Empleos de full stack senior developer en Madrid

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 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...

Why Ads Media, consultora de marketing digital, busca un Senior Full Stack Developer / Tech Lead con al menos 4 años de experiencia para liderar técnicamente el desarrollo de nuestra tecnología interna en Madrid. Integrarás IA en herramientas y guiarás un equipo de 3 desarrolladores junior, definiendo arquitectura y buenas prácticas. Se valorará...

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...

Tata Consultancy Services in Madrid (Getafe) is seeking a Senior Full‑Stack Tech Lead with AI adoption expertise. You will guide frontend, backend and AI workstreams, set technical direction, and ensure secure, scalable, production‑ready solutions with CI/CD pipelines. You will coach developers, manage cross‑team dependencies and report blockers to...

Bark is seeking a Senior Full Stack Engineer to join our Acquisition squad. You’ll work on Python backend and React/Type Script frontend, shaping marketing tech that drives customer growth in a fully remote role based in Spain. You’ll collaborate with marketing, product and design, build AI-powered tooling, implement guardrails for live AI outputs, and...

Full Stack Developer Java& APIReferencia: #72625Localización: EspañaBuscamos un Full Stack Developer & API , para incorporarse a un proyecto con foco en tecnologías Java, microservicios y gestión avanzada de APIs. Si eres una persona proactiva, con experiencia sólida en desarrollo backend y frontend, y conocimientos en API , te queremos...

Project description Join a greenfield product initiative for a leading company in the fashion retail industry, where you will help design, build, and evolve a new digital solution from the ground up. Working closely with Spanish-speaking stakeholders, you will play a key role in defining the architecture, developing core product capabilities, and...

Grupo Crit busca un/a Senior Full Stack Developer para unirse a su equipo en Lleida. Serás clave en la creación y mantenimiento de proyectos digitales, trabajando con equipos multidisciplinares y gestionando soluciones innovadoras en un entorno tecnológico en evolución. Se valorará experiencia en desarrollo full stack, conocimiento de tecnología...

Ubicación: Madrid (trabajo 100% presencial, 4/5 días en oficina) Fusuma es una firma boutique que combina tecnología y estrategia para lanzar nuevos negocios. Diseñamos, desarrollamos y lanzamos productos digitales desde cero, trabajando con startups y empresas consolidadas. Nuestro equipo multidisciplinar trabaja desde el corazón de Madrid (Avda...

KPS Iberia seeks a Senior Tech Lead / Full-Stack & DevOps Engineer to join Barcelona team, delivering complex digital and e-commerce platforms for international clients. You will lead architecture, coordinate developers, and contribute hands-on engineering across the stack. The role combines architecture, leadership and hands-on engineering in an...

Fullstack Engineer – Series B AI Startup | Spain (100% Remote)I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day.This is a role for hands‑on builders who enjoy...

Techmunity is hiring Senior Full Stack Engineers to build AI-powered agents that can resolve customer service problems by interacting with brand data. You will design and implement backend and frontend systems, connect data sources, and scale infrastructure to support real conversations. You will work on cross-functional features across LLM/agent systems,...

Capitole keeps growing, and we want you to grow with us! We are seeking a Senior Full-Stack Developer (M/F) to join an international project. You will design, develop and maintain scalable full-stack applications using Java, Spring Boot, and Angular, contributing to architecture and DevOps practices. The role requires 3+ years of experience, strong...

Full Stack Engineer (Senior/Lead) ID41561 ($2,500 signing bonus) AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards.Why...

¿Tienes experiencia en desarrollo Full Stack con tecnologías Java y Angular y te interesa seguir creciendo en proyectos de transformación tecnológica dentro del sector financiero? ¿Te gustaría participar en un proyecto de nueva creación donde contribuir desde las primeras fases de desarrollo y trabajar con tecnologías ampliamente utilizadas en...

Descripción del puesto / FuncionesEstamos buscando un/a Full Stack Web Developer con fuerte orientación backend para unirse al equipo de productos de IA que desarrolla una plataforma Multi-cloud de GenAI (Azure, AWS, Google Cloud), con foco principal en el servicio Secure GPT. Se trata de un rol técnico clave en un entorno internacional, donde...

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...

Join NTT DATA and shape the future of digital innovation At NTT DATA, we are a global technology consulting company helping organizations transform through innovation, technology, and collaboration. With more than 190,000 professionals across over 50 countries, we work with leading companies to design and deliver cutting-edge digital solutions. What are we...

Impala Search Ltd is transforming mobility with a data-driven platform that powers a growing international mobility ecosystem. We seek a Senior Full-Stack Engineer with a backend focus to build Python services and APIs while contributing to React and TypeScript across features that support an international mobility platform. You will own backend services,...