Empleos de backend engineer nodejs en Madrid

Henry Schein, Inc. is seeking a developer proficient in building and maintaining APIs and backend services. The role focuses on secure, high-performance backend systems with clean, modular code and robust frontend support through interactive interfaces. Responsibilities include integrating external APIs, implementing best practices, and ensuring...

Lansweeper seeks a Senior Software Engineer in Alicante, Spain to craft production-grade Go or Rust backends. You will enhance distributed systems handling millions of assets, and integrate AI-assisted development into daily workflows. The team emphasizes high performance, reliability, and collaboration across the AI-native engineering culture. You’ll work...

Krell Consulting & Training, S.L. busca un/a QA Engineer con experiencia en automatización de pruebas, Java orientado a Backend y conocimiento sólido de FOREX. Se valorará experiencia en entornos Agile y capacidad de trabajo en equipo. La posición es 100% remota y permite incorporarse a un proyecto tecnológico de larga duración. Se espera dominio de...

Your Tasks The Payment & Basket Platform team is a foundational team working on our core stack to improve developer experience in the area. Develop value-adding features for our customers and leverage your technical expertise to create the best possible solutions following the Clean Code principles. Embrace Dev Ops, taking responsibility for your team’s...

Clarivate is seeking a Senior Software Engineer for AI Product development in Barcelona. You will design, build, and operate scalable backend services and data pipelines powering regulatory intelligence products for life sciences clients. The role involves hands-on work with TypeScript, Node.js, Java, Django, and AWS, plus developing AI-enabled features and...

About The Agile Monkeys We're a software studio of 75+ people, and still growing. We build production AI systems for regulated industries like healthcare, insurance and banking, mostly for US clients. We also build our own AI-native products. AI isn't a layer we add on top. It's how we work and what we ship.About the role We're growing several teams at once,...

Oxigent Technologies ищет старшего Python-инженера в Барселоне для команды Code Foundations. Вы будете работать над критически важной инфраструктурой backend, микросервисами и коммуникациями между сервисами. Требуется...

Senior Software Engineer (Backend) Overview Company Name TomTomJob Role Senior Software Engineer (Backend)Qualifications Not specifiedCategory IJob Type Full TimeLocation Madrid, SpainRequirements What we're looking for Strong professional software engineering experience, with Java as your main programming language.Experience designing,building and...

Aircall is hiring a Software Engineer to design, develop, deploy, and operate business-critical features that deliver customer value. You will work with NodeJS, TypeScript, and AWS, building scalable services and integrating with CRM/Helpdesk tools. Collaboration, mentoring, and a focus on quality are key.You should have 3+ years in backend development,...

Talent Connect is seeking experienced Backend Developers for a hybrid role in Spain, primarily focused on Java, Spring Boot, and AWS development.Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuación.The ideal candidate will have over 3 years of experience in...

GMV in Tres Cantos, Spain is seeking a passionate back-end developer for its Space Traffic Management projects. The role involves developing new functionalities in a microservice architecture and requires expertise in Java or Python, along with Linux and Docker skills. GMV offers flexible working conditions, personalized career development, and a well-being...

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...

Mind Shore busca un Backend AI Engineer para un proyecto con un cliente español, trabajando en soluciones backend con Java Spring Boot o. NET C#, integrando IA basada en LLMs y pipelines RAG. Se valorará experiencia real en producción y diseño de APIs y microservicios. El rol es 100% remoto desde España, contratación a tiempo completo, con payroll...

Una empresa de tecnología en expansión busca un/a Backend Engineer para unirse a su equipo de desarrollo en Madrid, Barcelona, Gijón o Pamplona. El rol implica diseñar y desarrollar APIs en Node.js y FastAPI, definir estructuras sólidas entre microservicios y optimizar el rendimiento. Se requiere experiencia en Node.js y Python, además de conocimientos...

LeoVegas is seeking a Backend Engineer to design, build, and maintain cloud-based microservices using Java, Spring Boot, and JPA. You will integrate gaming providers via APIs, collaborate with frontend teams to expose game data, and optimize backend performance for a scalable gaming platform. You will work on production-ready services with strong...

DKB Code Factory in Valencia is seeking a Senior Backend Developer (Java or Kotlin) to own core backend services. This hybrid role offers ownership of key domains, mentorship of peers, and opportunities to grow technical leadership in a collaborative team. You will deliver end-to-end backend features, drive code quality, and align with Product, QA, DevOps....

Sinch AB in Spain is seeking a Senior Software Engineer for the Context Storage team to design, build and own the core data platform that captures, persists, and serves conversational context to AI agents operating across SMS, WhatsApp, and voice at scale. xqbhyrx Siga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades...

Agile Engine seeks a Python Backend Developer to extend the internal developer portal and dashboard, leveraging AI coding tools in daily work. You will design a robust backend, integrate diverse databases, and maintain CI/CD pipelines. You’ll work with Linux environments and collaborate with cross-functional teams to deliver scalable solutions. The role...

Novartis Farmacéutica, S.A. in Barcelona seeks an experienced Python developer to design scalable backend services and enterprise APIs. You will connect enterprise systems, databases, cloud platforms, and AI services, delivering production-ready solutions. The role emphasizes building cloud-native applications with AWS, containerization via Docker, and...