Empleos de backend engineer nodejs en Barcelona

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, optimize...

SII Group Spain busca un/a Desarrollador/a Java Backend para unirse al equipo de Barcelona. Trabajarás en un entorno internacional, con proyectos de alto impacto y una ruta clara de crecimiento. Se exige al menos 3 años de experiencia en Java, Spring y arquitectura de microservicios.Se valora Angular para tareas de frontend y la colaboración con Product...

Clarivate is seeking a Senior Software Engineer for AI Product Development to join the Cortellis CMC team in Barcelona. This permanent full-time role involves the design and implementation of backend services, with a focus on AI capabilities and scalability. Candidates should have a Bachelor’s degree in a related field and over 5 years of experience in...

Intelligent Apps GmbH is seeking a Senior Backend Engineer (m/f/d) for Driver Onboarding to own backend features end-to-end. You will design and develop scalable services, work on distributed systems, and ensure performance through monitoring and CI/CD automation.The role requires strong Kotlin/Java skills, familiarity with Spring Boot, microservices, and...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment.Join a ambitious team building premium electric motorcycles and a scalable...

bsport is seeking a Senior Backend Engineer to join the Community & Engagement team, building backend systems powering marketing and communications for studios worldwide. You will work on agentic AI initiatives, the marketing suite, and data foundations to enhance scalability and channel integrations.You will design and evolve backend architectures,...

Dow Jones & Company, Inc. seeks a Staff Data Engineer to design and deliver scalable data platforms powering analytics and product experiences.You will balance hands-on development with technical leadership, guiding architecture, and cross-team initiatives within the Technology group. You will mentor teams, drive data quality improvements, and collaborate...

Kleinanzeigen, Germany’s leading online classifieds platform, is looking for a Backend-Heavy Full Stack Engineer to help power high-throughput services and privacy-conscious media delivery at scale. You’ll own the full development lifecycle from design to deployment in a fast, autonomous team.You’ll design and scale microservices with Java/Spring Boot,...

Intelligent Apps GmbH is seeking a Senior Backend Engineer (m/f/d) for Driver Onboarding to own backend features end-to-end. You will design and develop scalable services, work on distributed systems, and ensure performance through monitoring and CI/CD automation.The role requires strong Kotlin/Java skills, familiarity with Spring Boot, microservices, and...

afori in Barcelona is building AI-powered tools for insurance brokers. You will ship to production in weeks, owning features from idea to production. You will work closely with product and business, and over time you may lead those conversations yourself, ensuring what you build delivers real value for brokers.We hire for drive and the potential to grow...

Preply is seeking a Staff Backend Engineer in Barcelona to shape the technical roadmap for AI-enabled, media-rich learning experiences. You will own end-to-end initiatives, evolve architecture for scalable systems, and mentor senior engineers across product, engineering, and business partners globally.You will drive developer experience, lead RFCs and...

Grupo NS busca un Cloud Operations Engineer Azure & AI para diseñar y desarrollar soluciones backend y APIs escalables en Azure, integrando IA en producción. Se trabajará con IA Generativa, NLP, RAG y LLMs, automatizando infraestructura como código y pipelines CI/CD.El rol es híbrido en Barcelona, con 3 días presenciales y 2 de teletrabajo. Se...

Clarivate Analytics in Barcelona seeks a Senior Software Engineer to design and deliver AI-powered backend capabilities for the Cortellis CMC platform. You will own architecture and delivery, collaborating with distributed engineering teams to build scalable, reliable systems that power regulatory intelligence for life sciences.The role focuses on Java...

Fliff is building data-driven sports gaming platforms with real-time data pipelines and a focus on correctness, observability, and resilience. We seek a Senior Python Engineer to own core backend systems.You will work on sports data ingestion, transformation, and distribution, collaborating across squads to ensure timely, accurate data feeds and reliable...

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...

ASSA ABLOY Sicherheitstechnik GmbH is seeking a Go Backend Cloud Native Engineer for their Hospitality division. This remote position involves working closely with the R&D team to transition to microservices architecture, ensuring robust cloud-native applications.The ideal candidate will have at least 2 years of experience in a cloud-native environment, with...

Russell Bedford España busca un Ingeniero de Software con mentalidad DevOps para contribuir al desarrollo de nuestra plataforma y ayudar a construir un entorno de despliegue automatizado y escalable. Se trabajará en desarrollo backend, APIs y evolución de la arquitectura, definiendo pipelines CI/CD (GitHub Actions) y prácticas de infraestructura como...

CNT Management Consulting is a leading SAP consulting firm, offering 100% flexible working time and home office options. The role focuses on SAP ABAP backend development, ABAP OO expertise, and collaboration with SAP UI5/Fiori and BTP teams on client projects across Europe and the USA.Ideal candidates bring 5+ years of SAP ABAP experience, strong consulting...

Product Pulse is seeking a backend-focused engineer to own a core, isolated .NET system in production. You will maintain and extend a legacy codebase built on .NET Framework 4.8 while improving reliability, performance and tooling.You will collaborate with other engineering teams, diagnose complex production issues and make pragmatic decisions balancing risk...

Preply is seeking a Senior Engineer to join the Engineering Team in Barcelona to develop backend features with Python/Django, and to build integrations with third-party vendors for an AI-enabled learning platform.You will collaborate with Product, Design, Data Analytics and Engineering to deliver high-quality features through CI/CD, maintain robust testing,...