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...

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 biosensor signals into actionable health...

Tamarind Intelligence is seeking a Senior ERP Backend Engineer to design, build, extend, and support the Dynamics 365 FSCM ERP platform. You will implement X++ Extensions, APIs, data entities, and reporting components while ensuring upgradeability and security.You will work with the product, integration, and DevOps teams to deliver reliable, scalable backend...

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,...

Inetum Innovationes busca un Ingeniero Senior de IA para diseñar, entregar y mejorar soluciones de IA escalables que apoyen funciones clave del negocio. El rol combina ingeniería de software, arquitectura y prácticas de MLOps para producción.Trabajarás en Azure, LLMs, RAG, procesamiento de documentos y colaboración con equipos de datos, back-end y...

At THE BOARD | people & talent, a firm specialized in recruitment and talent acquisition, we are looking for a international firm of tech consultancy, aBackend Engineer Java with a good level of English:La siguiente información ofrece un resumen de las habilidades, cualidades y cualificaciones necesarias para este puesto.What are we looking for?University...

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...

Airalo is hiring a backend engineer to build and maintain scalable services for a global customer base. You will implement robust APIs, optimize database queries, and contribute to a modular, service-oriented architecture.The role requires 3-5 years in backend development with PHP, strong OOP knowledge, and experience with Laravel or Symfony. You will work...

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...

OverviewA continuación, encontrará un desglose completo de todo lo que se requiere de los posibles candidatos, así como la forma de presentar su candidatura. ¡Mucha suerte!As an AI Solutions Specialist, you design, deploy, and maintain ML and LLM-driven automations for our B2B Risk and Research workflows. You own end-to-end data science processes, from...

Glovo, parte del grupo Delivery Hero, busca un Ingeniero de Software Backend Senior para unirse al equipo Global Services de Quick-Commerce en Barcelona. Trabajarás en una plataforma de próxima generación para impulsar soluciones para el ecosistema global del grupo.Se requiere más de 5 años de experiencia en backend, dominio de Java o Kotlin, y...

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...

N26 is seeking a Senior Backend Engineer - Engagement to build scalable backend systems for the Grow & Engage domain, shaping the customer journey from signup to premium membership. You will partner with product, tech leads and designers to translate user needs into robust services powering daily engagement.The role blends hands-on development with...

About The Role Theia 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. About The Role Theia Insights builds foundational financial intelligence...

It Partner España busca ampliar su equipo de Ingeniería para evolucionar una plataforma en crecimiento, migrando a una arquitectura serverless en AWS. Diseñarás y desplegarás servicios backend y APIs escalables con Node.js y NestJS, asegurando rendimiento y escalabilidad en entornos Agile.Colaborarás y mentorizarás a otros desarrolladores, con foco en...

Migma seeks exceptional Backend Product Engineers to build infrastructure powering AI-driven email marketing from Barcelona. You will design and scale systems handling millions of emails, real-time content generation, and seamless integrations.Based in Barcelona, the role is on-site or hybrid. You will work with a small, ambitious team building a...

papernest is seeking a Senior Backend Developer with 5+ years of Python experience and deep Django knowledge to own the technical direction of the B2B platform that powers contracts for agents and clients across Europe.You will work with teams in France, Spain and Poland, shaping data models, automation of billing processes, and integration with internal and...

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...

Infotel in Spain's Barcelona area is seeking a Senior Java Backend Engineer to join our Java Development Competence Center. Reporting to the Tech Lead, you will contribute to the design and development of high-quality software solutions for international clients.You will work on Java 17/21, Spring Boot, microservices, REST APIs, Kafka, and occasional Angular...

Allianz Technology is seeking a skilled Java backend engineer to design, develop and maintain scalable microservices within the NOVA/BiPRO Firmen Kraft team. You will collaborate with Sales and BI teams to translate business needs into robust technical solutions.Join a cross-functional Agile environment, contribute to performance, security, and reliability,...