Empleos de backend full stack engineer en Madrid

Preply is seeking a Senior Full Stack Engineer for the CRM team to shape our communications platform and AI-native workflows. You’ll own backend and frontend components, collaborating with product, data, and UX to deliver measurable customer impact. You’ll work across Python/Django on the backend, React/Type Script on the frontend, and with Braze-based...

NTT DATA Europe & Latam en Barcelona busca un/a Ingeniero/a Full stack especializado/a en Angular y Java para crecer profesionalmente participando en proyectos estratégicos de gran impacto en el sector sanitario. Tendrás la oportunidad de trabajar en diferentes proyectos, contribuyendo con soluciones digitales innovadoras y seguras implantadas en diversos...

Happy Robot in Spain is seeking a versatile Forward Deployed Engineer who will work directly with customers to onboard, implement, and support our AI platform. You will combine strong technical skills with clear communication to maximize customer value. You will build features with React, Type Script, Node.js, and Python, design AI/ML solutions including LLM...

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. Come and shape the future of finance with us. Madrid | Working from home up to 40% | Reference 8191 Are you passionate about modern technology? Do you want to work in an agile, self-organized...

UST España & Latam is seeking an experienced Developer Analyst - Full Stack Developer to join our team in Spain.The role requires 5+ years designing, developing, and maintaining scalable web applications with strong Angular, Node.js, Spring Boot, and OpenShift expertise.You will design, develop, and maintain full-stack solutions, work across frontend and...

Owen Thomas | B CorpTM is seeking a Senior Staff Full stack Engineer on a 12?month contract.This fully remote EU?based role centers on Rust and Java for backend, with React and Python as secondary stack.The contract is Outside IR35 and pays £******* per day.You will help shape backend services, contribute to architectural decisions, and collaborate with...

Affinist is a remote-first company hiring a Senior Full-Stack Software Engineer for the Repayments UX.The role is based in Spain and visa sponsorship is possible, with the team located across Europe in the same time zone.You will own quarterly goals, collaborate across product, design, and analytics, and help ensure reliability and growth at scale.Base pay...

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...

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Software Engineer – Digital Banking & FinTech Products 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...

Senior Software Engineer, Outbound Capabilities Madrid Office Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace....

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...

Mondelez International is hiring for a Digital Services team in Madrid. You will join a growing engineering squad focused on an AI-powered insights platform, designing and delivering data pipelines, AI/ML workflows, and full-stack applications. Experience with Python, AWS, Databricks, and modern web frameworks is essential. The role involves collaboration...

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 Agile environment, with...

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...

Roche is seeking a Custom Software Developer to design, build, and maintain robust digital solutions that power global healthcare innovation. You'll work in agile squads, combining hands-on full-stack development with strong engineering discipline across the delivery lifecycle. Responsibilities include designing resilient microservices, applying TDD,...

WeAI, dentro del ecosistema Jungle, busca un AI Solutions Engineer para liderar desarrollo full stack con IA integrada. Formarás parte de una iniciativa que transforma tecnología en soluciones de negocio mediante agentes y orquestación de IA en producción. Se espera experiencia con herramientas como Cursor, LangChain y Docker, y un enfoque pragmático...

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...

Ultralytics is seeking a Senior Full Stack Engineer to design, develop, and scale the Ultralytics Platform, our end-to-end AI model development environment. You will build robust backend services with Python/FastAPI, craft responsive frontend with TypeScript and Nuxt.js, and manage cloud infrastructure on GCP with Docker, while driving CI/CD via GitHub...

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,...

Talantir in Madrid is seeking a skilled Full Stack Developer to design, build, and deliver high-quality Java-based features for our trading web platform. You will work across frontend and backend, leveraging Spring Boot, Angular, and modern data technologies in a hybrid setup. The role requires strong English and Spanish communication, 3+ years of software...