Trabajo Blockchain Developer en Madrid

Senior Golang Developer with Blockchain Expertise GenLayer Labs is a decentralized AI research collective building the trust infrastructure for the AI Age. We are the developers of GenLayer—an open, AI-driven Court of the Internet—a synthetic jurisdiction where autonomous agents and protocols can reason, transact, and govern at machine speed with sovereignty, transparency, and trust. Our...

Full Stack Developer - Blockchain & IoT ProjectsUbicación: A Coruña (semipresencial)Tipo de contrato: Jornada completaEmpresa: Centro Tecnológico en expansiónDepartamento: Industria Digital / I+D¿Te apasiona el desarrollo de software y las tecnologías emergentes como Blockchain, IoT o visión artificial? ¿Te gustaría formar parte de un equipo innovador en un entorno industrial de vanguardia? ¡Esta...

A pioneering blockchain firm in Madrid seeks a Blockchain Engineer to design and implement Solidity smart contracts for wallets and vaults. The role emphasizes end-to-end ownership of product features, ensuring security and efficiency. Candidates should have over 4 years of experience in smart contract development, a product-oriented approach, and a strong understanding of Ethereum architecture....

A blockchain solutions company in Madrid is seeking an experienced backend developer to enhance its blockchain protocol. You will engage in architectural decisions, problem-solving, and high-scale backend service development. Ideal candidates possess over 5 years of engineering experience, are familiar with cryptography, and have a collaborative spirit. This role offers a dynamic environment...

About the job Blockchain Engineer - Spain (Remote) One of our clients based in CA, USA is looking to hire 8 talented Blockchain Engineers globally to join their growing team. The ideal candidate will have a strong background in blockchain development, with a focus on developing and implementing innovative solutions for our clients. As a Blockchain Developer, you will be responsible for...

Cómo incluir certificaciones en blockchain en tu currículum Para ser un profesional con un elevado nivel de especialización, tienes que mantener al día con los avances en el campo del blockchain. Para lograrlo, tienes que educarte constantemente, esto lo puedes hacer de forma autónoma, pero lo ideal es que hagas cursos que los que se entreguen certificados. De esa forma, el conocimiento que...

A fintech company based in Madrid is seeking an experienced Senior Backend Developer. The successful candidate will work on developing and maintaining backend components for multiple services. Responsibilities include collaborating with product managers and improving existing services. Candidates should have at least 5 years of experience with Node.js and Javascript, alongside strong database...

Una empresa tecnológica innovadora en Barcelona busca un Desarrollador que colabore directamente con su CEO en la creación de proyectos funcionales. Se valora la experiencia en Python, herramientas de inteligencia artificial y blockchain. Se ofrece un entorno dinámico con modelo de trabajo híbrido, enfocado en la innovación y alta autonomía. No es necesario ser senior, pero sí tener iniciativa y...

About The Job As a senior Backend Developer, you will be a part of the team that works on the development and maintenance of the backend components of multiple services related to the platform. Responsibilities - Work closely with developers, product managers, designers, and other stakeholders to translate requirements into clear, practical architectures. - Improve existing core backend...

A leading tech recruitment agency is seeking a crypto-native Head of Growth to join their remote team. The successful candidate will drive adoption, build developer communities, and expand partnerships within the blockchain ecosystem. Responsibilities include collaborating with co-founders on strategy, executing marketing campaigns, and representing the company at industry events. Candidates...

¿QUÉ ES TELEFONICA TECH? Telefónica Tech es la compañía líder en trasformación digital del Grupo Telefónica. Contamos con una amplia oferta de servicios y soluciones tecnológicas integradas de Ciberseguridad, Cloud, IoT, Big Data, Inteligencia Artificial y Blockchain, con la que acompañamos a nuestros clientes en su transformación digital. www.telefonicatech.com ¿QUÉ HACEMOS EN EL EQUIPO? La...

Telefónica Tech es la compañía líder en trasformación digital del Grupo Telefónica. Contamos con una amplia oferta de servicios y soluciones tecnológicas integradas de Ciberseguridad, Cloud, IoT, Big Data, Inteligencia Artificial y Blockchain, con la que acompañamos a nuestros clientes en su transformación digital. Somos un grupo de más de 6200 personas valientes que trabajamos a diario desde...

Join Tether and Shape the Future of Digital Finance At 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 technology, Tether enables you to store,...

Senior Front-End Developer, Engineering (Vue) About Echo Base Echo Base is a privately funded investment platform focused on special situations and strategic opportunities within the digital asset ecosystem. We acquire, finance, and build companies where our operational expertise and capital can unlock outsized value. Our team combines institutional investment discipline with crypto-native...

GFT es una compañía pionera en transformación digital que desarrolla soluciones sostenibles basadas en nuevas tecnologías como la inteligencia artificial y blockchain / DLT. Los expertos de GFT crean e implementan aplicaciones de software escalables que hacen que el acceso a modelos de negocio innovadores sea seguro y sencillo. Qué estamos buscando Actualmente tenemos un puesto vacante para un...

A leading tech recruitment agency is seeking a crypto-native Head of Growth to join their remote team. The successful candidate will drive adoption, build developer communities, and expand partnerships within the blockchain ecosystem. Responsibilities include collaborating on strategy, executing marketing campaigns, and representing the company at events. A competitive compensation package...

Overview Join Tether and Shape the Future of Digital Finance. At 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 technology, Tether enables you to...

As a Blockchain Engineer (Smart Contracts) at Openfort, you’ll take large areas of ownership across our onchain product surface: smart contracts, wallet / vault architecture, and the developer experience around them. Because we build developer tooling, engineering and product are tightly connected. We value simple primitives, intuitive APIs, and rapid iteration. This isn’t just about shipping...

Telefónica Tech es la compañía líder en trasformación digital del Grupo Telefónica. Contamos con una amplia oferta de servicios y soluciones tecnológicas integradas de Ciberseguridad, Cloud, IoT, Big Data, Inteligencia Artificial y Blockchain, con la que acompañamos a nuestros clientes en su transformación digital. Somos un grupo de más de 6200 personas valientes que trabajamos a diario desde...

GenLayer Labs , busco incorporar a una persona desarrolladora para trabajar directamente conmigo , ayudándome a ejecutar y materializar ideas de forma continua en proyectos reales. El rol no es tradicional ni encaja en una estructura corporativa clásica. Se trata de colaborar estrechamente en la creación de prototipos, herramientas y productos, con un enfoque claramente y en un entorno...