Empleos de full stack react en Madrid

Santander is seeking a Senior Full Stack Engineer based in Madrid to design and operate secure, scalable applications and APIs for the Knowledge Base Platform, collaborating with AI, Data, Cloud, Dev Ops, Product, and Security teams. You will work on production-grade capabilities for RAG, Graph RAG, semantic search, and AI agents, using Fast API, React,...

Titan Operating System S. L. (Titan OS) in Barcelona seeks a senior full-stack engineer with a backend focus to design and build scalable, compliant ad-tech systems. You will participate hands-on while leading a team of engineers and shaping architecture across Rails, Go, and frontend components. You will collaborate with Product, Data, Ad Ops and Sales to...

We're looking for aFull Stack Engineerfor one of our clients who enjoys building new products from the ground up and is eager to help shape AI tooling for the mobility industry.Work across the full stack to solve complex problems using incomplete and messy dataDesign and evolve canonical data modelsBuild pipelines to handle real-world data inputsDefine and...

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,...

Knowmad Mood, compañía líder en transformación digital, busca desarrolladores Java para trabajar en proyectos de vanguardia con equipos multiculturales. Se valora Java 11+, Spring Boot, microservicios y APIs REST, así como pruebas con JUnit 5 y Mockito. Ofrecen contrato indefinido y modelo de trabajo remoto con opción a oficinas. Horario flexible y...

Applus IDIADA is a global automotive engineering leader seeking talented developers to join a dynamic Digital Business team. We offer a highly flexible hybrid work model and wellbeing benefits, with 60+ engineers collaborating on AI-powered platforms in a diverse environment. Join us to design and deliver full-stack AI-enabled applications across backend and...

MaxIT Consulting - Max Corporate Group in Spain is seeking a Senior Full-Stack Engineer for a consumer fintech project with a New York fintech partner. The role covers end-to-end product experiences from customer-facing flows to backend services.Ideal candidates have 5+ years shipping consumer financial applications, with onboarding, KYC, card and payments...

Ultralytics is seeking a Senior Full Stack Engineer to design, develop, and scale the Ultralytics Platform, our end-to-end AI model development environment.You will build robust backend services with Python/FastAPI, craft responsive frontend with TypeScript and Nuxt.js, and manage cloud infrastructure on GCP with Docker, while driving CI/CD via GitHub...

Omega CRM, a Merkle company within the dentsu group, is hiring an AI / Cloud Full Stack Developer to design, build and deploy LLM-based solutions. You’ll create agents with tool calling, memory, and orchestration, plus pipelines using embeddings, vector databases, and RAG on AWS Bedrock and AgentCore.Remote in Spain, permanent contract with flexible...

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,...

SIX Group Services Ltd. in Madrid is seeking a Software Engineer to join the Application Development Team. You will contribute to modern tech products for tax services, acting in a self-organized, agile environment with collaboration between Business and IT stakeholders.Responsibilities include running operations, implementing enhancements, and ensuring...

Joppy busca un/a Java Full Stack Developer para unirse a un equipo de desarrollo de aplicaciones en una de las grandes infraestructuras de mercados financieros en España.Para presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes.Formarás parte de un entorno ágil y regulado,...

¿DominasReact, Angular o Vueen el frontend y tienes experiencia en backend conJava ?¿Tienes experiencia enCloudy te apasiona crear soluciones con impacto real?¡Tenemos el reto perfecto para ti!Cultura de mejora continua: Te integrarás en un proyecto retador que impulsará tus conocimientos y experiencia.Crecimiento profesional: Apostamos por el...

Desde Growth HR estamos acompañando a una compañía tecnológica especializada en el desarrollo de soluciones digitales, en un proyecto estratégico para una importante empresa del sector farmacéutico.Buscamos un/a Senior Full Stack Developer con sólida experiencia en desarrollo backend, visión de arquitectura y capacidad para construir soluciones...

A leading consulting firm in Barcelona seeks an experienced SAP Developer to work on SAP ABAP, FIORI, and BTP projects.This role encourages flexible working arrangements and offers various training opportunities for professional growth.The ideal candidate has a degree in Business Informatics or a similar field, around 3 years of experience in SAP...

W Hunt España busca un AI Full Stack Developer para trabajar en proyectos con IA generativa en producción.Se valora experiencia en Typescript, React y Node.Js (NestJS) y en integrar modelos de lenguaje (LLMs) en aplicaciones reales.El rol combina desarrollo front-end y back-end, diseño de prompts y integración con servicios de IA, con foco en flujos LLM,...

About the role¿Es este el siguiente paso en su carrera? Descubra si es el candidato adecuado leyendo la descripción completa a continuación.We’re looking for a Senior Full Stack Engineer with a front-end focus who has experience working with commercial. You’ll turn a marketing campaign, a pricing test or a new product launch into a fast, reliable...

¿Te gustaría desarrollar soluciones tecnológicas dentro de un entorno retail , donde la tecnología tiene un impacto directo en el negocio y en la experiencia de millones de clientes? Buscamos incorporar un/a Full Stack Developer que quiera participar en el desarrollo y evolución de nuestras aplicaciones, trabajando tanto en Front como en Back y...

GS Inima Environment busca un becario/a desarrollador full stack para apoyar en diseño, desarrollo e implementación de módulos para una plataforma SaaS, usando React/Angular y Node.js/Python, en arquitectura cloud (Google Cloud) y on-premises.¿Todo listo para enviar su solicitud? Por favor, lea la descripción al menos una vez antes de hacer clic en...

Location: Madrid, Spain (Remote — with regular in-person collaboration at a local WeWork alongside our Madrid tech team)About MediaRadar:MediaRadar, now including the data and capabilities of Vivvix, powers the mission-critical marketing and sales decisions that drive competitive advantage. Our competitive advertising intelligence platform enables clients...