Empleos de remote fullstack engineer en Madrid

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...

Adsearch busca un/a Fullstack Engineer para una compañía en crecimiento donde la tecnología y la automatización son clave para desarrollar soluciones digitales. El rol exige autonomía y mentalidad de producto, capaz de trabajar tanto en backend como en frontend, asumiendo la responsabilidad de las aplicaciones de principio a fin. Entre las tareas se...

Moonfire is a small, fully remote team of senior engineers building Lingo.dev tools used by developers worldwide. You will design, develop, and scale web applications, open source tooling, and robust APIs with a focus on performance and UX. We value CS craft, remote collaboration, and ownership of features end-to-end. You’ll work across frontend, backend,...

Affirm, Inc. is seeking a Software Engineer II, Fullstack (Repayment UX) to join a Europe-based team focused on reliable, scalable repayment experiences. The role operates from Spain with a remote-first policy, collaborating across product, design and analytics. Expect on-call rotations and opportunities to impact millions of users with high-scale financial...

Aircall is a unicorn AI-powered communications platform redefining how teams engage customers. We are seeking a Senior Full-Stack Engineer on the Growth team to design, build, and iterate onboarding and activation flows. You will work with React, NodeJS, TypeScript, hosted on AWS, delivering frontend-focused experiences with solid backend capabilities....

Se busca Ingeniero Full Stack con al menos 5 años de experiencia backend para aprender Elixir. El puesto implica diseñar, desarrollar y mantener sistemas, colaborar en soluciones escalables y crecer en el uso de Elixir. Se ofrece contrato indefinido, trabajo híbrido/remoto, formación y horario flexible.

Grupo Digital busca un desarrollador Fullstack con experiencia en backend, frontend y microservicios para diseñar y desplegar soluciones IA en entornos empresariales. Se esperan skills en Java/Spring Boot, Python y React/TypeScript, con integración de IA Generativa y LLMs. Se trabajará en proyectos con arquitectura de microservicios, APIs REST y bases de...

At Roche you can show up as yourself, embraced for the unique qualities you bring. As aCustom Software Developer, you act as a seasoned expert who takes ownership of tasks and drives quality. You will challenge the status quo, foster collaboration and mentorship, and design complex software solutions utilizing strong full-stack expertise. By possessing...

We are knowmad mood ! Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de...

A technology firm in Madrid seeks a Fullstack Developer to join a technical team focused on quality and impactful projects. The candidate will develop and maintain web applications, participate in all software life cycle phases, and work in cloud environments. Essential qualifications include knowledge of Object-Oriented Programming and experience with...

GP DIGITAL busca un perfil Fullstack con IA y experiencia en backend, frontend y microservicios, capaz de liderar soluciones desde diseño hasta despliegue. Se valorará incorporar IA Generativa, LLMs y soluciones RAG en entornos empresariales con productos del Ecosistema IBM.Se ofrece desafedo en una posición de Watson y la posibilidad de trabajar con...

Senior Software Engineer - Full stack Location: Noida, UP, IN BCR (Barco Control Rooms) The Barco Control Rooms business unit is making workflow and visualization solutions for the Control Room market since to help operators collect, visualize and share critical information for optimal mission-critical decision making. Today, we are still the number one...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work...

Collective.work in Madrid is seeking a freelance software engineer to build features on the React frontend and Node.js backend, integrate AI APIs, and connect ATS tools. You will collaborate with product and engineering teams to deliver scalable, reliable code from concept to production. This onsite role in Madrid offers flexible start dates and contract...

Full Stack Engineer (Artificial Intelligence) Get AI-powered advice on this job and more exclusive features. We are seeking an experienced Full Stack Software Engineer to join our AI Team to develop cutting-edge artificial intelligence solutions. This role involves building new innovative software applications and improve them based on client feedback....

Role Description You build the systems that actually make AI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in...

T-Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide.We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers' experience. We trust people: we offer autonomy, continuous support, and a...

We're looking for a Full-Stack Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally. At Seedtag, our goal is to lead the change in the advertising industry because we believe that effective advertising should not be at odds with users' privacy. Every day, our teams develop new services that reach...

At Roche you can show up as yourself, embraced for the unique qualities you bring. As a Custom Software Develope r, you act as a seasoned expert who takes ownership of tasks and drives quality. You will challenge the status quo, foster collaboration and mentorship, and design complex software solutions utilizing strong full-stack expertise. By possessing a...

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;...