Empleos de senior full-stack developer en madrid

We are looking for senior professionals with a generalist profile, strong depth in backend development with Node.js, and solid experience in frontend with React, to act with end-to-end ownership on relevant product initiatives. The expectation is that this team can operate with independence, speed, and quality, delivering new features without creating...

AtIndeep AI , we are an applied AI research laboratory working at the intersection of natural language processing, linguistics, and human cognition. Our work is grounded in a simple conviction: the tools we use to write and understand documents should make communication clearer and more trustworthy, not less. That research powers Typewiser, our document...

En ABEI estamos construyendo una de las empresas que va a decidir cómo se mueve la energía limpia en este mercado. Lo hacemos a máxima velocidad, en un sector que todavía se está definiendo — lo que significa que las decisiones que tomamos ahora van a pesar durante décadas. Somos una empresa joven, que va rápido y todavía se está construyendo....

Neotalent Conclusion es una de las mayores especialistas del mercado ibérico en captación y gestión de talento informático y de ingeniería. Como parte del grupo neerlandés Conclusion, que se compone por un ecosistema de 25 empresas y 3.600 empleados, nos centramos en aumentar la capacidad tecnológica de nuestros clientes y acelerar la transformación...

We are looking for a Senior Full Stack Engineer to join one of our Product Tribes, the cross-functional units that own the end-to-end experience for a specific Toggl user role. You'll join the Tribe building for managers, the people who plan work, protect margins, and keep projects on time and on budget. You own significant parts of that experience...

A leading financial market infrastructure firm in Madrid is seeking a skilled Software Developer to join their agile team. In this role, you will be responsible for designing and enhancing features, ensuring system stability, and automating delivery pipelines. The ideal candidate should have strong experience with Angular, Java, Spring Boot, and OpenShift....

Desarrollador Full Stack Senior con experiencia en desarrollo web, frontend, backend y microservicios. Contrato indefinido y teletrabajo.

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,...

SEIDOR GESEIN busca un/a Full Stack Senior para un proyecto tecnológico estable en un entorno internacional y 100% remoto. El candidato debe dominar Frontend y Backend, participar en todo el ciclo de desarrollo y trabajar en un equipo senior con Scrum.Se valora experiencia en APIs, Node.js/Express y HTML5/CSS3, con inglés C1 como idioma de trabajo...

Job DescriptionAre You Ready to Make It Happen at Mondel?z 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 contributeYou will ensure that delivered services are optimized to meet business demands and the service...

Sopra Steria España busca un/a profesional para unirse a un proyecto estable en una de las principales entidades financieras internacionales, realizando nuevos desarrollos. Se requieren al menos 5 años de experiencia en desarrollo Full Stack, con Java y microservicios en backend y Angular o React en frontend.Contrato indefinido a jornada completa, 23 días...

Desde Quales buscamos a un/a Senior Developer para mantener y evolucionar aplicaciones dentro del ecosistema digita de una importante industria farmacéutica, integrando sistemas corporativos, automatización inteligente y workflows asistidos por IA. Qué harás • Mantener y desarrollar evolutivos de aplicaciones web end-to-end. • Integrar sistemas...

Buscamos Product Engineer (AI & Full Stack) en PROXUS En PROXUS estamos ampliando el equipo de producto y desarrollo. PROXUS es un proyecto que empezamos hace 2 años cuatro compañeros de la universidad y que hoy ya utilizan más de 150.000 estudiantes en toda España. Estamos construyendo la plataforma con la que nos habría gustado estudiar: una...

As a Full-Stack Java Engineer in our Defense & Security team, you will contribute to high-performance C2 applications, spanning web and desktop solutions. You'll design and optimize secure architectures with REST APIs and AI/ML-enabled features, influencing automation and decision-making in mission-critical systems. You'll work across multidisciplinary...

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,...

Spain | Remote | Senior Engineering OpportunityMaxIT 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...

SIX Group Services Ltd. in Madrid is seeking a Senior Java Full Stack Engineer to join their agile team. The role involves developing new features for financial market projects and collaborating with various teams to ensure robust deliverables.The ideal candidate will have over 5 years of experience in Java technologies and modern web architectures, and must...

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...

Management of the front-end (desktop/mobile) and backend for frontend design, implementation, testing and deployment. Responsibilities: - Work with development teams and product managers to ideate software solutions - Design client-side and server-side architecture - Build the front-end of applications through appealing visual design - Develop and manage...

Joppy, an IT consultancy, seeks a Full Stack Developer (NodeJS/React) with at least 3 years' professional experience to join the team. This role is fully remote from anywhere in Spain.You will design, develop and maintain software solutions, applying best practices and ensuring quality and stability. Fluent Spanish and English are mandatory.We offer a...