Empleos de senior full-stack dev en Madrid

Jobtailor is seeking a Senior Software Engineer to lead design and implementation of scalable features across our SaaS products in Madrid. You will shape architectural decisions, mentor engineers, and collaborate with product and business leadership to drive technical strategy. Ideal candidates have 7+ years in software engineering, experience with...

N-iX is looking for a Senior Full Stack Engineer in Spain. In this role, you will design and implement APIs in Go and build user-facing features in React. Collaborating with a cross-functional team, you'll ensure high performance experiences for users. Ideal candidates will have 5+ years in software development with strong experience in backend APIs,...

IFS is seeking a Senior Full Stack Engineer to help shape and deliver a cloud-based AI carbon intelligence platform. You will lead both front-end and back-end work, influence architectural decisions, and drive high-quality software in a dynamic, diverse environment. You will collaborate across Product, AI, Platform Engineering, and other teams, champion...

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...

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack. You will build RESTful APIs, microservices, and data architectures, write clean, well-documented...

bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you’ll shape frontend architecture, contribute to backend services, and help maintain our Design System. You will ship end-to-end features that empower thousands of users managing billions in assets. You’ll collaborate...

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...

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,...

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,...

Altia is seeking a Senior Full-stack Software Engineer to join our team on an international project focused on the development and maintenance of financial applications for a major European organization. You will contribute to secure, reliable, and high-quality enterprise software solutions while collaborating with a multicultural team in Madrid. You'll work...

We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge, impact. Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role: We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge,AI-powereddigital products and platforms. We partner with clients to leverage...

A leading consulting firm is seeking a Full Stack Software Developer to join their hybrid team in Málaga, Spain. The role involves developing innovative applications, analyzing requirements, and working with modern technologies such as Jenkins, SQL databases, and Microservices Architecture. Candidates must have at least 3 years of experience and proficiency...

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...

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...

Ditech Group busca un/a profesional senior en desarrollo de software para trabajar en proyectos innovadores de España (remoto). Se valoran más de 10 años de experiencia y dominio avanzado de inglés. El candidato ideal posee experiencia con Java, Spring Boot, Angular/TypeScript, APIs REST y entornos de nube. También se valoran habilidades en ingeniería...

Onyx-Conseil is seeking a Senior Full Stack Developer with strong AI expertise to build and deploy AI solutions in production. The role involves backend and AI integration end to end within an Agile Scrum team alongside data scientists, AI engineers and frontend developers. Deliverable: working software. The candidate will develop scalable backend systems on...

Solera is seeking a Lead .NET Developer in Madrid with 10+ years of experience across .NET, Python, and React/Angular. You will lead full-stack development, architect scalable solutions, and drive DevOps practices to deliver high-quality software. The role requires collaboration with Product Management, Business Analysts, and cross-functional teams in an...

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...

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...