Empleos de backend engineer nodejs en Madrid

FERCHAU Spain busca un/a Programador/a Senior JAVAEE para el desarrollo, despliegue y soporte de servicios en sistemas transaccionales críticos de pagos. El puesto implica coordinación con equipos de middleware y base de datos para un proyecto tecnológico internacional. Ubicación: San Fernando de Henares (Madrid).Modalidad híbrida (60% teletrabajo -...

Your mission as a Staff Product Engineer With Invopop, users build workflows by chaining Actions, each of which is managed by an App. An App is a standalone service focused on a single goal, such as reporting an invoice to a tax authority, synchronizing it with an external system, or transforming/enriching a document. As a Staff Product Engineer, you’ll be...

T-Systems in Madrid seeks an experienced Cloud Engineer to develop and operate the T Cloud Public platform, focusing on OpenStack-based cloud technologies and customer-oriented delivery.The role emphasizes hands-on work with cloud backend, networking, automation, and collaboration in a dynamic, international team. Hybrid work, flexible hours, and extensive...

About Bark Bark is an online services marketplace connecting customers with professionals across over 1,000 categories. Operating in nine countries including the UK, US, Australia, Canada, and New Zealand, we're transforming how people find trusted service providers for everything from home improvement to professional services. Our platform uses cutting-edge...

JOIN KLEO AND BUILD THE FINANCING INFRASTRUCTURE FOR EUROPE'S COMPANIESKleo ( is an AI-native platform that helps compaies find, match, manage, and monitor their entire financing stack: public grants, bank lending and private capital, through automated, end-to-end workflows. We replace a process that has traditionally depended on slow, manual,...

Job ID: 31161202Company: Abbott LaboratoriesLocation: Spain - BarcelonaJob Type: Full timeCategory: Research & DevelopmentIndustry: HealthcarePosted Date: 2026-09-08Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced...

Why this role matters JOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to detail and unmatched user experience. We’re looking for a Backend Engineer to join our established engineering hub in Spain. You’ll...

Software Backend Engineer ING España & Portugalcarballedo, galicia, SpainDescripción del trabajoAt ING we are looking for a Software Backend EngineerYour role and work environment:We are looking for a talented and enthusiastic Software Engineer Backend to join us.Your key responsibilities:As an experienced Software Engineer Backend, your aim will be:To...

WELCOME TO OLX We're building marketplace sustainable ecosystems that millions of people depend on every month – to buy and sell cars, find homes, land jobs, and trade secondhand goods. It's commerce that matters: safe, smart, and environmentally responsible. We do this with courage to innovate, commitment to outcomes, collaboration across 50+...

Our Campaigns & Rewards - Product Development team in Malaga is growing, and we are now looking for a Backend Software Engineer to join!Engagement at Betsson Group ensures our customers come back for more. It's all about loyalty. We provide a world class customer experience beyond the gameplay featuring Tournaments, Dynamic personalized campaigns, and much...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer - Extensions based in Spain. As a Backend Engineer - Extensions, you will play a key role in building and scaling backend systems that power advanced AI-driven capabilities for enterprise applications. Working at...

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We're Hiring: Backend Engineer (Hybrid - Barcelona)We are expanding our core engineering team. We are looking for an experienced Backend Engineer who thrives on solving complex technical challenges across distributed systems, data pipelines, and applied AI infrastructure.What You'll Do:Design and build scalable backend services using Python and...

Roche seeks a Software Engineer for the Certman PKI team to design, develop and evolve trusted software responsible for certificate lifecycles, keys and secure authentication. You will work across the full .NET stack and deliver high-performance services, embracing containerized deployments and modern security practices to safeguard digital health at...

TECDATA ENGINEERING busca un Desarrollador/a Backend Node.js para trabajar en Madrid. Modalidad híbrida: 2 días presenciales a la semana en Pozuelo de Alarcón y desplazamientos a la oficina según necesidad.Se requieren aproximadamente 3 años de experiencia en desarrollo Backend, dominio de Node.js y APIs. Se valorarán conocimientos en AWS y la...

HM Hospitales busca un/a Backend Developer Python para diseñar y desarrollar pipelines de datos, APIs y servicios backend que conecten sistemas y soluciones de IA. Se valoran proyectos con ETL/ELT, integración de fuentes heterogéneas y la construcción de herramientas internas con soporte de analítica.Buscamos entre 2 y 5 años de experiencia, manejo de...

Babel Group. busca un Desarrollador Senior Java para un proyecto en el sector TELCO. Se requiere más de 5 años de experiencia en desarrollo de software y un fuerte interés en tecnología.El rol incluye el desarrollo de aplicaciones backend y la optimización de su rendimiento. Trabajarás en un entorno colaborativo, formando parte de un equipo que...

Vic.ai, Inc. is seeking a Senior Backend Engineer to join the team behind our AI-first iPaaS.You will build and operate the integration platform that connects customers' ERP and financial systems to Vic.ai, with data syncing at scale and AI-assisted onboarding. You will work on backend services in TypeScript/Node.js, Elixir/Phoenix, and Python, and...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems, lead end-to-end features, and drive production reliability for a distributed .NET/Vue/Nuxt platform.You will mentor peers, shape architecture, and ensure scalable, high-performance experiences for researchers worldwide....

Parser Limited is seeking a Senior Backend Engineer to design and deliver scalable backend services. You will work with TypeScript, Node.js, Go, and AWS, building high-throughput microservices and real-time data pipelines for an AI-enabled product.You will design event-driven architectures, implement REST/gRPC APIs, and ensure robust observability. The role...