Empleos de full stack senior developer en Madrid

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting - Max Corporate Groupis looking for aSenior Full-Stack Engineer, Consumer Fintechto join a fast-growing New York fintech company building banking and payment products for US prediction markets and regulated gaming. The company develops consumer-facing financial products covering account...

Full-Stack Engineer - Mainloop at Leyton in Sant Cugat del Vallès, CT, ESThis Full time on site position offers great opportunities for career growth. Full-Stack Engineer Own products for years rather than weeks — build them properly, keep them alive, and make the agentic build method something a team can rely on. Mainloop is a new engineering team inside...

Fusuma busca un Full Stack Developer para unirse a su equipo en Madrid. El candidato desarrollará nuevos productos digitales, colaborará en la definición de soluciones y mejorará los procesos. Se requiere experiencia en IA, Node.js y frameworks como React y Next.js.Ofrecemos un ambiente de trabajo dinámico y oportunidades de crecimiento en un proyecto...

T-Systems Iberia sucht einen erfahrenen Full Stack Developer, der sowohl Frontend- als auch Backend-Entwicklung beherrscht. Kerntechnologien sind Python, Angular, Kotlin/Java und PostgreSQL. Du arbeitest eng mit Product Ownern zusammen, entwickelst neue Features, führst Tests durch und integrierst Systeme mit Partnern. Das Team arbeitet hybrid vor Ort und...

Barcelona Supercomputing Center seeks a Mid-Level Full Stack Developer (.NET) to maintain and enhance an internal time-tracking platform. You will implement features with .NET Core / .NET 6+ on the backend and Razor Views on the frontend, ensuring robust REST API integration and SQL database usage. You will collaborate on architecture, uphold code quality,...

REWE digital Spain seeks a seasoned Full Stack Developer to design, implement, and enhance a loyalty program, focusing on personalized incentives and campaign planning interfaces. You will collaborate with product teams and participate in the full product lifecycle within an international, cross-functional environment. As part of our Incentive Assessment...

DesdeSEIDOR GESEIN, seleccionamos un/aFull Stack Seniorpara incorporarse a un proyecto tecnológico estable, trabajando en un entorno internacional y 100% remoto.Buscamos un perfil con experiencia sólida tanto endesarrollo Frontend como Backend, capaz de participar en todo el ciclo de desarrollo: análisis, diseño, desarrollo e implementación de...

AI Engineer / Full Stack Developer - AI Reporting & InsightsMadrid, SpainWarsaw, PolandFull timeR-Job DescriptionAre You Ready to Make It Happen at Mondelēz 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...

Lever, Inc. is seeking a Product Engineer based in Spain to join a fast-growing AI environment. You’ll own features from idea to release, shaping frontend with Next.Js and backend with Django and PostgreSQL, and work directly with the founder to bring ideas into production.This role offers high autonomy, minimal meetings, and the chance to influence 3D...

Lever, Inc. is partnered with a company seeking a Senior Full Stack Engineer based in Spain. You will build scalable applications using .NET/C#, React/Redux, and SQL databases, with GCP and CI/CD practices.The role blends hands-on coding with architectural input and mentoring, in a remote-first environment. You will collaborate with product and design teams...

T-Systems sucht einen Senior Full Stack Developer zur Weiterentwicklung von Frontend- und Backend‑Lösungen. Du bringst umfangreiche Erfahrung mit Python, Angular, Kotlin/Java und PostgreSQL mit und bist erfahren in Testautomatisierung sowie in der Architektur von Datenbanken.Du arbeitest in einem hybriden Modell, arbeitest eng mit Product Ownern zusammen...

Tecdata Engineering busca un Java Full-Stack Developer para un proyecto de analítica de redes en una plataforma cloud-native. Participarás en el ciclo completo de desarrollo: diseño de soluciones, desarrollo backend con Java 17+, frontend con React y TypeScript, pruebas y despliegue en entornos cloud.Se trabajará en un equipo reducido en modalidad...

Descripción del trabajo¡En Ayesa Digital crecemos Contigo! Cada profesional de nuestra empresa es importante para nosotros, nos ayudan a crecer de manera diversa y gracias a ellos somos más de 11.000 personas trabajando con el mismo objetivo en 10 países. Si eres una persona entusiasta y buscas un nuevo reto profesional, ¡Este es tu sitio! Buscamos...

Are you ready to revolutionize the world of clinical trials? At Evinova, we're on a mission to transform drug development by leveraging cutting‑edge AI and Machine Learning. With the goal of increasing clinical trial success rates by 20%, accelerating timelines by 36 months, and slashing study costs by 50%, we need innovative minds like yours! If you're a...

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...

EY GDS Spain is seeking a Senior Software Engineer to join our hybrid team in Málaga. You’ll build modern web applications as a Full-Stack Engineer using Python and Angular, and you’ll explore integrating AI features with LLMs, embeddings, and RAG workflows.Ideal candidates have 3+ years of end-to-end development, strong API design with FastAPI/Flask or...

Wolters Kluwer is seeking a Senior Product Software Engineer to join our team in Madrid. In this role, you will contribute to the design, development, and evolution of scalable software solutions. You'll work within a hybrid model, using your expertise in C#, .NET, and Angular to create high-quality applications.Your role will involve end-to-end software...

Unisys busca un/a Senior Full Stack Java Developer para un proyecto internacional y estratégico en el sector aeronáutico. Se trabajará en desarrollo full stack con Java y Angular, contribuyendo a arquitecturas de microservicios y APIs REST, con participación en decisiones técnicas y colaboración con stakeholders.Se espera experiencia en Java, Spring...

Ascensores Domingo, S.A. busca un/a Desarrollador/a Senior Full Stack para incorporarse en Valencia, con modalidad híbrida.El puesto implica desarrollo y mantenimiento de aplicaciones web internas y participación en la revisión y evolución de proyectos existentes. Se valoran experiencia con APIs, bases de datos, Git, despliegues y capacidad para asumir...

Anywhere within Spain, Spain | Posted on 09/09/2026On this occasion, we are looking for aSeniorFull-Stack Engineerto join our Network Intelligence area. As a Future Connections developer, you will be part of a multidisciplinary team of Telco engineers and software developers building cross-platform applications fornetwork optimisation, automation,...