Empleos de full stack engineer annotator en Madrid

Senior AI-First Full-Stack Engineer MaxIT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across...

Noloco is seeking a Senior Full Stack Software Engineer to own features across frontend and backend, building AI-powered tools and scalable APIs. You’ll work on GraphQL, Node.js, React, and data models, delivering delightful UX and robust performance. In a hybrid setup with Barcelona as a base, you’ll collaborate across product, design, growth, and...

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...

A leading recruitment agency is looking for a Senior Consultant specializing in AI, Semiconductor, and Embedded Systems in Madrid. The role involves taking ownership of AI solutions from concept to production, building intelligent systems, and collaborating across teams to deliver robust AI solutions. Ideal candidates should have strong Python skills,...

Jobtailor in Madrid seeks a French-speaking Full‑stack AI Engineer to collaborate with customers from onboarding to deployment. You will build features using React, TypeScript, Node.js, and Python, and design AI/ML solutions including LLM prompting and tuning to support valued customer outcomes. You will manage APIs and third‑party integrations while...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality. We value strong CS fundamentals,...

A pioneering healthcare technology company based in Barcelona is seeking a Senior Full Stack ML Engineer to lead the development of innovative machine learning models targeted at solving complex healthcare challenges. The role demands strong Python skills, experience in data science, and the ability to mentor colleagues. As part of a collaborative team, you...

T-Systems sucht einen Senior Software Developer mit umfangreicher Expertise in Java, Angular und DevOps-Technologien. Sie entwerfen und warten Front-End-, Back-End- sowie DevOps-Lösungen und arbeiten eng mit Product Ownern sowie funktionsübergreifenden Teams zusammen, um Anforderungen zu erfüllen. Sie gestalten Software-Lösungsdesigns, setzen Standards...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior AI-First Full-Stack Engineer to lead the creation of an AI-powered workforce platform for healthcare. You will own the full product surface, collaborating with founders and cross-functional teams, and apply AI tools to accelerate development while maintaining rigorous...

Kenos Technology busca un Senior Full-Stack para participar en la construcción de una nueva aplicación web corporativa que sustituirá el CRM actual e integrará servicios y activos corporativos. Se valorará experiencia demostrable en Angular, Spring Boot y/o Node.js, PostgreSQL y AWS; capacidad para trabajar de forma autónoma en entornos Agile/Scrum y...

Plexus Tech, una compañía tecnológica con más de 5000 profesionales, busca un/a Senior Full Stack Developer con al menos 5 años de experiencia en desarrollo de aplicaciones web, con sólida experiencia en frontend y backend y conocimiento de microservicios. Contratación indefinida y teletrabajo 100%, integración en un equipo internacional y...

Asevia, en Madrid, busca un Senior Full Stack Engineer (Go + Next.js) para convertir necesidades de negocio en herramientas y paneles de producto, cuidando desde el modelo de datos hasta la entrega en producción. Se requiere experiencia sólida en Go, Next.js y PostgreSQL, con enfoque en APIs bien diseñadas, carga de datos y despliegue CI/CD; se valora...

Grupo Digital busca un ingeniero/a senior Full Stack con base sólida en Java/Spring Boot para desarrollar aplicaciones empresariales modernas y acelerar el SDLC con IA. Trabajarás con microservicios, REST APIs y pipelines CI/CD, integrando IA en generación de código, testing y documentación. Serás parte de un equipo que diseña, desarrolla y mantiene...

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture. The role emphasizes data-driven product development, observability, and...

Buscamos Product Engineer (AI & Full Stack) en PROXUSEn PROXUS estamos ampliando el equipo de producto y desarrollo.PROXUS es un proyecto que empezamos hace 2 años cuatro compañeros de la universidad y que hoy ya utilizan más de ******* estudiantes en toda España.Estamos construyendo la plataforma con la que nos habría gustado estudiar: una herramienta...

Job DescriptionAre You Ready to Make It Happen at Mondel?z International?Join our Mission to Lead the Future of Snacking.Make It Uniquely Yours.You provide software and application knowledge to support implementation of the given solutions.How you will contributeYou will ensure that delivered services are optimized to meet business demands and the service...

Frontiers is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team building the Research Topic Management (RTM) platform. You will work on a distributed .NET system with Vue/Nuxt frontends, SQL Server data operations, and AI-enabled design tooling. You will own complex backend systems and full-stack features end-to-end—from...

TeamSystem busca ingenieros Full Stack para crecer TeamSystem Facturas, un ERP SaaS moderno y escalable. Trabajarás equitativamente entre frontend y backend, usando React/TypeScript y servicios en Node.js/NestJS. Participarás en todo el ciclo, desde definición de solución hasta producción, promoviendo arquitectura estable y calidad de código. Formarás...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for...

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. Emburse software engineers contribute to the development of an engaging and interconnected...