Empleos de senior full-stack dev en Madrid

Senior II Full-Stack Engineer (back-end heavy) Location:BarcelonaEmployment Type:Full timeLocation Type:HybridDepartment:EngineeringMeet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors.We’re...

CONVOTIS Iberia busca un perfil full stack senior para participar en su programa de talento remunerado centrado en Spec-Driven Development. Se valorará experiencia en arquitectura y diseño de APIs, y la disposición a formarse en este enfoque para después incorporarse a un proyecto real dentro de la compañía. Ofrecemos formación, acceso a herramientas...

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer, Consumer Fintech to 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...

Noloco is seeking a Senior Full Stack Software Engineer to own features across frontend and backend, building AI-powered tools and scalable APIs. You’ll work on GraphQL, Node.js, React, and data models, delivering delightful UX and robust performance. In a hybrid setup with Barcelona as a base, you’ll collaborate across product, design, growth, and...

E‑Frontiers is seeking a Senior or Lead Full-Stack Developer to join an international project. The role is fully remote from Spain with occasional travel to Milan for 2-3 days every few months. Italian is mandatory for this position. 12‑month duration with potential extension. Holders of strong AWS, Terraform/CloudFormation, Docker, Node.js, React, Jest...

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,...

Hopper is seeking a senior full stack engineer to anchor HTS Assist, Hopper's agentic AI assistant for travel. You will own the realtime and voice layer end to end, building across React/TypeScript front ends, Scala and Python services, and cloud infrastructure. The role covers telephony integrations, streaming speech-to-text and text-to-speech pipelines,...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality. We value strong CS fundamentals,...

We are looking for a Senior Full-Stack Engineer with a strong backend lean to join the team that builds and evolves the platform powering this experience. You will work on the Research Topic Management (RTM) application — a distributed .NET system with Vue/Nuxt frontends, SQL Server-heavy data operations, Github/Azure DevOps-driven deployments, and async...

Kenos Technology busca un Senior Full-Stack para participar en la construcción de una nueva aplicación web corporativa que sustituirá el CRM actual e integrará servicios y activos corporativos. Se valorará experiencia demostrable en Angular, Spring Boot y/o Node.js, PostgreSQL y AWS; capacidad para trabajar de forma autónoma en entornos Agile/Scrum y...

Plexus Tech, una compañía tecnológica con más de 5000 profesionales, busca un/a Senior Full Stack Developer con al menos 5 años de experiencia en desarrollo de aplicaciones web, con sólida experiencia en frontend y backend y conocimiento de microservicios. Contratación indefinida y teletrabajo 100%, integración en un equipo internacional y...

Grupo Digital busca un ingeniero/a senior Full Stack con base sólida en Java/Spring Boot para desarrollar aplicaciones empresariales modernas y acelerar el SDLC con IA. Trabajarás con microservicios, REST APIs y pipelines CI/CD, integrando IA en generación de código, testing y documentación. Serás parte de un equipo que diseña, desarrolla y mantiene...

We are still looking for the very Top Talent...and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology...

ISOLUTIONS in Barcelona is seeking a Senior Full Stack Developer to join an international team. You’ll work with C#, .NET, React and TypeScript in a hybrid setup from Barcelona, collaborating with teams in Switzerland to deliver high-value software. The role emphasizes design decisions, architectural discussions, and a strong focus on delivering business...

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,...

JUNGLE busca un/a Senior AI Developer en Barcelona que convierta requerimientos de negocio en soluciones de IA innovadoras. Liderarás un equipo y trabajarás en un entorno dinámico y estimulante. Con más de 10 años de experiencia en desarrollo Full Stack, tendrás la oportunidad de ser parte de un ecosistema creativo y tecnológico que se enfoca en hacer...

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture. The role emphasizes data-driven product development, observability, and...

IFS is seeking a Senior Full Stack Engineer to join its Industrial Sustainability Reporting Platform. The role focuses on building scalable, AI-native features across frontend and backend, with strong emphasis on modular, API-first design and cloud-native deployment. Hybrid work options are available within a globally distributed team. The candidate will own...

We are knowmad mood! Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento. Formado por más de 3.000 personas creativas,...

Julius Baer in Madrid seeks an experienced software engineer to design, develop and test modules for complex banking systems. You will own the full delivery lifecycle from design through deployment, collaborating with cross-functional teams to translate business needs into robust solutions.Strong Java/Full-Stack skills, Spring Boot, React/Angular, and CI/CD...