Empleos de senior backend engineer java en Madrid

Join our expanding engineering team! We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business. This is an initial 12-month Fixed Term Contract, with the potential to extend or transition into a permanent role. Build the event-driven microservices that power clean, affordable transport for riders...

Descripción del puesto EnThe Whiteam Consultingestamos buscando un/aSenior Backend Developercon sólida experiencia enJava, Spring Boot y Spring Batch , para participar en una iniciativa estratégica de transformación tecnológica orientada a la modernización de sistemas Mainframe. La persona seleccionada trabajará en la migración y evolución de...

En The Whiteam Consulting estamos buscando un/a Senior Java Backend Developer con experiencia en Spring Boot, AWS y Kubernetes para incorporarse a un proyecto tecnológico de alto impacto.Buscamos un perfil con experiencia en el desarrollo de aplicaciones backend cloud-native y APIs REST, que quiera formar parte de un equipo especializado participando en el...

Y-Axis busca un Ingeniero de QA Automatización Senior en Madrid. La persona seleccionada se encargará de diseñar estrategias de testing y desarrollar pruebas automatizadas utilizando Java y Selenium. Se requiere un mínimo de 5 años de experiencia en QA, así como habilidades en Cucumber y Gherkin. El contrato es indefinido con modalidad de trabajo...

Lever, Inc. is seeking a Senior Backend Engineer for Payments & Fintech in Spain. You will rebuild and scale the financial systems at the core of a growing global platform, owning architecture for billing, subscriptions, and entitlements. You will lead migrations from legacy systems while ensuring correctness, reliability, and auditable financial records....

Pearson is hiring a Senior Software Developer to design and deliver backend components for AI-enabled educational products. You will work in cross-functional teams to implement scalable services, APIs, and microservices while integrating AI capabilities and maintaining strong technical documentation. The role emphasizes autonomy, ownership, and collaboration...

Kraken is expanding its Agent Systems team to build AI-powered agents that automate internal workflows across our platform. You will design, prototype, and productionize backend services that reason over user interactions and integrate with multiple internal APIs. We value strong backend fundamentals, distributed systems thinking, and hands-on AI/ML...

Crew buscaAnalista Programador/a Senior para liderar el desarrollo backend con Spring Boot. El proyecto se basa en microservicios, usando Java, JPA/Hibernate y PostgreSQL, con seguridad mediante OAuth2 y JWT. Se valora experiencia en APIs REST y despliegue en AWS, trabajando en un entorno técnico avanzado. El candidato ideal tendrá capacidad para...

Pearson is seeking a highly autonomous Senior Software Developer to design and implement backend components for AI-enabled digital products. You will lead architecture, API design, and deployment of scalable microservices, collaborating with data science teams to operationalize AI models. This role emphasizes ownership, DevOps practices, and adherence to...

Kairós Digital Solutions SL busca un/a Lead Backend Engineer para liderar la modernización de sistemas críticos y la migración de arquitecturas legacy. Serás Tech Lead de referencia, orientando a otros ingenieros e influyendo en decisiones técnicas transversales. Trabajarás con Java 21 y Spring Boot, junto a Kafka y plataformas Cloud (AWS/GCP), IaC y...

Viterbit busca un/a Desarrollador/a J2EE para el desarrollo backend en un proyecto tecnológico estable. Participará en el diseño y desarrollo de componentes complejos y coordinará el trabajo de otros desarrolladores dentro del equipo. Se exige experiencia en desarrollo Java empresarial, frameworks modernos y Java Platform, Enterprise Edition. Se valoran...

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...

Pearson is seeking an experienced Senior Software Developer to design and deliver backend components for digital learning products. You will partner with product teams to set objectives, define timelines, and implement scalable services with AI integration across cloud environments. This role emphasizes autonomy, ownership, and collaboration within a...

HCL Technologies Limited is seeking a Backend Developer to strengthen our Spain-based team. You will design and implement backend services, compose APIs, and contribute to CI/CD using Azure DevOps. Proficiency in Maven, JPA/JDBC, and databases is expected, with knowledge of OpenShift and scalable architectures. You should be comfortable with distributed...

Pearson is seeking a highly autonomous Senior Software Developer to join our AI-enabled English language learning platform. You’ll design and deliver scalable backend services and APIs, integrate AI models, and guide the full software lifecycle with DevOps and Clean Code practices. Based in a hybrid setup, this role requires strong collaboration with...

Desarrollador/a Backend SeniorBuscamos un Desarrollador Backend Senior para incorporarse a equipo de producto de alto impacto construyendo sistemas escalables. Qué harásDiseño e implementación de servicios backend y APIs Modelado de bases de datos y optimización de consultas Arquitectura de microservicios e integraciones Code reviews y mentorización de...

M-KOPA is seeking a Senior Backend Engineer to scale M-KOPA Mobility. You will build event-driven C#/.NET microservices powering a growing e-mobility financing platform across Africa. The 12-month Fixed Term Contract can extend or become permanent, with fully remote work across UTC -1 to UTC +3. You will own services end-to-end, collaborate on architecture,...

Super is a global technology group building The Playstack, powering sports, gaming and fan experiences across Europe and Latin America. We are seeking a Senior Backend Engineer to join the Player – Transact Tribe to shape scalable systems and drive platform-wide improvements. You will work on core platform components, cloud-native solutions, and...

A technology recruitment agency is seeking a Mid-Senior Back End Developer specializing in Python, machine learning, and data science in Zaragoza, Spain. This full-time role involves working with Fortune-500 clients and leading technical efforts in AI and quantum technologies. Candidates should have a strong educational background and experience in software...

Sinch is building the next generation of conversational AI infrastructure. As a Senior Software Engineer on the Context Storage team, you will design, build, and own the core data platform that captures, persists, and serves conversational context to AI agents across SMS, WhatsApp, and voice at scale. You will work on a zero-to-one platform from the ground...