Empleos de senior backend java developer en Madrid

Allianz Technology Spain hub seeks a Senior Java Software Developer to modernize critical systems and build cloud-native solutions across the KLS platform. You will bridge core systems with new services, collaborate with global colleagues, and shape a forward-looking team culture.You will apply Java 12–21, Spring Boot/JBoss, REST APIs, and unit testing...

Adroitpeople is seeking a Java Senior Developer to handle technical analyses and implementations. The ideal candidate will have at least 5 years of experience with Java and a strong understanding of APIs, IT security, and agile methodologies. This role requires fluency in English and the ability to work both autonomously and collaboratively within a team....

A leading SaaS company is seeking a Senior Java Engineer to join their team in Spain. The successful candidate will play a pivotal role in designing backend services using Java and Spring, while also migrating functionality from Node.Js. This position emphasizes quality through clean architecture and strong patterns, working within a stable and mature...

Full Stack - Senior Developer (remote) Óscala works for a growing list of reputable clients in The Netherlands and surrounding countries. We offer our clients additional (remote) capacity so they can continue to build their state-of-the-art software solutions, web applications, mobile apps and alike. For one of our clients we are currently looking for a:...

Ruideria is seeking a Senior. NET Backend Developer to drive backend architecture for the flagship product and deliver robust RESTful APIs. You will collaborate with Frontend and UX/UI teams to ensure scalability, performance, and reliability of the server-side platform. The role requires 3+ years in backend development, strong C#/. NET expertise, and...

Capitole keeps growing, and we want you to grow with us!Are you a Full-Stack Developer with strong experience in Java, Spring Boot and Angular ?At Capitole, we are looking for a Senior Full-Stack Developer (M/F) to join an international project.What will you do?Design, develop and maintain scalable full-stack applications.Develop backend services using Java...

Knowmad Mood busca un perfil de desarrollo backend senior con más de 6 años de experiencia para diseñar y evolucionar soluciones basadas en microservicios, Java y Spring en un entorno tecnológico avanzado, orientado a IA y soluciones escalables. Trabajarás en APIs REST, arquitectura hexagonal, pruebas y DevOps (CI/CD, Kubernetes). Ofrecemos contrato...

Senior React Developer (Design Systems) Desarrollar aplicaciones frontend utilizando React como tecnología principal. Implementar componentes reutilizables y optimizados para mejorar la experiencia del usuario. Colaborar con el equipo de tecnología (desarrolladores backend) en la definición y ejecución de soluciones técnicas. Implementar y...

Krell Consulting & Training, S.L. busca un/a Senior Fullstack Developer con sólida experiencia en Java, Spring Boot y tecnologías frontend para un proyecto tecnológico con IA. La posición es híbrida en Barcelona, con aproximadamente un día presencial por semana.Se valoran experiencia en APIs REST, entornos Cloud y herramientas de IA de desarrollo, así...

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...

Join Merkle in Barcelona as a Java Developer (junior level) working full-time with hybrid remote options.Responsibilitiesdesigning and coding Java backend applications using TDDparticipating in all development phasesdelivering business value each sprinttranslating requirements into technical designimproving team processessupporting component...

En Vermont Solutions buscamos un/a Senior Java Developer para incorporarse a un proyecto de alta complejidad técnica, trabajando con múltiples repositorios, servicios Java, sistemas legacy integrados y una arquitectura orientada a eventos.Si tienes experiencia sólida con Java y Spring Boot, te gusta trabajar sobre arquitecturas distribuidas y disfrutas...

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a senior backend developer to design, implement and operate scalable services for our Global Loyalty ecosystem. You will work with Kotlin, GCP, and modern DevOps practices to deliver reliable solutions that power millions of interactions across Europe.The role emphasizes event-driven...

Pearson is seeking a Senior Software Developer to join the English Language Learning division, delivering AI-enabled backend services and scalable APIs. You’ll lead design, implement features, and collaborate with product teams to drive innovation in real-world learning products. The role requires autonomy, strong Python and cloud experience, and a passion...

Desde BCNC Group buscamos incorporar un/a Tech Lead / Arquitecto/a Java para participar en un proyecto estratégico, estable y de largo plazo dentro del sector bancario-financiero, centrado en la modernización de una plataforma de reconciliación.Buscamos un perfil Senior, técnico y hands-on, con más de 5 años de experiencia profesional en posiciones de...

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...

About Our Company Fortuna has become an established brand among customers within just a few years. We became a proud international Family of companies carrying Fortuna Entertainment Group from the first betting shop. Madrid, ES, 28045 Let's play together About Our Company Fortuna has become an established brand among customers within just a few years....

Generous budget for training and professional development opportunitiesWhat ALZURA offers youHybrid WorkModern Hardware EquipmentGenerous budget for training and professional development opportunitiesYour daily tasksProfessional software development in the technical and methodical environment of Java, Spring Boot, Hibernate, Freemaker Template Engine,...

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...

OverviewAtQ-tech, we’re looking for aSenior Java Engineerto join a global SaaS product that’s scaling fast and moving into a more mature, reliability‑focused phase.The platform handles a high volume of data and workflows used by customers across multiple countries. The team is strengthening its foundations to ensure stability, consistency and...