Empleos de full stack engineer annotator en Madrid

Happyrobot Inc. is seeking a Forward Deployed Engineer in Barcelona to enhance customer use of AI solutions. You will work directly with clients from onboarding to ongoing support, ensuring they leverage the HappyRobot platform effectively. This role requires strong full-stack experience (React, TypeScript, Node.js) and proficiency in Python. You'll...

T-Systems sucht einen Senior Software Developer mit Java, Angular und DevOps-Kenntnissen. Sie entwerfen, implementieren und warten Backend-, Frontend- und DevOps-Lösungen in einem anspruchsvollen Umfeld und arbeiten eng mit Product Ownern sowie funktionsübergreifenden Teams zusammen, um geschäftliche Herausforderungen zu lösen. Sie profitieren von einem...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Full Stack Engineer - Sell Side Engine based in Spain.This is a highly hands-on Staff Engineer role focused on solving complex technical problems within a rapidly scaling energy technology environment. You will join a small,...

Capitole Consulting busca un perfil Full-Stack para incorporarse a un proyecto internacional en Barcelona. Desarrollar y mantener aplicaciones escalables con Java y Spring Boot, participando en todo el ciclo de vida y decisiones técnicas. Se requieren 3-5 años de experiencia con Java y Spring Boot, SQL y microservicios; experiencia en APIs REST, Git y...

VeepeeTech in Barcelona seeks a Full-Stack Developer to join the MOM team within the Foundation Tribe. You will design, develop, and maintain APIs and UIs for internal monitoring services, collaborating with MOM and VeepeeCloud to deliver monitoring features in the VeepeeCloud console. The role focuses on software development, with potential future...

Allianz Technology seeks a Software Engineer to design, build, test, and maintain software solutions. You will handle technical design, development, and testing, with support and consultation in early concept phases. The role emphasizes agile team collaboration, non-functional requirements, and maintainability across environments. Hybrid work and...

Leyton's Mainloop team in Sant Cugat del Vallès seeks a Full-Stack Engineer to own production software end-to-end in an AI-assisted workflow. This on-site role helps build a new engineering group supported by a long‑standing international portfolio. Two levels are open—junior and senior—with responsibility split between the Product Owner and the...

Papayadash is seeking a product-focused engineer to help build the intelligence layer for vehicle fleets in Barcelona. You will be responsible for designing data models, building pipelines, and orchestrating agents that process complex real-world data. This role blends engineering and product development, with a competitive salary ranging from €40,000 to...

SNGULAR está buscando un profesional de desarrollo Full Stack para unirse a su equipo y potenciar soluciones web empresariales. La posición combina desarrollo frontend y backend, diseño de APIs y colaboración con proveedores técnicos, con énfasis en IA aplicada al desarrollo de software. Se valorará experiencia en entornos híbridos y capacidad de...

AD4 Octógono busca un Desarrollador/a Fullstack Senior (MERN) para diseñar y construir soluciones web completas, robustas y escalables, tanto en frontend como en backend, con impacto directo en producto y negocio.Formará parte de un equipo técnico internacional, participando en diseño, desarrollo y evolución de aplicaciones modernas, con APIs REST,...

Tamarind Intelligence en Barcelona busca un Senior Full Stack Engineer con foco en ciberseguridad para una plataforma de gestión de vulnerabilidades a escala global. El puesto es híbrido, con autonomía en decisiones técnicas y oportunidad de crecer hacia Tech Lead. Se valora experiencia fuerte en Python/FastAPI, React y entornos cloud (AWS); experiencia...

PepsiCo International dCommerce team is seeking an experienced Full Stack Software Engineer to advance Nova, our Digital Shelf product, combining backend integrations with rich user experiences to drive digital commerce growth. You will own end-to-end delivery, mentor teammates, define API contracts, ensure quality with automated tests and CI/CD, and...

TECDATA ENGINEERING busca un Desarrollador Full Stack (Node.js + React) con experiencia media para trabajar en soluciones a medida. Serás responsable de diseñar, programar y mejorar componentes, colaborando con equipos multidisciplinares y respetando buenas prácticas. Se valorará autonomía, capacidad para revisiones de código y mentorar a perfiles...

VOIS (Vodafone Intelligent Solutions) is seeking a Full Stack Software Engineer to deliver end-to-end platform features across Angular front-end applications and Java 21 backend services in Málaga. You will work closely with product, design, quality, DevOps and operations teams to ensure solutions are accessible, secure, performant and supported by...

Fledge is a boutique Talent search firm connecting exceptional talent with AI and software startups across EMEA. We are seeking a Product Engineer to join a climate-tech startup in Barcelona, building AI-powered solutions for energy, mobility and industry. You will own end-to-end product features, design intuitive tools, and work at the intersection of...

Krell Consulting & Training, S.L. busca un Desarrollador Full Stack con foco en Angular para un proyecto en Barcelona. Participarás en la integración con APIs REST, discutirás arquitectura y aportarás soluciones técnicas, trabajando en un entorno híbrido. Se requieren al menos 4 años en desarrollo de software, experiencia con Angular 2+, NgRx/RxJS,...

BizAway, located in Barcelona, is seeking an enthusiastic Application Engineer (Full-Stack Mobile) to enhance mobile experiences integrated with a robust backend. The ideal candidate shows strong UX passion, problem-solving skills, and experience with React Native and A/B testing. The position offers a permanent contract, hybrid working model, and attractive...

Axpo Group is seeking a Full-Stack Engineer with a strong frontend focus to join our Madrid team. You will design, develop, and enhance web applications with emphasis on user-facing features and interfaces, using Angular, React, and TypeScript, while collaborating with product and design teams. You will contribute to backend services in Python and APIs,...

Exoticca is seeking a FullStack Engineer to design and build modern, scalable services using NextJS, Node.js, TypeScript, and MongoDB. You’ll develop robust, maintainable services powering our e-commerce platform with an event-driven approach for growth and reliability. You will collaborate with cross-functional teams, craft clean APIs, and drive code...

Swiss Re is seeking a Senior Full Stack Engineer with strong frontend skills to design and develop cloud-native solutions for Life & Health insurance clients. You will mentor engineers, lead discussions on development approaches, and collaborate with product owners, architects, and cross-functional teams to translate business needs into robust technology...