Empleos de backend engineer nodejs en Barcelona

Parser is a boutique technology services and consulting firm delivering AI-enabled and data-driven solutions across Europe and the Americas. As a Senior Backend Engineer, you will own backend services powering a new conversational AI product, designing high-throughput microservices and real-time pipelines while integrating LLM-driven tool-calling...

Titan Operating System S.L. (Titan OS) in Barcelona is seeking a Senior Backend Engineer - Go to design, develop and maintain scalable backend services powering our products.You will work with front-end, DevOps and product teams to optimize performance, ensure security, and deliver robust APIs. 6+ years of backend experience, strong Go, SQL/NoSQL, and cloud...

Davidson Consulting España busca un Senior Full Stack Developer con sólidos conocimientos en Inteligencia Artificial para desarrollar e integrar soluciones de IA en entornos de producción. Trabajarás en un equipo Agile Scrum, colaborando con científicos de datos e ingenieros de IA, enfocando el desarrollo backend y la IA de extremo a extremo.Se...

Senior Backend Engineer (m/f/d), Driver Onboarding | Freenow* Navigation* Inhalt* Fußzeile* SafetyDownload the app## **YOUR DAILY ADVENTURES WILL INCLUDE:*** Own the Feature, Own the Code – feel responsible for what you create. It all starts with bringing in your feature ideas, goes over development, testing and ends in deploying your code and monitoring...

Tamarind Intelligence in Barcelona, Spain, or fully remote within a CET time window, seeks a backend engineer to own a critical production system, help shape the road‑map, and experiment with new ideas. You will work on a high‑impact product with strong ownership and cross‑team collaboration.You will implement code, review, test, and diagnose complex...

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...

Clarivate is seeking a Lead Software Engineer to join the Life Sciences team in Barcelona. You’ll design, build, and maintain scalable Java backend services within a microservices architecture for Pathfinder, a greenfield product aimed at delivering data-driven insights in life sciences.You’ll lead engineering best practices, mentor engineers, and...

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...

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...

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...

BCNC Group busca un Senior Backend Developer Java para participar desde el inicio en una nueva plataforma global orientada a optimizar procesos de logística y distribución. Diseñarás microservicios con Java 21 y Spring Boot y APIs basadas en API First.Trabajarás en un equipo ágil, influyendo en decisiones de diseño, arquitectura y evolución del...

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...

HSP Group in Barcelona is seeking a Lead Backend Engineer responsible for the technical direction of Gateway HR. The ideal candidate should have over 7 years of backend development experience and a strong technical leadership background. Responsibilities include evolving the architecture for scalability and leading external teams. This remote role offers the...

Spendesk seeks a Backend Software Engineer (IC3) to join the AI & Data Products squad in Barcelona, with a hybrid work setup. You will design, build, and operate backend services powering AI-native features, turning predictive logic into reliable product experiences and exposing them via clean APIs.You will collaborate with ML engineers and product teams to...

Preply is looking for a Senior Full Stack Engineer in Barcelona to help shape the future of our learning platform. You will balance backend focus (Python/Django) with frontend work (React/Typescript), driving data-informed product decisions and scalable architecture.You’ll mentor peers, raise engineering standards, and partner with product, data, and UX...

From initial signup to premium memberships and daily engagement, you’ll work in teams delivering innovative features that serve our customers.We are seeking a collaborative Backend Engineer to join our mission-driven team. As a vital contributor throughout the entire feature lifecycle, you will partner closely with Product Owners and Designers to translate...

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...

About the opportunityBanking Foundations domain mission for N26 is to provide secure and compliant banking services that are frictionless and innovative for customers, while enabling efficient operations and informed decision-making for our staff. We achieve this through robust customer identity verification, proactive risk management, and seamless customer...

Vortech PCI Group busca un Senior Backend Engineer especializado en .NET para un proyecto estratégico en software a nivel internacional. Se valorará experiencia en Spec-Driven Development, APIs RESTful y arquitecturas hexagonales, con fuerte enfoque en Docker, Kubernetes y entornos Cloud (Azure).El perfil requiere +6 años de experiencia en backend con...

Titan Operating System, based in Barcelona, seeks a Senior Backend Engineer - Go to design, develop, and maintain scalable backend infrastructure powering our products and services. You will ensure security, reliability, and performance while integrating cutting-edge technologies to support growing user demand.You will collaborate with cross-functional...