Empleos de backend engineer nodejs en Madrid

Lynx Financial Crime Tech S.A. busca un/a Software Engineer (Java) para unirse a nuestro equipo en Madrid.Participarás en la construcción y mantenimiento de una plataforma de orquestación de fraude para entornos distribuidos de alto rendimiento, con microservicios reactivos y Java 21+, Spring Boot y Netty. Requisitos: +2 años en backend con Spring Boot;...

Otto Group Solution Provider Spain Sl 1 is seeking an experienced backend developer to join our DevOps-driven team in Madrid. You will implement cloud-based business systems for a major e-commerce client and shape system design with the Product Owner.You will collaborate with our German colleagues in an international environment, leveraging Java and Kotlin...

Join us at Provectus as part of a team dedicated to building cutting‑edge technology solutions that have a positive impact on society. Our company specializes in AI and ML technologies, cloud services, and data engineering, and we take pride in our ability to innovate and push the boundaries of what's possible. We are looking for a highly skilled Senior...

Envista is seeking a Senior Backend Software Developer in Madrid to join a regional/global team supporting Spark Aligners software. You will contribute to the backend of a web portal used to submit and track orders, built on Java/Spring and cloud technology.The role requires 4+ years of Java/Spring experience, RESTful API design, and strong RDBMS skills....

Grupo Digital busca un/a Ingeniero/a Senior en Python para diseñar, desarrollar y mantener soluciones backend en la nube con AWS. Trabajarás en un entorno Agile, diseñando APIs REST y GraphQL escalables y participando en decisiones de arquitectura para soluciones de alto rendimiento.El puesto es 100% remoto desde España, con incorporación inmediata y...

Super is building The Playstack—an expansive platform powering sports, gaming, and fan experiences across Europe and beyond. We seek a Senior Software Engineer to design and develop critical infrastructure, optimize performance, and drive reliability across markets.You will contribute to a scalable platform, participate in code reviews, and mentor...

Sinch is seeking a Software Engineer to join the Inbox services within the SaaS Engage Platform. You will be part of a cross-functional, autonomous team responsible for the full software development lifecycle, from design to deployment and maintenance.You will build high-impact, scalable backend services in Java, focusing on reliability, performance, and...

OSP Spain, now part of One.O, seeks a backend developer to join our cloud-first team in Madrid. You will implement and improve the DevOps process for cloud-based business systems for a major e-commerce client, and collaborate on system design and technical architecture with the Product Owner.The role involves working in an international environment with our...

About UsNalanda is a leading Spanish multinational dedicated to bridging the gap between large companies and their suppliers through an innovative digital platform. Our platform streamlines business processes such as document exchange, purchases, invoices, and vital business information. We specialize in coordinating activities between contractors and their...

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...

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...

Goodweek is hiring a Backend Engineer to join our Core AI team, building the infrastructure behind our AI platform for speed, reliability, and scale. You’ll work across orchestration, memory, security, and system harness to keep latency low and models predictable.You'll collaborate with US and France teams, contribute to production-grade backends, and own...

We're looking for a Backend Software Engineer who enjoys building products, not just writing code.This is a backend-focused position, but we're looking for someone comfortable stepping into the frontend when needed to help deliver complete features and create a seamless user experience.You'll work closely with product stakeholders, helping shape solutions,...

SKIDATA is seeking a Backend Developer to design and implement tailored software integrations that connect third-party systems with SKIDATA products. You will work on complex access solutions and own integration projects from design through delivery in a global team.The role requires 3-5 years of backend experience with C#/.NET, REST/SOAP/gRPC, and CI/CD...

AD4 Octógono busca un/a Senior Java Backend Developer para unirse a un proyecto tecnológico donde la experiencia en Java moderno, programación concurrente y servicios distribuidos serán clave. El candidato debe dominar Spring Boot, Reactive Programming, gRPC y AWS, y tener al menos 8 años de experiencia, con inglés C1 obligatorio, para evolucionar...

Astek Iberia está buscando un/una Ingeniero/a de Software en C++ para colaborar con nuestro partner líder en el sector B2C IT travel a nivel global. Desarrollarás funcionalidades en soluciones de pago, en un entorno Cloud y con microservicios.Ofrecemos crecimiento profesional rodeado de especialistas IT, horario flexible, modalidad híbrida 50% remoto y...

¡Buscamos Senior Backend Engineer (.NET) | Madrid!¿Te apasiona el desarrollo backend, la arquitectura de software y los retos tecnológicos a escala internacional?Desde Experis buscamos un/a Senior Backend Engineer especializado/a en .NET para incorporarse al nuevo Hub Tecnológico Internacional de una multinacional líder del sector Real Estate, ubicado...

Actualmente contamos con vacantes en Madrid y Bilbao para Software Engineers Backend (Java, Microservices y Python) que quieran desarrollar su carrera profesional en GFT. Buscamos personas entusiastas, con iniciativa y ganas de seguir aprendiendo, que deseen crecer en un entorno multicultural, dinámico, colaborativo y lleno de retos.Entre tus funciones...