Empleos de remote java backend engineer ai-driven microservices en Madrid

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Madrija Consultoria, S.L. busca un Backend Senior con más de 10 años de experiencia para unirse a su equipo en Toledo. El candidato ideal debe tener experiencia con Java y Spring, diseño de APIs REST, y conocimiento de bases de datos relacionales como PostgreSQL. Se ofrece un contrato indefinido, salario fijo, bonus por cumplimiento de KPIS, teletrabajo,...

Zemsania busca Desarrollador/a Senior Java con dominio avanzado del inglés para unirse a su equipo dinámico y en crecimiento. Trabajarás en backend Java con APIs REST y participarás en una arquitectura orientada a eventos a gran escala. Requisitos: +4 años de experiencia y nivel B2+/C1 en inglés. Modalidad 100% remota dentro de España; desarrollo...

Initium Software SL busca un Senior Backend Engineer para diseñar y escalar arquitecturas basadas en microservicios con Java y principios de arquitectura hexagonal. Se trabajará con mensajería distribuida (Kafka/RabbitMQ) y Docker en entornos cloud, priorizando rendimiento, fiabilidad y observabilidad. Se valorará dominio de AWS/Azure/GCP, bases de datos...

Marfeel is seeking a Java Developer to join a small, high-ownership engineering team. You will own backend architecture decisions, develop new services, and navigate existing codebases while leveraging AI coding tools as a core part of your workflow. Work involves high concurrency, end-to-end ownership, and collaboration with product and data teams to ship...

Grupo Digital busca un perfil senior para diseñar y desarrollar soluciones backend basadas en microservicios con Java y Spring Boot, empleando Kafka para mensajería y procesamiento de eventos. Se valoran habilidades en arquitectura y testing para entregar sistemas robustos y escalables.La posición es 100% remota en España, con jornada de 9:00 a 18:00 y...

Initium Software busca un Backend Developer Java para acelerar la evolución de arquitecturas críticas. Diseñarás, desarrollarás y mantendrás microservicios con Java 8/11 y Spring, asegurando integraciones con sistemas legacy y APIs modernas. Trabajarás en un entorno 100% remoto desde España, con enfoque en calidad de código, pruebas y entrega...

Parser Limited is seeking a Staff Backend Engineer (Java) to lead the design and delivery of high-scale microservices and messaging systems. You will influence architectural decisions, set technical standards, and drive performance improvements while collaborating with global engineering teams. You will work with modern AI-assisted tooling to enhance...

MotorK is seeking skilled engineers to join MotorK Ultra, an elite unit building scalable backend systems across Europe. The role emphasizes clean architecture, AI-driven problem solving, and high autonomy in a fast-moving, low-bureaucracy environment. You will work with PHP/Node.js/Java, modern frontend stacks (Vue/React/Angular), and AWS, contributing to a...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You’ll collaborate with design and product, integrate payment platforms like Stripe or...

IONOS Group in Madrid is seeking an execution-driven Backend Engineer to transform architectural specs into production-ready Node.js and C++ code. You will optimize a hybrid system, leverage AI tools, and collaborate with architecture roles to push performance and quality. You will work in a fast-paced international team, with hybrid offices across...

Preply is seeking a Senior Engineer to join the Engineering Team in Barcelona to develop backend features with Python/Django, and to build integrations with third-party vendors for an AI-enabled learning platform. You will collaborate with Product, Design, Data Analytics and Engineering to deliver high-quality features through CI/CD, maintain robust testing,...

AIM Sport is seeking an AI Backend Developer in Madrid to design and build intelligent backend services that integrate AI and LLMs into products. You will develop Python-based REST APIs (FastAPI/Flask/Django REST) and build scalable server-side architectures, while orchestrating AI pipelines and ensuring robust validation of AI outputs. You will work with...

WayOps busca un Senior Backend IA Scraper para liderar extracción y procesamiento de datos a gran escala. Participarás en el diseño y desarrollo de soluciones que combinen scraping, backend y bases de datos, exponiéndolos a través de APIs y herramientas internas. Se valorará experiencia en IA aplicada a datos, pipelines de datos y entornos...

BIP Spain busca un ingeniero backend con al menos 3 años de experiencia en .NET y Azure para diseñar y construir APIs, microservicios e integraciones cloud-native. Trabajarás en soluciones donde Azure es clave, usando AKS, Functions, Logic Apps y Service Bus, y aplicarás IA para generar, refactorizar y testear código.Se valorará experiencia en Docker,...

Pearson is seeking a Senior Software Developer to help design and deliver AI-enabled backend services for our digital learning products. You’ll join an international team to build scalable solutions, implement microservices, and drive DevOps practices across the lifecycle. The ideal candidate has strong Python skills, cloud experience (AWS/GCP/Azure), and...

Pearson is hiring a Senior Software Developer to help design and deliver AI-enabled backend services for digital learning products. You will work autonomously in a fast-moving environment, collaborating with product and data science teams to deploy scalable microservices and secure, compliant solutions. The role emphasizes feature development, documentation,...

Software Development Engineer (Java&AWS), Ring Ring is looking for a Software Development Engineer who will help us create the next generation of apps, and services. In this role, you will work as a part of the Ring backend team working closely with a cross-functional team of engineers, and product managers to design, test, learn, and iterate on solutions in...

Lognext está buscando un Senior Backend Java Developer para colaborar en un proyecto estratégico en el sector de la seguridad. La posición se centra en desarrollo backend, integración entre sistemas y evolución de arquitecturas de microservicios, trabajando con Java, Spring Boot y soluciones distribuidas.Buscamos experiencia en comunicaciones...