Empleos de backend engineer nodejs en Barcelona

BarcelonaTech & Data – Backend /Full-time /RemoteOur mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools.Si le interesa solicitar este empleo, por favor, asegúrese de cumplir los siguientes requisitos que se enumeran a...

AUBAY selecciona un/a Backend Engineer (Node.js) con AWS para Barcelona, con un enfoque en desarrollo y mantenimiento de aplicaciones backend y APIs REST. Se trabajará en un entorno híbrido, con 3 días remotos y 2 presenciales a la semana, en un equipo internacional.Se valorará dominio de Node.js, TypeScript, DynamoDB, SQL y Elasticsearch; Jest para...

DescriptionAbout the roleTheia Insights builds foundational financial intelligence products, including industry classification, knowledge graphs and factor risk models, for institutional investors. We serve some of the largest asset managers, hedge funds, index providers and sell-side banks.As an engineer on the Platform team you'll productise our data and...

Lingo in Barcelona seeks a Senior Software Engineer (Backend) to design, build, and optimize backend systems handling real-time biosensor data. You will develop scalable microservices, APIs, and event-driven integrations across cloud deployments, collaborating with Product, Platform/SRE, and Data/ML teams.You will mentor junior engineers, participate in...

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,...

Cala AI, based in Barcelona, seeks an experienced Backend Engineer to own end-to-end backend systems powering AI-driven verification at scale. You will develop services in Python (FastAPI), design data stores across SQL/NoSQL, and scale pipelines in a fast-moving startup.Hybrid in Barcelona (Gran Via office, 3 days/week). Stock options and flexible benefits...

Davidson Consulting España busca un/a AI Engineer para un proyecto de Inteligencia Artificial en Barcelona, orientado al desarrollo backend y APIs sobre Microsoft Azure. Integrar modelos de IA en producción, soluciones basadas en IA Generativa, LLMs y RAG, y colaborar con Data Scientists y desarrolladores para entregar soluciones escalables.La posición...

Wikiloc busca un/a Backend Java Engineer per unir-se a l’equip. Treballaràs cercant rendiment, escalabilitat i robustesa en la plataforma de navegació i enregistrament d’activitats a l’aire lliure.Tu seràs clau en decisions tecnològiques i en l’evolució de l’arquitectura per a milions d’usuaris globals. Busquen una persona amb més de 5 anys...

Sage is looking for a Backend Developer to join our HCM Localisation engineering team in Barcelona. This hybrid role will focus on building scalable backend services with Scala 2.13 and Play Framework, optimizing performance and supporting complex product workflows.The ideal candidate will have strong experience with relational databases, AWS services, and...

Clarivate Analytics seeks a Lead Software Engineer¿Tiene las siguientes habilidades, experiencia e impulso para tener éxito en este puesto? Descúbralo a continuación.- AI Product development in Barcelona to build scalable AI-powered software using Python, cloud platforms, and LLM-based applications.You will join a small, skilled team reporting to the...

Preply Inc.¿Es usted el candidato adecuado para esta oportunidad? Asegúrese de leer la descripción completa a continuación.is seeking a Staff Engineer in Barcelona to shape technical strategy and own architecture for scalable AI-enabled learning systems.You will drive cross-team initiatives with Engineering and Product leadership and raise the bar for...

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,...

Schwarz Corporate Solutions in Barcelona is seeking an experienced Backend Engineer (m/f/d) to join our on-site ITEs posible que un gran número de candidatos se presenten a este puesto, así que asegúrese de enviar su CV y su solicitud lo antes posible.- Development team.You will build high-quality, scalable .NET applications following SOLID and DDD...

BETWEEN Group busca un/a Backend SW Engineer especializado/a en Golang para integrarse a un equipo en Sant Cugat del Vallès, Barcelona. Ofrecen contrato indefinido y modalidad híbrida (2 días/semana) en una empresa con presencia internacional. Responsabilidades clave: desarrollar APIs, diseñar arquitecturas backend escalables, implementar CI/CD y...

Clarivate Analytics seeks a Lead Software Engineer – AI Product Development (Data) to shape AI-powered product platforms and build reliable backend services and data pipelines. You will drive AI-enabled capabilities within the LS&H Innovation group, guiding technical direction from concept to production in a fast-paced, cross-functional team.You will...

Job Description:About the TeamOur Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our customers, readers and users. From revolutionizing visuals to optimizing tools and harnessing the power of data,...

Marfeel is looking for a Backend Engineer to join their team in Barcelona. You will design and maintain backend services, utilizing Node.js and various databases while ensuring high performance and scalability of applications. The ideal candidate will have over 5 years of experience with a solid understanding of API design and cloud deployments. Benefits...

Role Description This full-time Vibe Engineer — Full-Stack / Backend Developer role at IAG Services is based in Barcelona in a hybrid setup, combining on-site collaboration with flexible work-from-home days. The role focuses on designing, building, and maintaining scalable backend services and full-stack features that support internal tools, client-facing...

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,...

Backend Java Engineer (Global Fashion Retail)Referencia: #52724Localización: Barcelona Buscas un reto donde tu código impacte a millones de usuarios en todo el mundo? Únete al equipo de ingeniería de uno de los grupos multinacionales más influyentes del sector moda. Estamos transformando nuestra infraestructura para soportar un ecosistema digital de...