Empleos de senior backend engineer java en Barcelona

Cognizant is seeking a Sr Quality Engineer for a hybrid role focusing on Automation Testing using Karate and Java to design robust test strategies and automation frameworks.The position collaborates with cross-functional teams to improve product quality, optimize test coverage, and enable continuous improvement for travel industry platforms.The role...

Senior Software Engineer (Backend) Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer – Data Core based in Spain. This is a senior backend engineering role focused on building the infrastructure that powers a large-scale creator data platform. You’ll design and operate systems...

En Vortech seguimos creciendo y buscamos incorporar un/a **Senior Backend Engineer especializado/a en .NET** para colaborar en un **proyecto de Facturación** estratégico, con uno de nuestros clientes internacionales del sector software. Buscamos un perfil claramente orientado a backend, con experiencia sólida en **arquitecturas modernas, sistemas...

Merkle, a dentsu company, is hiring a Junior Java Software Engineer Community (Spain) in Barcelona. You will join agile teams delivering Java backend applications with strong emphasis on code quality and test-driven development.Ideal candidates hold a software engineering degree, have 1+ years Java experience, and can work in English. The role supports...

Allianz Technology in Barcelona is seeking an experienced Application Support professional to ensure seamless operation of applications in the managed portfolio. You will perform updates, patches, monitor performance, and enforce security and licensing compliance. You will provide L2 support, resolve incidents, collaborate with IT teams to integrate apps,...

Merkle in Barcelona, Spain is seeking a Junior Java Software Engineer to design and implement Java backend applications using test-driven development.You will ensure code quality, participate in all development phases, and deliver business value each sprint by translating high-level requirements into technical design. The role requires collaboration,...

Merkle SL, part of dentsu, is looking for Java Developers at all levels to join our agile teams in Barcelona. This role involves designing and coding Java backend applications while focusing on code quality and participating in an Agile environment.Ideal candidates should have 1+ years of experience with Java/J2EE, a degree in Software Engineering or related...

Why this role matters JOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to detail and unmatched user experience. We’re looking for a Backend Engineer to join our established engineering hub in Spain. You’ll...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact.We've just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

En Lognext llevamos más de 18 años identificando e implementando soluciones tecnológicas prácticas que nos permitan seguir avanzando y optimizar nuestras operaciones, acompañando a los equipos con talento experto de alto rendimiento y haciendo de la tecnología una fuerza transformadora en nuestro día a día. Actualmente buscamos incorporar un/a Senior...

Estamos buscando incorporar un/a Programador/a Senior Backend con sólida experiencia en Java y Spring Boot para participar en un proyecto de larga duración. Stack y conocimientos imprescindibles: * Desarrollo y consumo de APIs REST * Spring WebFlux, mínimo 1 año de experiencia * Testing con JUnit y Mockito, tanto unitario como de integración *...

Java Senior Software Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what’s the next step? We're seeking an experienced Java Senior Software Engineer to join our Customer eXperience team in Madrid or Barcelona (Hybrid) to bring the power back to travellers. 5 brands: eDreams, GO Voyages, Opodo, Travellink, and the...

Java Senior Software Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what’s the next step? We're seeking an experienced Java Senior Software Engineer to join our Customer eXperience team in Madrid or Barcelona (Hybrid) to bring the power back to travellers. 5 brands: eDreams, GO Voyages, Opodo, Travellink, and the...

SII Group Spain busca un/a desarrollador/a Java con amplia experiencia en migraciones tecnológicas para liderar proyectos de actualización de Java y de infraestructuras de ejecución. Trabajarás en un entorno multinacional, colaborando con equipos de Plataforma y QA, para garantizar compatibilidad entre versiones y continuidad operativa. Se valorará...

New Relic is seeking a backend engineer to design, build, and operate JVM-based microservices (Java/Kotlin) powering massive telemetry pipelines and observability features. You will own services end-to-end, implement asynchronous patterns, and contribute to a scalable, resilient platform used by engineers globally. The role emphasizes strong collaboration,...

You will take ownership of a backend system that is critical to the company and our customers. You will have the opportunity to help define our roadmap and find the best technical solutions. You will also have time to run some experiments and bring new ideas to the table. Your responsibilities: Hands-on code implementation, code reviews, testing Ensure...

Back Market seeks a Senior I Engineer to join our fast-growing team in Paris. You will work across the stack, from Python backends to Vue.Js frontends, helping modernize a distributed architecture and deliver scalable, reliable products. Join an environment that values ownership, collaboration, and learning, with a hybrid policy, remote days, and...

Rain is looking for a Senior Software Engineer in EMEA. This remote position involves managing backend platform areas, including API integrations with 3rd-party vendors. The ideal candidate has at least 5 years of experience, is proficient in backend languages like Go and Python, and skilled in creating scalable, reliable systems. Responsibilities include...

Bsport is hiring for an Ops Eng engineer within the Platform Organization. You will own architecture and delivery of client onboarding and data migrations, and help scale deployments for our branded mobile apps. You’ll design internal tooling and libraries used across engineering, and drive decisions with a focus on scalability and developer experience. We...