Empleos de senior fullstack engineer en Madrid

At Capitole, we keep growing and we want to do it with you!We are looking for a Senior Fullstack Engineer with a strong frontend mindset to join an international project.You will contribute to the evolution of the central platform used by developers across the organization, working on modern frontend experiences, Backstage integrations, and cloud-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...

At Equitable Earth, we're on a mission to help protect and restore 1% of the natural world by 2030. We’ve built a rigorous, technology-enabled standard to certify conservation and restoration projects, ensuring they deliver lasting impact: strengthening livelihoods, safeguarding biodiversity, and supporting a stable climate. We're a diverse, mission-driven...

Build the Infrastructure Powering Global Investing Can you design, build, and operate scalable distributed systems whilst still shipping customer-facing products? Have you built software that serves millions of users, processes large volumes of data, or supports mission-critical business operations? Do you enjoy solving complex engineering challenges across...

Our client is transforming the car rental industry through anasset-light, data-driven platformthat helps local businesses turn vehicles into new revenue streams. With200,000+ customers, 5,000+ vehicles, 500+ rental locations and 1,500+ partnersacross6 countries, they're scaling the technology behind a growing international mobility platform.Role...

Build the Infrastructure Powering Global InvestingCan you design, build, and operate scalable distributed systems whilst still shipping customer-facing products?Have you built software that serves millions of users, processes large volumes of data, or supports mission-critical business operations?Do you enjoy solving complex engineering challenges across...

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...

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...

About our clientOur client builds a leading digital identity and fraud prevention platform used by banks, fintech companies, online marketplaces, and other regulated businesses worldwide. Their products combine biometric identity verification, document and image processing, and advanced fraud detection to help customers balance frictionless digital...

GE Vernova's Grid Automation division seeks a Senior Software Developer to join the Grid Beats team. Design, develop, test, and maintain high-quality software components across the portfolio, collaborating with architects, product owners, QA, and systems engineers to translate requirements into reliable solutions. This role emphasizes platform integration,...

We are bsport. The place to be!bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...

AtWorkfully, we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide.Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage company...

zooplus is seeking a Senior Frontend Platform Engineer in Madrid to shape the shared frontend platform powering customer experiences across Europe. You'll design and evolve platform capabilities, improve developer workflows, and collaborate with engineers across teams to deliver scalable frontend solutions used by millions of customers. Hybrid work 60/40...

Senior Fullstack Engineer Who is Parser? Technology alone does not create impact—the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement.We are a fast-growing team of 340+ engineers...

Desde E-Frontiers, buscamos un Full Stack Engineer para uno de nuestros clientes, una empresa líder en tecnología que desarrolla soluciones de búsqueda avanzadas para e-commerce, ayudando a las tiendas online a incrementar sus ventas. ¿Tienes experiencia en backend y ganas de aprender Elixir ? ¡Esta oportunidad es para ti! Sobre el puesto: Únete a un...

Capitole is growing fast and seeking a Software Engineer in Barcelona to join a multidisciplinary team building Drives Configuration and Programming software for a global leader in industrial automation.You will own features end-to-end, design solutions, review code, and collaborate with teams across Japan, the US and the Netherlands to deliver high-quality...

Appfire is hiring a software engineer to build and improve Jira-related products with a focus on JMWE/JMCF, collaborating across a cross-functional team. You’ll influence product direction, design scalable cloud apps, and mentor teammates in a transparent environment.The role emphasizes performance, UX improvements, and exploring AI capabilities, with a...

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,...

Capitole is seeking a Senior Fullstack Engineer with a strong frontend mindset to join an international project. You will contribute to the evolution of the central platform used by developers across the organization, focusing on modern frontend experiences, Backstage integrations, and cloud-native solutions. You will develop React-based UI components, build...

En WayOps buscamos un perfil Senior Fullstack AI Engineer para uno de nuestros clientes, para participar en el diseño, desarrollo y evolución de aplicaciones corporativas dentro de un ecosistema digital complejo, con foco en arquitectura, integración de sistemas, desarrollo end-to-end y automatización inteligente mediante Inteligencia Artificial. EQUIPO...