Empleos de backend full stack engineer en Madrid

A leading software development company in Torremolinos is looking for a Full Stack Senior/Lead Engineer. You will enhance product experiences for millions by developing features for web and mobile platforms. The ideal candidate has over 5 years of experience, strong expertise in ReactJS and NodeJS, and the ability to work independently. This role offers...

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,...

Brayton Global is seeking a Senior Full-stack Engineer to develop and maintain enterprise apps, modernise legacy systems, and integrate AI tools into development workflows. Responsibilities include designing full-stack solutions, leveraging AI assistants, and ensuring secure, scalable deployments across MCP-enabled platforms. Strong knowledge of Java/Spring...

Airbus Defence and Space SAU is seeking Simulation Software Engineers in Getafe to develop HMI software for simulation platforms. You will work on GUI components, derive requirements, and design architectures for new simulator features within an agile environment. The role requires full-stack web skills, GIS tool proficiency, and experience with Qt/HMI...

Company Overview At Bridgenext, we engineer Growth Operating Systems. Most enterprises have spent millions on their revenue stack and still aren't seeing the growth they expected. They have tools that function, but no system that wins. We help growth-hungry companies close that gap by turning fragmented platforms, siloed teams, and disconnected data into one...

Otto Group one.O is the central, powerful partner for strategy consulting and technology. With around 1,000 colleagues worldwide in areas such as consulting, software development, SAP and data intelligence & AI, we provide strategic advice and design, develop and operate digital end-to-end solutions along the entire value chain. We shape the digital...

Mitek is hiring a software engineer in Spain to work on the Trust Platform and other identity solutions. You will contribute to front-end and back-end development, leveraging React, Go, and cloud services to deliver secure, scalable digital identity features. The role emphasizes data-driven, innovative problem solving, collaboration in a virtual-first...

Affinist is a remote-first company hiring a Senior Full-Stack Software Engineer for the Repayments UX. The role is based in Spain and visa sponsorship is possible, with the team located across Europe in the same time zone. You will own quarterly goals, collaborate across product, design, and analytics, and help ensure reliability and growth at scale. Base...

RocaSalvatellA, consultora líder en transformación digital, busca un/a Full Stack Developer para el equipo AI Solutions. El rol implica modernizar aplicaciones heredadas, diseñar arquitecturas y desplegar soluciones en Azure con contenedores y CI/CD, usando IA como motor principal de ingeniería. Se valora experiencia en migraciones, uso de agentes IA y...

Applus IDIADA is hiring senior software engineers to build AI-enabled automotive applications. You will own features end-to-end, spanning backend services written in Java/Spring Boot and Python, and modern frontends with Angular. The role emphasizes production-grade quality, cloud-native deployment, and collaboration in a fast-paced, multicultural team....

Blend is seeking a Full Stack Developer to own end-to-end technical delivery for a key product/module. This hands-on role balances backend strength with frontend experience and spans cloud, data, testing, and AI-enabled workflows. You will lead backend development using Python/Flask, collaborate on React/Type Script frontend, and own cloud deployments in...

Alpaca is hiring Senior Full-stack Engineers to design, build, and operate scalable distributed systems powering global investing. You’ll own projects end-to-end—from concept and coding to production deployment and maintenance—in a fast-moving, highly autonomous environment. Join teams like Trading Platform, Internal Tools, and Operations Automations;...

Krell Consulting busca incorporar un/a Full Stack / Frontend Engineer Senior para un proyecto de integración de plataformas ubicado en Málaga. El perfil debe aportar más de 10 años de experiencia y ser capaz de liderar equipos en entornos Cloud First y Agile. La posición implica desarrollo end-to-end, especialmente en frontend con React, Type Script y...

Santander is seeking a Full Stack Engineer for the Knowledge Base team to design and deliver secure, scalable applications and APIs that transform enterprise data into trusted knowledge for AI workflows. Based in Madrid with a hybrid work model, you will collaborate with AI, Data, Cloud, Dev Ops, Product, and Security squads to ship production-grade...

Barcelona, Spain | Senior Engineering Opportunity Max IT Consulting – Max Corporate Group is looking for aSenior Full-Stack Engineer – AI-Native Applications 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...

VOIS, Vodafone Intelligent Solutions, is hiring a Full Stack Software Engineer in Málaga. You will deliver end-to-end platform features across Angular front-end apps and Java 21 backend services, aligning UI behaviour with API contracts and business goals. You will collaborate with product, design, quality, Dev Ops and operations to ensure secure, scalable...

Inno IT is seeking a Senior Full-Stack engineer to join our Marketplace Engineering team. You will build and evolve backend and frontend features for a dynamic marketplace, designing APIs based on Open API specifications and deploying in AWS. This hybrid role offers a competitive salary, ongoing training, and opportunities to engage with technology...

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, DevOps, Product, and Security teams. You will work on production-grade capabilities for RAG, GraphRAG, semantic search, and AI agents, using FastAPI, React, Python,...

Make your mark for patients As a founding member of our new Barcelona R&D Hub, you will help build the AI-powered precision medicine platform that transforms clinical and molecular patient data into insights that accelerate drug discovery and improve patient outcomes. To help drive this vision, we are looking for a curious, collaborative and...

Develop challenging coding test cases for AI systems, focusing on full-stack development with Python and React. Analyze AI failures and iterate based on feedback. This is a part-time, project-based role.