Empleos de java backend architect en Barcelona

Tappx is hiring a Senior Java Backend Developer to join the Performance Tech team in our IT department. The role focuses on coding, debugging, and maintaining high-quality backend services in Java, with a hybrid/remote setup across Spain. You will work across the application lifecycle, gather requirements, and collaborate with data and product teams to...

An international technology company is seeking an experienced Backend Developer with expertise in LangChain and LangGraph. The role involves designing AI Agents and optimizing backend functionalities in a fully remote environment. Ideal candidates should have a strong background in backend architecture and a passion for AI-driven solutions. Competitive...

Knowmad mood busca un/a Tech Lead Backend Java para liderar la ingeniería de software, definir soluciones técnicas y acompañar al equipo en proyectos de alta calidad. Se valorará experiencia en APIs OpenAPI, microservicios y arquitectura hexagonal, junto con dominio de Kafka y entornos CI/CD.Ofrecemos contrato indefinido y modalidad de trabajo en remoto,...

Amaris Consulting is hiring a Senior Java Developer to design, develop, deploy, and operate scalable SaaS platforms for payroll and HR tech. You will join multidisciplinary squads, combining backend expertise with DevOps practices to support business-critical services through the full software lifecycle. The role requires 7+ years as a Backend Engineer with...

Festo, a global automation leader, seeks a Senior Backend Java Developer to drive digital transformation from the Digital Innovation Hub in Barcelona. You will own backend design, work with Spring Boot, React/AWS stack, and collaborate across regions on eCommerce, product configuration, analytics and digital sales initiatives. You will mentor peers,...

¿Buscando nuevos retos? ¿Quieres formar parte de nuestro equipo? Desde Profile buscamos un/a Senior Developer con fuerte orientación backend (80%) para incorporarse en uno de nuestros servicios del sector asegurador. Trabajarás en un entorno técnico avanzado dentro de un ecosistema basado en microservicios, integraciones y arquitectura distribuida. Con...

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...

As you contemplate your future, you might be asking yourself, what’s the next step? Start your journey with us! We are looking for a backend architect to join the architecture team in charge of our systems. As one of Europe's top e-commerce sites, our platform serves millions of daily transactions in 40+ countries and has very demanding requirements in...

Jobgether in Spain is seeking a Senior Backend Developer (Go) to architect and implement reliable, scalable backend services for a modern energy trading platform. You will leverage Go expertise and AI-assisted tools to accelerate delivery while maintaining high engineering standards. You’ll work remotely, mentor peers, and contribute to system design,...

Intellectsoft seeks an experienced ML/backend engineer to build scalable ML platforms and backend systems in Spain. You will design and deploy APIs with FastAPI, implement MLOps for model KPI tracking, drift detection, and feedback loops, and orchestrate LLM workflows with LangChain. You will integrate Azure OpenAI (GPT-4) and other providers, ensure async,...

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...

Duetto is seeking a Staff Software Engineer to own the Java/Spring platform architecture and modernisation initiatives. You will drive domain boundaries, design data flows with AWS services, and guide multi-tenant system improvements at scale. You will mentor engineers across US and EU teams and shape engineering standards while advancing AI-assisted...

Wizeline is seeking an experienced Java developer to design, build, and scale RESTful APIs and microservices for our Content Services platforms. You will work in a hybrid Barcelona setup, combining in-office collaboration with remote work across the week. The role emphasizes cloud-based development (GCP), event-driven architectures (Kafka), and integration...

Buscamos un/a Senior Backend Developer Java, con mínimo 4-5 años de experiencia para incorporarse a un equipo de producto orientado a la creación y evolución de soluciones digitales escalables, con alto impacto en negocio. Participarás en el diseño y desarrollo de servicios backend, trabajando con Java 21, Spring Boot, microservicios, Kafka y...

Knowmad mood, una compañía líder en transformación digital, busca un desarrollador backend con al menos 3 años de experiencia. Se requiere dominio de Java 21+, Spring Boot y Spring Data, arquitectura hexagonal y microservicios, diseño de APIs con OpenAPI, y sólidos conocimientos de Kafka y bases de datos (MariaDB/MongoDB).Ofrecemos modalidad remota...

Vermont Solutions en Madrid busca un/a Senior Backend Developer especializado/a en Java y Spring Boot con 6+ años de experiencia en microservicios y entornos Cloud. Diseñarás, desarrollarás y mantendrás soluciones cloud-native, asegurando rendimiento, seguridad y observabilidad en equipos ágiles.Requisitos: Java, Spring Boot, Spring Security, Kafka y...

Grupo TECDATA Engineering busca desarrolladores/as Java Senior con sólida experiencia en backend y arquitecturas de microservicios.El rol requiere autonomía en entornos de alta exigencia técnica y un dominio de Java con Spring Boot, bases de datos relacionales y NoSQL, y mensajería con Kafka o RabbitMQ.Se valoran conocimientos de programación reactiva,...

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Senior Backend Developer con sólida experiencia en Java, 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...

Festo inspires people and organizations around the world with innovative solutions for industrial automation. We are an independent family business and offer more than 20,000 employees the opportunity to take bold steps, realize their ideas, and take on responsibility. As a team, we grow by tackling challenges together and we welcome everyone who wants to...

Senior Backend Java Developer for Digital Innovation Hub Festo is a Global leader Engineering firm with over 20k employees worldwide. We create and develop highly specialized technical tools for several applications, such as Industrial Automation, Chemical depuration, Food & Beverage processing, 3d Modelling, etc. Working in the Digital Hub, you will act as...