Empleos de backend engineer nodejs en Madrid

Knowmad Mood es una empresa líder en transformación digital con más de 3.000 profesionales. Buscamos un/a Desarrollador/a senior backend Java para un cliente del sector textil, con modalidad 100% remota y contrato indefinido. En el puesto aportarás ideas y colaborarás en proyectos desafiantes, con un enfoque en innovación y calidad de código. El rol...

OSP Spain, now part of One.O, is seeking an experienced backend developer to implement cloud-based business systems for a major e-commerce client. You will design system architecture with the Product Owner and collaborate with our German colleagues in an international environment. We expect 5+ years of backend Java/Kotlin experience, solid Spring Boot...

Merkle, a dentsu company, is hiring a Junior Java Software Engineer Community (Spain) in Barcelona. You will join agile teams delivering Java backend applications with strong emphasis on code quality and test-driven development. Ideal candidates hold a software engineering degree, have 1+ years Java experience, and can work in English. The role supports...

Linde Material Handling ищет инженера по ML/AI для проектирования и внедрения инновационных решений в области аналитики, машинного обучения и генеративного ИИ. Ваша задача — строить end-to-end решения, управлять...

Linde Material Handling, a world-leading provider of forklifts and intralogistics solutions, seeks an AI/ML engineer to design, build and deploy AI solutions for internal and external customers. You will work on end-to-end ML models, MLOps, and innovative AI deployments in a global, collaborative setting. The role emphasizes end-to-end AI development, cloud...

Elastic is seeking a Senior Software Engineer (Backend) to design, develop, and maintain scalable backend systems within a fully remote engineering team. You will work with a talented group of engineers, collaborate on architectural decisions, and contribute to all phases of the development lifecycle. The role focuses on building high-quality software, code...

Novartis Pharmaceuticals Corporation in Barcelona, Spain is seeking a Python software engineer to design scalable backend services and cloud-native applications. This hybrid role collaborates across Finance, Data Science, and Platform Engineering to deliver robust APIs and AI-ready solutions, using AWS and containerized technologies. Requirements include 2+...

Web Beds is seeking a Senior Software Developer for the Connectivity area. You will be an experienced member of a self-managed delivery team, working on a high-throughput connectivity layer in C# and Go, influencing technical decisions and guiding others by example. You will help shape testing, performance and security while growing the team through...

ERNI Barcelona is seeking a senior backend software engineer to design, develop, and maintain a Python-based MCP backend that connects Knowledge Graphs with AI agents and cloud data platforms. You will optimize SPARQL queries and API performance, extend semantic model compilation capabilities, and ensure security, scalability, and reliable testing in a...

TUYÚ Technology busca un/a Backend Developer para un proyecto internacional dentro del Sector Seguros. Trabajarás con un equipo global y tecnologías punteras en un entorno Agile. Se valorará experiencia en desarrollo backend con Java, así como en Spring Boot, Quarkus y MongoDB. También se requiere buen nivel de inglés para el trabajo en un entorno...

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure...

Aubay selecciona un/a Junior Software Engineer Backend (Java/Kotlin) híbrido para Esparraguera. Formarás parte de un equipo que desarrolla soluciones en un entorno de producción, aplicando prácticas modernas y trabajando con tecnologías clave del stack backend. Te incorporarás a un programa de mentoring y aprenderás a diseñar, probar y desplegar...

h3>Corporate Sales Engineer - German (Remote) Spain - Barcelona Germany - Remote Full time R30247 As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn't changed - we're here to stop breaches, and we've redefined modern security with the world's most...

T-Systems Iberia, part of the Deutsche Telekom Group, is seeking an Engineer to advance the T Cloud Public platform with a customer-focused approach.Asegúrese de leer detenidamente la información sobre esta oportunidad antes de presentar su candidatura.You will solve complex cloud backend issues, automate tasks, and work hands-on with hardware in a...

Hybrid Mind is seeking an AI Back-End Engineer to design and build scalable APIs and microservices powering AI-enabled healthcare applications. You will be hands-on across the full software development lifecycle, from architecture and development through testing, deployment, and operational support. This role requires delivering production-grade systems with...

OverviewWe are looking for aSenior Java Backend Engineerto join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. ResponsibilitiesBuild and optimize...

Trading 212 is seeking Senior Backend Engineers to own backend services end to end across a microservices platform. You will design, build, test, deploy and operate production systems, collaborating with product and engineering teams to turn complex requirements into durable solutions. You’ll work with Java, Go, Node.js and databases, focus on performance,...

Oxigent Technologies busca un/a Senior Python Developer para liderar la migración hacia Go en una multinacional tecnológica de reacondicionamiento electrónico, ubicada en Barcelona (Poblenou). La misión es apoyar proyectos del equipo Code Foundations, migrando servicios de Python a Go, en un entorno moderno con AWS, Kubernetes y microservicios, aplicando...

bsport is seeking a Senior Backend Engineer to join the Community & Engagement team, building backend systems powering marketing and communications for studios worldwide. You will work on agentic AI initiatives, the marketing suite, and data foundations to enhance scalability and channel integrations. You will design and evolve backend architectures,...

Q-tech ищет Staff Engineer для нового инженерного хаба в Барселоне. Это Backend‑центр с высоким уровнем владения и ощутимым влиянием на безопасность, API и интеграции в платформу для требовательных клиентов. Вы...