Empleos de senior backend developer java en Barcelona

Miratech is seeking a Senior Java Developer to contribute to development and maintenance of customized software solutions for a major European client in the public sector. The project includes tax administration domain software with a 20+ person team, focusing on secure, scalable platforms for administrative processes and data management.You will implement...

TECDATA ENGINEERING busca un Senior Full Stack Developer con experiencia sólida en Angular y Java/Spring Boot, incorporando IA generativa y herramientas de desarrollo asistido por IA en su día a día.Requisitos: +7 años de experiencia, APIs REST, Git, y conocimientos de Cloud (AWS/Azure/Google Cloud). Se valorará experiencia integrando modelos de IA y...

Alvatross busca un/a Desarrollador/a backend Senior con Java y Spring Boot para trabajar en proyectos OSS en el sector de telecomunicaciones. Participarás en arquitecturas de microservicios y en iniciativas internacionales, con acceso a formación y herramientas modernas.Trabajarás 100% remoto desde España, con horario flexible (entrada entre 8:00 y 9:00)...

Grupo TECDATA Engineering busca un Senior Backend Developer para un proyecto de larga duración en Madrid, con enfoque en desarrollo backend y evolución de sistemas existentes. Se valorará experiencia sólida en Java y Spring Boot, APIs REST y arquitecturas event-driven, además de historial trabajando con sistemas complejos y legacy.El perfil debe aportar...

OverviewWe are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote).This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies.ResponsibilitiesBuild and optimize...

Qualifyze is seeking a Backend Engineering Lead to own the overall backend ecosystem, combining people leadership with ownership of backend architecture, standards, and delivery quality. This role ensures backend development and architecture is consistent, scalable, and aligned with product, while growing backend engineers and enabling teams to deliver...

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...

Are you our next Backend Developer?Role: Backend Developer (Mid / Senior)Location: Hybrid (Remote / Turin, Italy)The Mission: A Digital World Without BarriersAt Accessiway, we aren’t just a SaaS company; we are a scale-up growing at supersonic speed with one ambitious goal: to make technology accessible to everyone, no ifs or buts. We believe that...

OneSpan in Barcelona is seeking a Senior Backend Engineer to join our backend team and drive product features from concept to production. You will own delivery, work with leadership, and shape architecture.The role requires a decade of backend experience, strong Java and Spring Boot, SQL, AWS, and Kubernetes, plus excellent cross-functional collaboration and...

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...

Qualifyze seeks a Senior Backend Engineer to join the Engineering team, shaping backend architecture and delivering scalable services that support our global audit network. You’ll collaborate across product, DevOps, and design to translate requirements into robust solutions.The role offers a hybrid work model in Europe, with remote flexibility and a salary...

Giesecke+Devrient Spain is seeking a Senior Java Backend Developer to design and maintain secure, cloud-native microservices for our TSM platform. You will lead backend development with Spring Boot 4, REST/Open API, and cryptographic workflows in a Kubernetes environment. You will collaborate with architects, product owners, and QA engineers, drive automated...

Giesecke+Devrient is seeking a Senior Java Backend Developer to lead the design, development, and maintenance of secure, cloud-native microservices for our TSM platform. You will build robust Spring Boot 4 applications, implement API-first architectures, and drive automated tests in a Kubernetes environment. You will collaborate with architects, product...

Infotel in Spain's Barcelona area is seeking a Senior Java Backend Engineer to join our Java Development Competence Center. Reporting to the Tech Lead, you will contribute to the design and development of high-quality software solutions for international clients.You will work on Java 17/21, Spring Boot, microservices, REST APIs, Kafka, and occasional Angular...

K-LAGAN in Spain is seeking a Java Developer to join our Cloud & Software Development team and become part of an international, dynamic environment. You will design and develop scalable cloud-based microservices for our global clients, ensuring robust solutions and high quality.Role offers a permanent contract, hybrid work, flexible hours, continuous...

About The Job In your role in Application Support, you will ensure the seamless operation and management of applications within the managed portfolio. Your expertise will be crucial in performing regular updates and patches to maintain application security and compliance with licensing agreements. In your role in Application Support, you will ensure the...

Adaptive, a financial technology firm, is seeking a Senior Java Developer to design and build high‑performance Java applications and libraries. You will work in a test‑driven, Agile environment, collaborating with peers to deliver robust, scalable trading systems and open‑source components like Aeron, Hydra, and Artio.You have strong Core Java (Java...

Senior Full Stack Developer (Angular/Java) con IA Ubicación: BarcelonaModalidad: Híbrida, 1 día presencial a la semana con flexibilidadSector: SegurosNivel de inglés: B2 o superior Descripción del puesto Buscamos un/a Senior Full Stack Developer con experiencia en Angular, Java y herramientas de Inteligencia Artificial generativa, para participar en el...

AD4 Octógono busca un/a Senior Java Developer para un proyecto basado en microservicios. Backend con Java y Spring Boot, APIs REST, PostgreSQL y servicios Cloud en AWS. Modalidad 100% teletrabajo en España. Salario entre 30.000 € y 38.000 € brutos anuales.Se valorará experiencia con IA, desarrollo con Spec-Driven Development y generación de código...

About the Job In your role in Application Support, you will ensure the seamless operation and management of applications within the managed portfolio. Your expertise will be crucial in performing regular updates and patches to maintain application security and compliance with licensing agreements. Your role also involves monitoring application performance...