Empleos de backend engineer nodejs en Madrid

Una empresa de tecnología busca incorporar un/a Backend Python Engineer para un proyecto freelance de 3 meses. Las funciones incluyen mantener y mejorar un servicio backend con FastAPI, desarrollar funcionalidades, y garantizar una buena arquitectura. Se requiere experiencia con Python, FastAPI y bases de datos relacionales como PostgreSQL. Esta posición...

GMV in Tres Cantos, Spain is seeking a passionate back-end developer for its Space Traffic Management projects.Presente su candidatura después de leer los siguientes requisitos de habilidades y cualificaciones para este puesto.The role involves developing new functionalities in a microservice architecture and requires expertise in Java or Python, along with...

Una empresa tecnológica en crecimiento en Majadahonda busca un Desarrollador/a Sr Backend con amplia experiencia en Python Django para liderar el desarrollo de su infraestructura backend. Se requiere un mínimo de 5 años de experiencia, habilidad para diseñar arquitecturas escalables y trabajar con Jira. El puesto permite trabajo híbrido y ofrece...

IKEA is seeking an AdTech Software Engineer (Backend) to join the Marketing Acquisition Team in Madrid. You will develop AdTech solutions, manage data transfers to paid media channels and collaborate with external partners for API integrations.You will design scalable data architectures and contribute to cloud-native, secure implementations in an Agile...

Kleinanzeigen is Germany’s leading online classifieds platform with 36M+ monthly users.Sea uno de los primeros solicitantes, lea la descripción completa del puesto a continuación y luego envíe su candidatura para que sea considerada.You will bridge a high-traffic backend with polished user experiences, owning the full lifecycle from design to...

Corporate Sales Engineer - German (Remote) Spain - BarcelonaGermany - RemoteFull timeR30247As a global leader in cybersecurity, Crowd Strike 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 advanced...

Monzo Bank is looking for a Backend Engineer in Barcelona, Spain. In this role, you will collaborate with a diverse team to enhance the banking platform while working with technologies like Go, Cassandra, and AWS. Strong backend development experience and a product mindset are essential. Benefits include a competitive salary, flexible working hours, and a...

Science advances fastest when researchers can collaborate across boundaries — institutional, geographic, and disciplinary. Research Topics are how Frontiers makes that happen: themed, peer-reviewed article collections where leading researchers from around the world propose a theme, invite contributors, and curate the resulting work into an openly...

Twin Red is seeking an experienced backend engineer to join our Barcelona team. You will design, build and maintain high-performance, scalable systems handling large traffic volumes, with Go (Golang) as a core part of our stack, and occasional work on Scala/PHP legacy code. You will collaborate across teams to translate business requirements into robust...

Backend Engineer - Fixed Term Contract / Infrastructure and Automation We’re looking for a number of Backend Engineers to help build robust services and automation pipelines that support next generation AI and quantum‑inspired technologies. The team enables model compression that reduces LLM size by up to 95 % and cuts inference costs by up to 80 %,...

SEREM Consultoría Empresarial busca un Backend Developer Java con experiencia para un proyecto en Barcelona, centrado en microservicios y APIs REST, en un entorno Agile/Scrum. Se valora integrar tecnologías frontend, principalmente Angular, y conocimientos de Kafka, MongoDB y Spring Boot. La posición es híbrida, con 1-2 días en oficina y el resto en...

Capitole Consulting is expanding its team and seeks a Node Software Engineer for a major international project. The role requires strong TypeScript and Node.js skills, REST API design, and experience with PostgreSQL in an Agile environment. English and Spanish are the working languages. You will join a great team, enjoy flexible training budgets, private...

Actimo is seeking a Node.js developer skilled in both backend and full-stack development. Your role involves driving development of the core platform, maintaining high-quality code, and building RESTful APIs. The ideal candidate should have 2+ years of experience with Node.js and a Computer Science degree/equivalent. The position includes benefits like...

W Hunt España busca un Senior Java Developer para liderar el desarrollo, integración y mantenimiento de aplicaciones internas. Se trabajará con Java, Spring Boot y arquitectura de microservicios, asegurando alto rendimiento y calidad. Se requieren 7+ años de experiencia en backend, Kafka, Oracle y Mongo DB. Trabajo 100% remoto, contrato indefinido y...

Desde BCNC Group buscamos incorporar Backend AI Engineer para participar en un proyecto de Inteligencia Artificial generativa y sistemas multiagente en el ámbito financiero de una entidad bancaria. ¿Todo listo para enviar su solicitud? Asegúrese de comprender todas las responsabilidades y tareas asociadas a este puesto antes de continuar. Buscamos un...

Moffatt & Nichol is seeking a Backend/ Full Stack Software Engineer (mid to senior) to join our Valencia or Algeciras office. You will work on cloud-based applications using Angular and Java Spring Boot in a microservices environment, collaborating with cross-functional teams to deliver scalable, maintainable solutions. The role involves full SDLC...

Novartis AG in Barcelona, Spain, is hiring a software engineer to design and develop Python backend services. You will build scalable, secure APIs, connect enterprise systems, and integrate ML capabilities on cloud platforms such as AWS with Docker containers.The role requires 2+ years of Python experience, strong SQL, and English communication in Agile...

Flight Centre Travel Group is seeking a Software Engineer in Barcelona to design, build, and evolve AI-native travel tech. You will work in agile squads, owning features from design through deployment while collaborating across international teams.The role emphasizes backend Rails development, containerised services, and integration of LLM APIs to deliver...

Nuestro cliente es una compañíaSaaS B2B orientada al sector industrial. Su plataforma da soporte a empresas industriales en la gestión y optimización de sus procesos de negocio, centralizando información, automatizando flujos de trabajo y conectando sistemas que hasta ahora funcionaban de forma aislada.Es un producto propio en modelo SaaS multi-tenant,...

Ingeniero/a de Software Principal (Principal Software Engineer)Our client, a cutting-edge technology firm, is seeking a highly skilledSenior Software Engineer (Backend)to join their fully remote engineering team. In this role, you will design, develop, and maintain scalable and robust backend systems that power their innovative products. You will work with a...