Empleos de backend full stack engineer en Madrid

Software Engineer Full-Stack | Node.Js + React + IA / MCP | Barcelona (Híbrido)En Capitole seguimos creciendo y queremos hacerlo contigo.Buscamos un/a Software Engineer Full-Stack para incorporarse a una multinacional del sector HR / Payroll con sede en Barcelona centro, participando en iniciativas técnicas de vanguardia con foco en IA moderna, agentes...

We're looking for a proactive and drivenProduct Engineerfor one of our clients to build and deliver impactful features that make a real difference for restaurant operations.Design, build, and maintain a full-stack platform and AI AgentsFocus on delivering outcomes and overcome challengesArchitect scalable solutions to support rapid growthContribute to...

¿Estás preparadx para un cambio y explotar tus habilidades como nunca?Sigue leyendo porque tenemos lo que buscas…Somos una empresa internacional con más de18 años de experienciaen consultoría e ingeniería informática.Con más de2.500 Primersoperando en 4 sectores principales en todo el mundo: IT, Telecomunicaciones, Energía e InfraestructurasNos...

Lexroom is building the AI platform where legal work gets done. In just over two years, we've grown from zero to €25M ARR, and todaymore than 20,000 legal professionalsacrossItaly, Spain, Germany, France, and Bulgariarely onLexroom.Why Lexroom?Shape the Standard:Be part of the team setting the benchmark for legal AI in Europe.Work with the Best:Collaborate...

Connectif, una plataforma SaaS de marketing automation para e-commerce, busca un desarrollador Fullstack para la capa de Integraciones. Tu trabajo será crear apps y módulos que conecten Connectif con distintas plataformas de comercio electrónico.Trabajarás con TypeScript y Node.Js, así como PHP, navegando entre APIs y diferentes ecosistemas para...

Albertine is seeking a seasoned full stack engineer to ship features across our TypeScript platform.You'll shape API contracts, implement service and data work, and build the React UI members and agents actually use.Both halves must be solid in data choices and UX that feels finished.You'll work across memberships, bookings, and billing with a focus on...

Max IT Consulting – Max Corporate Group in Barcelona, Spain, is seeking a Senior AI-First Full-Stack Engineer to build an AI-powered healthcare workforce platform. You will own end-to-end product delivery across frontend, backend, and cloud, working with Type Script/React and languages like Java, Kotlin, Python or Go. You will deploy on AWS/GCP, design...

YO AI Labs is seeking an experienced Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. This fully remote, contractor role centers on delivering robust front-end and back-end solutions across diverse codebases. You will develop applications, build APIs and...

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you. Your role...

Second Window busca un Senior Full Stack Developer para impulsar proyectos financieros y bancarios. Se requiere dominio en Java Spring Boot, Angular y bases de datos SQL, con experiencia en CI/CD, microservicios y DevOps. Se valorará IA integrada en flujos de entrega.La oferta es 100% teletrabajo desde España, con contrato indefinido desde el primer día y...

APPTIVA CORE TECHNOLOGIES is seeking a Fullstack Developer to join our team in Madrid, Spain. This role involves working in a cross-functional team responsible for the entire software development life cycle, from conception to deployment. You will design and build scalable software solutions while ensuring high standards of security and data protection.The...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed .NET/Vue stack, delivering robust, production-grade software for researchers worldwide. You will collaborate with...

Confidencial en Madrid busca un/a Ingeniero/a de Software Full Stack para unirse a equipos de ingeniería y contribuir al diseño, desarrollo y mantenimiento de aplicaciones web modernas. Se enfocará en React, TypeScript y tecnologías cloud-native para entregar soluciones seguras y escalables. Trabajarás en un entorno ágil con ingenieros, product...

Avooq is seeking a talented Full-Stack AI Engineer to migrate to scalable infrastructure and maintain a high-performance platform. You will lead the migration to custom cloud infrastructure, build scalable React/Next.js and Node.js systems, and deploy production-grade AI/LLM integrations with high concurrency. Ideal candidates have 5+ years of full-stack...

Frontiers Careers is seeking a Senior Full-Stack Engineer to own backend systems and full-stack features for the RTM platform. You will work across .NET Core backends and Vue/Nuxt frontends, collaborating with product managers and engineers to design scalable, reliable solutions. You will drive architecture decisions, optimize SQL Server workloads, and guide...

Ucademy en Madrid busca un Senior Product Engineer para liderar proyectos con criterio y impacto en el negocio. No solo código: dueña de un proyecto completo, desde definición hasta medición de resultados, con libertad para tomar decisiones y usar IA en el día a día. Se valora dominio de TypeScript, AWS y experiencia en delivery end-to-end....

Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. About the client: A German Sustainable Tech Unicorn that is redefining how global corporations handle transparency. Backed by a €130M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and...

Adroitpeople is seeking a Java Senior Developer to handle technical analyses and implementations. The ideal candidate will have at least 5 years of experience with Java and a strong understanding of APIs, IT security, and agile methodologies. This role requires fluency in English and the ability to work both autonomously and collaboratively within a team....

Roche seeks a Custom Software Developer to design, build, and maintain scalable digital solutions in a cross-functional agile squad. You will work across the full delivery lifecycle from analysis to automated deployment, combining strong backend Java/Python and frontend Angular/TypeScript skills with modern DevOps practices. Desirable experience includes...

Roche is seeking a Full Stack Developer (SE7) to lead large-scale integration initiatives within the Engineering Excellence & Experience group. You will own the core integration portfolio, shaping the developer experience for thousands of engineers worldwide. You will design secure interoperability across toolchains, migrate legacy systems, and drive...