Empleos de backend engineer nodejs en Barcelona

UST, a multinational technology services company, seeks a Senior Backend Spark Developer (Remote from Spain) to design and optimize data-processing solutions within the Client Contribution platform. You will build scalable Big Data pipelines, lead architectural decisions, and collaborate with multiple teams to ensure performance and reliability.The role...

Tamarind Intelligence is seeking a Backend Engineer to join its core engineering team in a hybrid role based in Barcelona. You will design, build, and scale backend services using Python and FastAPI, while shaping data storage and processing across SQL/NoSQL systems. You’ll work with AWS, Kubernetes, and emerging AI tooling to push the boundaries of our...

THE BOARD | people & talent is seeking an experienced Backend Engineer (Java) for a leading tech consultancy client in Madrid. The role requires 5+ years in Java, Spring Boot, and microservices, with Kotlin/Go and AWS experience. Interviews will be in English; a permanent contract isoffered with a hybrid work model.The position offers a 38-hour week,...

Sngular busca profesional para diseñar, mantener y escalar servicios con altos estándares de calidad en una organización tecnológica. Colaborarás con equipos multidisciplinares para impactar positivamente el negocio mediante ingeniería de software avanzada.Te ofrecemos proyectos con tecnologías punteras, crecimiento profesional y un Wellbeing Pack...

En Akuaro, te incorporarás a un equipo técnico para diseñar y mantener servicios backend en Java dentro de plataformas de conectividad para turismo. Trabajarás en un entorno híbrido con foco en calidad, escalabilidad y resiliencia, colaborando con producto, negocio y QA para entregar soluciones robustas en entornos exigentes. Serás clave para optimizar...

BCNC Group busca un/a Senior Backend Developer Java para liderar el desarrollo de una plataforma logística global desde cero. Participarás en decisiones de diseño y arquitectura, trabajando en un entorno ágil con perfiles backend, frontend y producto, para entregar soluciones escalables y de alto rendimiento.El candidato ideal tiene experiencia en Java...

Fledge in Barcelona is seeking a skilled software engineer to join a boutique search firm bridging consulting and Talent search services. You’ll work on a cross‑functional product used by a growing European tech scale‑up, applying Domain‑Driven Design to deliver real value.You will contribute to a scalable stack (Kotlin/Java, Spring Boot, Kafka, AWS)...

Macadam is seeking a Senior Backend Developer to own the server-side infrastructure powering our app for millions of walkers. You will design robust APIs, optimize data models, and implement caching to ensure performance at scale. The role is based in Barcelona, with a hybrid culture and strong collaboration with mobile, product, and data teams. We value 6+...

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,...

MediaMarktSaturn Technology seeks a platform engineer to build and operate our cloud-native infrastructure. You will manage Kubernetes in GCP, implement IaC with Terraform and Flux, and improve CI/CD pipelines with GitHub Actions.You’ll focus on observability using Prometheus and Grafana and contribute to backend development with TypeScript/Node.Js,...

BETWEEN Group busca un Backend Developer (Node.js/NestJS) para unirse a un equipo internacional líder; modalidad Full Remote desde España. Se trabajará en proyectos de BI, IoT, Big Data e I+D, con enfoque en rendimiento y seguridad de servicios backend.Requisitos: 4–5 años en desarrollo backend con Node.js; experiencia en NestJS, TypeScript y...

ERNI ищет опытного backend-разработчика в Барселоне для разработки и поддержки .NET-решений моделирования в диагностических рабочих процессах и лабораторной среде.Кандидат будет работать над...

A leading technology recruitment firm is looking for a Python Developer in Barcelona to build scalable backend systems utilizing Python and Flask. The ideal candidate has over 3 years of experience in Python programming and hands-on experience with Flask. They offer a flexible, remote-friendly work culture, career growth opportunities, and work on projects...

Rover is seeking a senior backend engineer to own the Booking Experience backend in Barcelona. You will work with seven full-stack engineers, focusing on fast, intuitive booking flows and safe, scalable systems.You’ll collaborate with product, design, and data science teams to ship features, mentor peers, and apply AI tools to improve code quality and...

OverviewWe are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote).This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies.ResponsibilitiesBuild and optimize...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap.¿Le interesa este puesto? Puede encontrar toda la información relevante en la descripción a continuación.You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with...

Hitachi Energy Spain is seeking a skilled .NET Backend Developer to design, develop, and maintain robust backend services and APIs in support of critical applications.You will collaborate with frontend, product managers and stakeholders, implement RESTful APIs and microservices, and work with SQL Server / PostgreSQL.Aunque la experiencia profesional y las...

Davidson Consulting España busca un AI Engineer para Barcelona para desarrollar y desplegar soluciones de IA en Azure, con enfoque en backend y APIs.¿Tiene lo que se necesita para triunfar? La siguiente información debe ser leída atentamente por todos los candidatos.Trabajarás en integración de modelos de IA en producción, RAG y tecnologías...

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...

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...