platform Fullstack Engineer a su hub tecnológico de Barcelona. Pero ojo: no buscamos simplemente a alguien que haga frontend + backend. Buscamos un perfil con...

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...

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 opportunities to...

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.Si cree que es el...

At Experis, a ManpowerGroup company, we specialise in recruiting the best tech talent and matching them with all kinds of organisations, from large corporations to start-ups. We are a company specialising in IT consultancy and the recruitment of professionals in the technology sector across our three practice areas: Business Transformation, Cloud &...