Empleos de backend engineer nodejs en Madrid

T‑Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.Para presentar una candidatura, simplemente lea la...

TK Elevator GmbH in Spain (Mostoles) or Germany (Esslingen) seeks a backend software engineer to develop and maintain scalable cloud-based solutions. You will contribute to EOX and Helix platforms, focusing on secure data handling and robust APIs.The role collaborates with software, app, and system engineering teams, emphasizes cybersecurity, and offers...

HIBERUS busca un Senior Backend Engineer para liderar el desarrollo de servicios backend distribuidos, con foco en seguridad, rendimiento y escalabilidad. El rol combina desarrollo software con buenas prácticas de integración y despliegue continuo, trabajando en un entorno internacional y con tecnologías modernas.La posición ofrece contrato indefinido,...

Backend QA Engineer to design and execute tests for backend systems, APIs, and databases. Collaborate with engineering teams, support automation, and improve testing strategies.

Our client, a cutting-edge technology firm, is seeking a highly skilled Senior 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 talented team of engineers, collaborate on architectural...

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...

MEDvidi is seeking a Senior Backend (NodeJS) Engineer to lead AI automation integrations within our telemedicine platform, designing and scaling backend systems that connect our core product with AI services for thousands of patients and providers.You will work at the intersection of backend engineering and applied AI, building production-grade...

Backend Engineer for IoT platform, focusing on Python and Java development, API design, microservices, and CI/CD.

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.7 on Trustpilot, based on 60,000 reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

Vortech PCI Group busca un/a Senior Backend Engineer especializado/a en. NET para un proyecto estratégico internacional greenfield. Se trabajará en un equipo desde cero, diseñando soluciones backend con C# y. NET moderno, APIs REST y microservicios. Enfoque Spec-Driven Development con IA aplicada al desarrollo.Se valorará experiencia en. NET 8/9/10,...

Copyright Clearance Center (CCC) seeks a Senior Software Engineer to join our global team delivering enterprise software for pharma and publishing. You will collaborate with cross-functional engineering, participate in analysis, design, development, testing and documentation, and help shape scalable, secure systems. Work includes building back-end services...

ERNI Spain is seeking a seasoned .NET backend engineer to join our Identity Platform project in the MedTech space. You will design, develop and maintain secure backend services on Azure, focusing on authentication, authorization and identity management across multiple applications.You will work in a hybrid model with regular collaboration, mentoring, and...

Affirm is looking for a Software Engineer to join the Card Checkout team, building scalable backend systems for the Card products. You will collaborate with product, design and analytics to deliver a seamless checkout experience for users and participate in on-call duties.You should have 2+ years of software engineering experience, be proficient in Python or...

Pillar is hiring a backend-leaning Full Stack Engineer in Barcelona, onsite. You will own features end to end, shaping data models, APIs and integrations for payments and project finances, with a strong focus on backend architecture and scalable systems.You will also contribute to frontend work in Next.Js and React when needed, and apply AI to product...

Agile Engine is seeking a Senior Backend Engineer to design, build, and scale the backend for a high-traffic gaming companion site. You will implement REST and Graph QL APIs in Type Script, manage databases (Postgre SQL/My SQL) with Prisma/Drizzle, and optimize analytics pipelines (Click House).You’ll own caching, queues, integrations with Stripe and other...

Desafío Élite: Backend Software Engineer – Escala el Futuro de las Arquitecturas DistribuidasUbicación/Modalidad: Remoto / HíbridoTu rol/misión en la Empresa: Impulsar, diseñar y evolucionar soluciones backend de misión crítica dentro de un ecosistema dinámico y de alto impacto.¿Estás listo para dejar huella en la tecnología que transforma...

Clarivate is seeking a Lead Software Engineer - AI Product development to join our AI Engineering team in Barcelona. You will design and build backend services, APIs, and microservices in Python, deploying to Azure/AWS while advancing LLM-driven solutions.You will work with a small, highly skilled team, reporting to the Engineering Manager, collaborating...

Tobeit in Vigo, Galicia, Spain, is seeking a Senior Backend Software Engineer to design, build, and maintain scalable backend systems powering innovative AI-driven products. You will collaborate with frontend teams, data scientists, and product managers to deliver robust software solutions in a fast-paced environment.Ideal candidates have 7+ years in backend...

A leading IT consultancy in Madrid is seeking an Expert Java Backend Engineer to design and deliver high-quality enterprise applications.¿Es este su próximo empleo? Descúbralo leyendo la descripción completa a continuación y no dude en enviar su candidatura.The ideal candidate has over 7 years of experience in Java backend development, with strong...

Lingo is building a cutting-edge digital health platform at the forefront of real-time biosensor data analytics. We are seeking a Senior Software Engineer (Backend) to design and optimize backend systems that are scalable, secure, and resilient across global deployments.You will lead implementation of high-performance APIs, event-driven services, and data...