Empleos de senior net full-stack developer en madrid

Santander is seeking a Senior Full Stack Engineer based in Madrid to design and operate secure, scalable applications and APIs for the Knowledge Base Platform, collaborating with AI, Data, Cloud, Dev Ops, Product, and Security teams.You will work on production-grade capabilities for RAG, Graph RAG, semantic search, and AI agents, using Fast API, React,...

Experis España busca un/a Desarrollador/a Senior Full Stack PHP para unirse a un equipo tecnológico centrado en soluciones de seguridad web y microservicios. Participarás en todo el ciclo de vida del desarrollo, desde análisis y diseño técnico hasta implementación y despliegue, colaborando estrechamente con Sistemas. Requisitos: >=3 años en...

Job-ID: 9540dd50-59e5-429a-83b3-d8b7285265d3Reference: J-4374Location: Barcelona, SpainJob type: Full-time, HybridSalary: EUR 45000-60000Category: Full StackStack: PHP, Symfony, Domain-Driven Design (DDD), Vue.js, DockerContact: , Te apasiona construir y evolucionar plataformas B2C de gran escala? Nuestro partner, un grupo empresarial internacional, busca un...

Grupo Crit busca un/a Senior Full Stack Developer con experiencia en entornos Cloud para unirse a nuestro cliente en Lleida. Serás pieza clave de la dirección técnica en un producto en evolución, con visión de producto y capacidad para estabilizar y acompañar al equipo en su evolución técnica. Responsabilidades: dirigir la arquitectura técnica...

A technology consultancy in Madrid is seeking an experienced .NET Developer to join their team.In this role, you will work primarily on project-based assignments with Danish and international clients, focusing on developing high-quality software solutions.The position offers a competitive salary, a hybrid work setup, generous vacation days, and a supportive...

Experis ManpowerGroup busca un profesional de desarrollo Full Stack para trabajar en un proyecto estratégico del sector bancario. Participarás desde fases iniciales, desarrollando tanto backend como frontend con Java 17, Spring Boot 3.x, Angular y TypeScript, asegurando calidad y buenas prácticas. Trabajo 100% remoto desde España, contrato indefinido y...

German Sustainable Tech Unicorn in Madrid is seeking a Senior Full-Stack Engineer to own end-to-end development of ESG-focused products that help 2,000+ global companies comply with regulations.You will design scalable backend with Node.js/TypeScript and frontend with React.js, lead technical choices in microservices, and collaborate in agile squads.English...

Lexroom Srl is seeking a Sr.Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and cross-language translation.This is a remote contractor position with ~15 hours per week.You will contribute to both front-end and back-end systems, review AI-generated code for quality and security, and...

Experienced Full Stack Java Engineer sought for Credit Risk team, leading design, development, and support of critical applications.Responsibilities include technical leadership, mentorship, and ensuring application security and resilience.

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories.We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with...

Bark is seeking a Senior Full Stack Engineer based in Spain to join the interactions squad.You'll own frontend and backend work for the buyer journey, including AI-powered features, messaging, and notifications.You'll collaborate with product, design, data and mobile engineers to ship high-impact features and improve buyer conversion and satisfaction.The...

Treatwell is seeking a Senior Full Stack Engineer (React & Java) to join our Madrid-based team while operating in a fully remote capacity.You will own features end-to-end across frontend and backend, collaborating with designers, PMs, and fellow engineers to deliver incremental value in short cycles.You will work with a modern React/TypeScript frontend,...

Lexroom is seeking a senior software engineer to join a small, autonomous squad of four to five. You’ll own technical decisions for what the squad ships, and take production ownership while helping teammates grow.Work across the stack with Next.Js, TypeScript, Python, Django, and AI tooling. We hire for judgment and curiosity, tailoring interviews to...

Jobgether is seeking a Senior Full Stack Engineer in Spain to join a remote-first, product-focused team building Saa S for governance and business processes. You will develop features with F#, ASP. NET Core, React.Js, and Type Script, shaping architecture and product direction. You will own features end-to-end, collaborate across product and engineering, and...

5 Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2 B platform. You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach.You’ll collaborate with engineering and product teams across time zones, use Claude Code or similar tools,...

Apiux Tecnología busca un Desarrollador/a Full Stack Senior para unirse a un proyecto propio, con criterio técnico y impacto real en el producto. Ubicación: España; incorporación lo antes posible. El equipo es senior en Frontend, Backend y QA, trabajando 100% en inglés bajo Scrum.Se valora experiencia de 5+ años en desarrollo web, Node.Js para...

Max IT Consulting – Max Corporate Group is seeking a Senior AI-First Full-Stack Engineer to own the entire product surface, from conception to production. You will work on an AI-powered workforce platform for healthcare, collaborating with product and design teams in a founder-led setting. Expect ownership, autonomy, and a direct impact on critical...

Apiux Tecnología busca un Desarrollador Full Stack Senior para participar en todo el ciclo de desarrollo de aplicaciones web, desde el análisis y diseño hasta la implementación en un entorno multicultural guiado por Scrum. Se exige más de 5 años de experiencia y capacidad para trabajar en inglés. La posición es indefinida y 100% remota, con horario...

Responsibilities Lead the design, development and operation of new capabilities across our SaaS products. Make architectural decisions that balance immediate business needs with long‑term scalability and maintainability. Work closely with product, engineering and business leadership to shape product roadmaps and technical strategy. Identify and drive...

Can you imagine building AI-powered products that transform how business teams generate strategic insights? Join our expert team to work on a Pharmaceutical sector product, contributing to the development of an AI platform that transforms enterprise knowledge into intelligent decision support. You will apply your knowledge of LLMs, RAG, knowledge graphs and...