Empleos de senior java backend engineer en Barcelona

Playtomic seeks a Senior Backend Engineer to build robust APIs and scalable services. You will own domain decisions in a pod, collaborating with product and frontend teams to ship secure, high-performance backend systems.Strong Java Spring Boot, API design, and distributed systems experience are essential, with a focus on production health and AI-assisted...

Merlin Digital Partner is seeking a Senior Software Engineer (Python) to design backend systems, cloud infrastructure and APIs powering its connected health technologies. You will work closely with Product, AI, Embedded and Frontend teams to deliver scalable, reliable software across the stack. You will own architectural decisions, build robust APIs,...

Scorp is a global mobile technology company powering monetization at scale. We seek a Software Engineer to join our Payments Team in Barcelona, building backend services for subscriptions, virtual gifting and in-app purchases, processing millions of events daily. You will work across Product, Mobile, Data and Finance to ship monetization features, improve...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform. You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability. This role emphasizes low-level engineering and robust concurrency...

TECDATA ENGINEERING busca un Senior JBoss / Java Security Remediation Engineer para un proyecto en el sector bancario. Identificar, analizar, remediar y validar vulnerabilidades en aplicaciones Java desplegadas sobre JBoss y entornos AWS, trabajando con herramientas SAST/DAST y GitHub Advanced Security. Se valorará experiencia en Checkmarx, CodeQL y...

Voodoo is seeking a senior backend engineer to design and build the server-side foundation for Castle Busters, moving from client-authoritative to server-validated gameplay. You will define APIs and player-state management, working with client engineers and game designers to deliver scalable, secure gameplay systems. You will own server-side validation for...

Description: This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a (Senior) Product Engineer (Backend) based in Spain. As a backend-focused Product Engineer, you’ll play a key role in building reliable, scalable SaaS products that directly improve the way frontline employees work....

Cognizant is seeking a Sr Quality Engineer in a hybrid work model to design robust test strategies and automation frameworks using Java and Karate, ensuring reliable enterprise applications in the travel industry. Desplácese hacia abajo para encontrar una descripción detallada de este trabajo y lo que se espera de los candidatos. Envíe su solicitud...

Grupo TECDATA Engineering busca un desarrollador backend senior para trabajar en Barcelona bajo modalidad híbrida. Se valorará experiencia en Java 8+ y Spring Boot, Kafka y microservicios, con foco en REST y MongoDB. El rol implica diseño de soluciones, estimación de esfuerzos y documentación técnica, combinando trabajo remoto y presencia en la...

Cognizant Spain is seeking a Sr Quality Engineer to design robust test strategies and automation frameworks using Java and Karate, within a hybrid work model.Asegúrese de enviar su solicitud rápidamente para maximizar sus posibilidades de ser considerado para una entrevista. Lea la descripción completa del puesto a continuación.You’ll collaborate with...

We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3 billion in assets - and we’re just getting started. We’ve been featured by MoneyWeek, Finder and Forbes, and we’re growing fast with big ambitions. About the Role We’re looking for a Senior Backend Engineer to...

Senior Frontend Architect - (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Frontend Architect to join our Architect Team in Barcelona in charge of our systems. As one of Europe's top ecommerce sites, our platform serves millions of daily transactions in 40+ countries and has very...

UST España & Latam busca un/a Java Developer Backend para colaborar con uno de sus principales clientes del sector bancario. Requisitos: experiencia backend con Java, Spring Boot, microservicios y APIs REST; conocimiento de Docker/OpenShift, Git y CI/CD; Angular para frontend y experiencia en entornos Cloud (AWS/Azure). Ofrecemos un paquete de beneficios...

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Senior Java Back End Developer centrado en el desarrollo y soporte de los componentes backend de productos internacionales de alto impacto. El rol implica desarrollo backend avanzado, despliegue en entornos cloud, análisis en fases de integración y producción, revisión de código,...

Lever, Inc. is seeking a Senior Backend Engineer – Data Core for a partner company based in Spain. You will design and run data infrastructure powering a large-scale creator data platform, handling 400M+ creator profiles across Instagram, TikTok, and YouTube. This remote-first role emphasizes autonomy, end‑to‑end ownership, and cost-efficient, reliable...

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...

Lever, Inc. is seeking a Senior Backend Software Engineer for its Future Hiring Program, based in Spain. You will join a forward-thinking engineering team delivering high-impact software for global enterprise clients across diverse industries. Working remotely within Europe, you will contribute to design, development, and deployment of scalable backend...

Abacum, the leading Business Planning solution, is hiring a Software Engineer to join our Barcelona team. You will work on a multi-disciplinary squad building a real-time calculations engine and data visualisations, collaborating with designers, product, and other engineers. We value ownership, fast learning, and a hands-on approach to shaping our technical...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

commercetools is seeking a Senior Search Engineer to join the Discovery Team to build the retrieval layer behind product discovery for leading ecommerce brands. You will enhance search across catalogs, enabling fast, cost-effective results in a scalable JVM backend. You will work on lexical, semantic, and hybrid retrieval with ElasticSearch/MongoDB,...