Empleos de full stack dev blockchain en Madrid

We are looking for a Senior Full-Stack / Gen AI Engineer to join an international AI Products team working on the evolution of a secure, enterprise-grade GPT platform. 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,...

Somos Plexus Tech, una tecnológica con más de 5.000 profesionales desarrollando productos y servicios de innovación que mejoran la vida de personas y compañías. Apostamos por el talento en desarrollo e integramos perfiles junior en el corazón de nuestros proyectos más innovadores. Formarás parte activa de proyectos reales y con impacto, desde el...

Somos Plexus Tech, una compañía tecnológica con más de 4.000 profesionales y más de 25 años de experiencia desarrollando productos y servicios de innovación que mejoran la vida de personas y empresas. Con más de 20 centros de trabajoen España y presencia global, colaboramos con casi el 80% de las compañías del IBEX35, liderando proyectos...

Somos Plexus Tech, una compañía tecnológica con más de 4.000 profesionales y más de 25 años de experiencia desarrollando productos y servicios de innovación que mejoran la vida de personas y empresas. Con más de 20 centros de trabajoen España y presencia global, colaboramos con casi el 80% de las compañías del IBEX35, liderando proyectos...

Estamos buscando el mejor talento... ¡y nos encantaría que te unieras a nuestro equipo! UST es una empresa multinacional con sede en Norteamérica, certificada como Top Employer, con más de 35.000 empleados en todo el mundo y presencia en más de 30 países. Somos líderes en servicios de tecnología digital y ofrecemos soluciones tecnológicas a gran...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Product Engineer (Platform) based in Spain.This is a high-impact, product-first engineering role focused on building and evolving critical backend systems that power blockchain infrastructure at scale. You will take full ownership...

Descripción de la empresaApptiva Core Technologies, company specialized in SW development, experts in Digital Transformation, Blockchain, IoTs, NFTs, Cloud, every technology based in Javascript, Python and AWS environments.Descripción del empleoApptiva Core Technologies, company specialized in SW development, Digital Transformation, Blockchain, IoTs,...

The Company Cledara helps businesses take control of their software subscriptions by providing visibility of software spend, cutting excess costs, and streamlining administrative tasks. Our platform allows companies to focus on what matters most: growing their business. With over 1,000 customers globally, we are recognized as a leader in the SaaS management...

Valsea - Where Innovation Meets Entertainment At Valsea, we’re shaping the future of entertainment with immersive, engaging experiences that captivate players worldwide. Based in sunny Marbella, Spain, our vibrant open-space office is home to an international team of developers, marketers, product owners, and much more.Valsea operates a leading scalable...

Building the Future of CryptoOur Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. Building the Future of CryptoOur Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain...

Building the Future of CryptoOur Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. Building the Future of CryptoOur Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain...

OverviewNew Mission. New Stack. New Team. Space Inch is on a new mission to redefine B2B experiences, and we're looking for AI experts to help us build the next generation of intelligent workflows. We are looking for a dedicated AI Engineer to own the end-to-end delivery of production-ready LLM services, turning complex data into fast, reliable, and grounded...

We're hiring a UX/UI Designer Intern to join one of our app squads — alongside a Product Owner, Developers, and Analysts — to design user experiences that are as beautiful as they are effective.¿Está considerando presentar su candidatura para este trabajo? Compruebe todos los detalles en esta descripción del puesto y luego haga clic en...

Forward Deployed Engineer Founding hire · 3+ yrs · Customer-facingBarcelona HQ or New York City — Hybrid (mostly remote, occasional office)Competitive base · Stock Options · Private Health InsuranceHelp us reinvent how careers grow, powered by AIOur mission Careers today move at the speed of bureaucracy with complex, slow, and shaped by outdated,...

We’re on the lookout for a talented Software Engineer (Go) 50–80K EUR | Full Remote (Spain) | Work with AI dev tools | Series A startup backed by top US VCs. Thanks for your interest in Agentero! While we’re not actively hiring for Backend Engineers right now , we’re keeping an open talent pool for exceptional candidates. If your profile is a strong...

This opportunity is only for residents in Spain At DIMÁTICA , a company recognized as a Microsoft Partner , we specialize in the design, development, and maintenance of software solutions across multiplatform environments. We are currently looking for Full Stack Developers with Node.js and React to join one of our most important international projects,...

SpainR&D – Engineering/Prod Dev /Full-Time /On-siteWho We Are: At Emburse, you'll not just imagine the future – you'll build it. As a leader in expense intelligence, we are creating a future where technology drives business value and inspires extraordinary results. Our AI-powered platform helps organizations modernize financial operations, increase...

The AI orchestration of your wildest imagination. n8n is the open workflow orchestration platform built for the new era of AI. We give technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. Backed by a fiercely inventive community and 500+ builder-approved integrations, we’re changing the...

Overview Our department’s vision is to build a Data-Driven IONOS Group. Our mission is to connect AI and BI, evolve our platforms, and empower our customers. As the central provider of the BI platform for Corporate, CTO topics, and state-of-the-art AI solutions, we support data-driven decision-making all across the IONOS Group. Currently, we are building...

Role: Senior / Principal Software Engineer Sector: Artificial Intelligence Job Type: Full-Time Salary: €80,000–€100,000 + Equity Contract Type: Direct employment with our client Hybrid – Barcelona Language: Fluent Spanish is required Visa sponsorship is not available for this role [Only interested in speaking with candidates who are comfortable...