Empleos de backend engineer nodejs en Madrid

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...

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...

Salmon is a remote, Manila-time aligned fintech developer building a scalable payments platform for Southeast Asia. You’ll join a globally distributed team delivering JVM-based microservices and payment flows with a platform-first mindset.The role emphasizes resilience, DDD, eventual consistency, and integration with banks and PSPs. You’ll collaborate...

Oxigent Technologies busca un/a Senior Python Developer con ganas de aprender Go (Golang) para unirse a una multinacional líder en reacondicionamiento electrónico, en Barcelona (Poblenou). Participarás en la migración de Python a Go dentro de un entorno AWS, Kubernetes y microservicios, manteniendo estándares de calidad y prácticas TDD/DDD.Se valorará...

Titan Operating System S. L. (Titan OS) из Барселоны ищет Senior Backend Engineer для разработки масштабируемых серверных решений, поддержки API и баз данных. Вы будете работать с Rails, облаками и контейнерами, чтобы обеспечить...

Veriff is seeking a Senior Software Engineer to join the Trust team. You will build backend services that validate identity data against country-specific sources, expanding global coverage and ensuring reliable launches.You will model diverse upstream data, implement robust testing, monitoring, and on-call practices, and collaborate with Product, Compliance,...

Inetum Innovation ищет специалистов по разработке и внедрению AI-решений с глубоким опытом в Generative AI и облачных сервисах. Ваша работа будет включать создание масштабируемых backend‑API и интеграцию...

Scopely in Barcelona is seeking a Staff Backend Software Engineer to join an early-stage, unannounced MMO/Strategy project on a hybrid basis (3 days on site per week). You will lead backend feature development, collaborate with cross-functional teams, and mentor engineers.You will design scalable backend architecture, drive performance improvements, and...

A leading software provider in the automotive industry is looking for a seasoned backend engineer to join their remote team from Spain. You will develop and maintain Spring Boot services, work with event-driven architectures using AWS, and ensure secure API integrations. Ideal candidates have over 8 years of experience in backend development, particularly...

Vortech PCI Group S. L. busca un Senior Backend Engineer especializado en. NET para un proyecto estratégico de modernización tecnológica en Madrid. Se valoran habilidades en microservicios, APIs REST, arquitecturas hexagonales y prácticas SOLID, con experiencia en entornos distribuidos y IA aplicada al desarrollo.La posición es híbrida y colabora con...

Rover is seeking a senior software engineer to join our Barcelona team. You will focus on backend development with Python and Django, building scalable services that power our AI-assisted workflows.With 7+ years of professional experience, you’ll contribute to design, testing, and code quality while collaborating with cross-functional teams. This...

EPAM Systems Inc is seeking a Senior Software Engineer (Backend) for a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers, product managers, and designers to deliver high-quality software.You will mentor junior engineers, participate in architectural...

A technology firm in Barcelona is seeking a Senior Java Backend Engineer for a long-term freelance project. The role involves building and optimizing backend services using Java and Spring Boot within a hybrid work model. Candidates should have over 7 years of Java development experience, strong expertise in microservices, and familiarity with cloud...

Jobgether is seeking a Principal Software Engineer (Backend) to join a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers to influence architecture and the development lifecycle.A proactive problem-solver with strong backend expertise is needed to drive...

Tobeit está buscando un Desarrollador Backend Senior para un rol 100% remoto en España. La misión es diseñar, implementar y optimizar APIs escalables, manteniendo alto rendimiento y seguridad, con autonomía para afectar directamente el producto.El candidato debe tener experiencia sólida en Python/Java/Node.Js o Go, bases de datos SQL y NoSQL, y...

IKEA is seeking an Ad Tech Software Engineer (Backend) to join the Marketing Acquisition Team in Madrid. You will develop Ad Tech 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...

Flexcompute Inc. is seeking a Principal Software Engineer (Backend) to join a fully remote engineering team.You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with a talented group of engineers to drive architectural decisions and lifecycle delivery. The role requires 5+ years in backend development,...

We are looking for a Python Software Backend Engineer to build the backends and APIs behind our solutions: services that consume and publish events, store and serve data, and integrate with our clients' systems in real time. Para ser considerado para una entrevista, por favor, asegúrese de que su solicitud se ajusta plenamente a las especificaciones del...

IONOS Group is seeking an execution-driven backend engineer to transform architectural specs into robust Node.js and C++ solutions. You will optimize a hybrid system, leverage AI tools to accelerate development, and implement rigorous tests to ensure stability.In this role, you will work across Linux environments, manage Docker-based builds, and collaborate...