Empleos de backend engineer nodejs en Barcelona

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...

Titan OS, a Barcelona-based technology company, seeks a Senior Backend Engineer to design, build, and maintain scalable backend services powering our leading applications. You will ensure security, reliability, and performance while collaborating with cross-functional teams.Ideal candidates bring 7+ years of backend experience, strong Ruby on Rails skills,...

Build AI-powered product capabilities that automate, predict, and simplify user workflows Spendesk is looking for a Backend Software Engineer (IC3) to join our AI & Data Products squad and help build the next generation of product features powered by AI, ML, and intelligent automation. This is a hands‑on backend role focused on turning predictive models,...

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...

A technology recruitment platform is seeking a Backend Engineer to own backend systems for a crypto and self-custody platform. This role involves designing, implementing, and operating scalable backend services using Go and TypeScript, while ensuring high code quality and performance. Candidates should have experience with Kubernetes and messaging...

Allianz is seeking a Senior Solutions Engineer to join the Data and AI Transformation Engineering team in a hybrid Barcelona setup. You will design and build scalable backend platforms that expose AI and automation as reliable services, with API-driven systems deployed on Kubernetes and strong governance.The role emphasizes compliant, auditable, and...

Freenow by Lyft is seeking a Backend Engineer in Barcelona to join the Driver Engagement Team. You will shape urban mobility by building scalable services and integrating AI-assisted tooling across the development lifecycle.Work in a cross-functional team, mentor peers, and own features end-to-end. Experience with Kotlin/Java, Spring Boot, and modern backend...

Our 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, mobile, video and social...

King is seeking a versatile Software Engineer to build backend services and APIs used across multiple games. You will work on distributed systems, event-driven architectures, and data flows that connect Player Support with game and internal platforms.You’ll own features end-to-end, focusing on reliability, observability, and maintainability, while...

Amaris Consulting in Barcelona is seeking a Senior AI Engineer to design, develop and operate scalable AI solutions on Azure. You will join multidisciplinary teams to deliver secure, cloud-based backend systems and APIs in an agile environment.You will mentor teammates, collaborate with data scientists and frontend developers, and help advance Generative AI...

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...

Freenow is seeking a Backend Engineer to join the Driver Engagement Team in Barcelona. You will work with a cross-functional squad comprising Mobile and Backend Engineers, PM, Product Designer, Data Analyst, and an Engineering Manager to enhance driver engagement, QoS, and analytics.You will help build loyalty and rewards, measure performance, and deploy...

New Relic is seeking a backend engineer to design, build, and operate JVM-based microservices (Java/Kotlin) powering massive telemetry pipelines and observability features. You will own services end-to-end, implement asynchronous patterns, and contribute to a scalable, resilient platform used by engineers globally.The role emphasizes strong collaboration,...

Davidson Consulting España busca un AI Engineer para Barcelona para desarrollar y desplegar soluciones de IA en Azure, con enfoque en backend y APIs. Trabajarás en integración de modelos de IA en producción, RAG y tecnologías generativas, colaborando con Data Scientists y otros desarrolladores.Se valoran proyectos en Intelligent Document Processing...

Apply for Backend Engineer (m/f/d) at Schwarz Corporate Solutions in Barcelona, CT, ES. This Full time on site position offers great opportunities for career growth.Location Calle Bergara 13 8002 BarcelonaEmployment Area IT - DevelopmentLevel Experienced professionalsWorking Model Full-timeReference ID 48326Schwarz Digits creates the technological foundation...

We are knowmad mood!Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología.Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de...

Overview In this role you build and scale high-quality software within a security-conscious, agile environment. You own end-to-end execution—from development to running in production—and work across cross-functional teams to deliver cloud-native, microservices-based systems. You will shape architecture, align API contracts with mobile teams, and...

Overview In this role you will join a cross-functional team to deliver impactful learning experiences for tutors and learners at scale. You will shape backend and frontend engineering across Python/Django and React, drive architectural decisions, and mentor others to raise the engineering bar. You’ll apply data-driven methods to validate ideas, work with...

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...

N26 in Barcelona is seeking a Senior Backend Engineer for the Customer Risk Lifecycle team. You will collaborate with the Tech Lead to architect and deliver features for a secure, scalable digital banking platform, designing, building, testing, deploying, and maintaining services in a cloud-native environment.You will mentor peers, stay current with tech...