Empleos de full stack engineer annotator en Madrid

Why Join Us? 100% remote | Global team | Full-time If you're looking to work on cutting-edge AI products, solve challenging problems, and be part of a fast-moving, high-talent team, you'll love it here. Join NineTwoThree AI Studio, a remote-first product design, engineering, and marketing studio, founded in 2012 and based in Boston. We build AI-powered web...

Joppy is looking for a proactive Product Engineer in Barcelona to design impactful features for restaurant operations. You will work on building and maintaining a full-stack platform while enhancing automation with AI.The ideal candidate has at least 3 years of experience in SaaS development, familiarity with TypeScript, React, and Node, and fluent Spanish....

Full Stack (React+Node.js) Software Engineer for Satellite Control CentersAre you looking for an innovative and well-established place to develop your professional career? GMV is a technology group with extensive experience.We are expanding our teams in theSPACE sectorto take onprojectsrelated toSatellite Control Centers.We´ll get to the point; we'll tell...

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension. Holders of strong AWS, Terraform/CloudFormation, Docker, Node.js, React, Jest...

Frontiers in Madrid is seeking a full‑stack .NET Engineer to join the Researcher Profiles Service team, building a global‑scale academic data platform with .NET Core/Framework and Vue.js. You will own high‑impact projects, collaborate across product, architecture and cross‑functional teams, and drive end‑to‑end delivery. The role emphasizes...

Parser is seeking a motivated Senior Fullstack Engineer in Madrid to join our Engineering team. You'll work on impactful projects using Java, Kotlin, and React, designing and building solutions that are vital to our mission. In this role, you will write high-quality code, mentor others, and enhance existing systems. We value creativity and collaboration,...

Mondelez International is hiring for a Digital Services team in Madrid. You will join a growing engineering squad focused on an AI-powered insights platform, designing and delivering data pipelines, AI/ML workflows, and full-stack applications.Experience with Python, AWS, Databricks, and modern web frameworks is essential. The role involves collaboration...

Taxfix, Madrid-based, is seeking a senior software engineer to build core features for our flagship product. You’ll own end‑to‑end delivery in a cross‑functional team, turning complex tax scenarios into reliable experiences with an AI‑first approach. You’ll contribute across frontend and backend with React and Node.js, collaborate with product,...

El Corte Ingles Group busca un/a FULLSTACK DEVELOPER (Frontend Focus) para unirse al equipo de e-commerce en Madrid. Diseñarás y desarrollarás funcionalidades modernas, con un enfoque en frontend y buenas prácticas de desarrollo. Trabajarás junto a equipos de producto, backend y arquitectura, liderando decisiones técnicas y asegurando código...

NTT DATA in Spain invites you to join as a Networking Remote Field Service Engineer (L1). This entry-level role provides professional remote technical support to clients by identifying and resolving incidents and problems, operating within the region.You will contribute to pre-emptive service actions to restore service quickly and gain hands-on experience...

UST is a multinational technology company seeking a Senior Full Stack Developer with deep expertise in .NET, React, Azure Cloud, and AI to join our remote Spain team. You will design, develop, and deliver cloud-native applications and collaborate with data scientists to drive AI-powered solutions across the lifecycle.The role is 100% remote (Spain) with...

IFS is seeking a Senior Full Stack Engineer to help shape and deliver a cloud-based AI carbon intelligence platform. You will lead both front-end and back-end work, influence architectural decisions, and drive high-quality software in a dynamic, diverse environment. You will collaborate across Product, AI, Platform Engineering, and other teams, champion...

Tamarind Intelligence in Málaga is seeking a Backend / Full Stack Software Engineer to join an international team building a Kubernetes-based supply platform. You will contribute to backend services using Java and Spring Boot, with optional Vue.js frontend work. You will collaborate with product managers and designers to ship features in short cycles,...

Cheiron, headquartered in Los Altos, CA, is seeking a Full Stack Engineer, Applied AI to help build its core product and infrastructure. This role spans backend systems, AI workflows, RAG and search pipelines, APIs, and the customer-facing product itself. You'll craft end-to-end features across the stack, grounding AI outputs with verifiable citations for...

Ditech Group busca un/a profesional senior en desarrollo de software para trabajar en proyectos innovadores de España (remoto). Se valoran más de 10 años de experiencia y dominio avanzado de inglés. El candidato ideal posee experiencia con Java, Spring Boot, Angular/TypeScript, APIs REST y entornos de nube. También se valoran habilidades en ingeniería...

OpenNebula Systems in Madrid-based HQ and fully remote, international team, is seeking a Senior Full-Stack Developer to advance the OpenNebula cloud management platform with a strong front-end focus while contributing to back-end when needed. You will own features end-to-end, work in Linux environments, collaborate across teams, and help evolve edge and...

Knowmad Mood, una compañía líder en transformación digital, busca un perfil senior de back-end y front-end para proyectos empresariales. Se valoran experiencia en Java 8+ y Angular 16+, APIs RESTful, Git, Maven y entornos Linux. Se aprecia conocimiento de microfrontend y Oracle DB. La empresa ofrece un entorno de trabajo híbrido y oportunidades de...

Allianz Technology is seeking an AI Full Stack Developer to design and deliver AI-powered applications within the BMP. You will work across frontend, backend, and data layers in a collaborative, international team environment, driving scalable, secure solutions for Allianz entities worldwide. Expect exposure to AI/ML, APIs, microservices, and cloud...

Remoteo en Barcelona busca un Full Stack Developer para unirse al Digital Innovation Hub. Se trabajará en desarrollo de aplicaciones web SPA con Java, Spring Boot y React, en un entorno híbrido con 3 días de teletrabajo por semana. El equipo se centra en ecommerce, configuración de producto y analytics, buscando tomar ownership, colaborar con negocio y...

Treatwell, Europe’s leading bookings platform, is seeking a full-stack engineer to join our Product Engineering team. You’ll focus 60% on frontend and 40% on backend across 13 markets, building SEO foundations, site performance, experimentation, analytics instrumentation, and growth-oriented product surfaces. You’ll partner with marketing and growth...