Empleos de backend engineer nodejs en Barcelona

New Relic in Barcelona, Spain, is hiring for its APM Services team to build, improve, and maintain backend systems that power the APM product at scale. You will work on the agent lifecycle pipeline, metric ingestion, processing, and storage across millions of connections and timeslices.You will collaborate with product and experience teams, tackle complex...

BioCatch, the market leader in behavioral biometrics, seeks a Senior Backend Developer in Barcelona to join a high-scale team. You will design and implement core services and APIs for real-time traffic with strict SLA.Work on data collection, aggregation, and research for advanced fraud detection in a hybrid Barcelona setting. The role emphasizes scalable...

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...

About Lingo 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...

Aubay Spain busca un/a Backend Node.js Engineer para trabajar en Barcelona con modalidad híbrida. Deberá diseñar, desarrollar y mantener APIs y servicios backend en Node.js, siguiendo buenas prácticas y utilizando REST.El/la candidato/a gestionará consultas con ElasticSearch, bases de datos SQL/NoSQL (DynamoDB) y desarrollará funciones serverless en...

In this role you collaborate with the Tech Lead to architect and deliver new features for a secure, scalable digital banking platform. You design, build, test, deploy, and maintain software in a cloud-native environment, while mentoring peers to uphold high code quality. You’ll stay current with tech trends and share findings during Get Stuff Done Days,...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required.The candidate will work collaboratively to improve product performance and maintain robust...

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...

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...

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...

Schwarz Corporate Solutions in Barcelona is seeking an experienced Backend Engineer (m/f/d) to join our on-site IT - Development team. You will build high-quality, scalable .NET applications following SOLID and DDD principles, and own services across distributed systems.You will collaborate with developers, data analysts, QA engineers, and product teams to...

Share is hiring a Founding Software Engineer to drive the platform's payments and billing systems. You will work closely with the CTO and a dedicated team, managing critical technical domains and shipping production systems handling real transactions.We seek candidates with 7+ years of software engineering experience, mastery of TypeScript and Node.js, and a...

In this role, you’ll help build and evolve a high-scale distributed tracing pipeline that ingests, analyzes, and publishes trace data to power a fast, AI-enabled observability platform. You will collaborate with cross-functional teams to shape the product roadmap and drive architectural decisions for scalable backend services. You’ll create automation...

Preply Inc. in Barcelona is seeking a Senior II Full-Stack Engineer (back-end heavy) to join a cross-functional team.You’ll design and evolve scalable back-end systems with Python/Django while contributing to frontend in React/TypeScript, balancing immediate product needs with long-term sustainability. The role is hybrid, with about 85% back-end focus and...

TransPerfect is seeking a Software Engineer in Barcelona to join their global team. The role involves developing and maintaining software products, collaborating across teams, and mentoring junior engineers. Candidates should have a Bachelor's or Master's in a relevant field and at least 3 years of experience, with strong skills in DotNet C#, MS SQL, and...

New Relic, Inc. is seeking a backend engineer to join a JVM-focused team building and operating high-scale observability services that power engineers worldwide.You will design, implement, and operate Java/Kotlin microservices, work with Kafka, Kubernetes, and CI/CD, and own services end-to-end with a focus on reliability and performance.We value...

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,...

AI Engineer at BCG X to design, build, and deploy AI solutions, working with clients on complex challenges and contributing to thought leadership.

SCI ServiClients in Barcelona is seeking a senior QA automation engineer to design, build and own automated test coverage for a cloud-based learning platform. You will focus on backend services, API testing and contract validation.The role involves OpenAPI, OAuth2 interactions, CI/CD in GitHub Actions, and running tests in containerised environments with...

Zemsania busca un Expert Backend Engineer Node - C# para un importante cliente multinacional tecnológico en Barcelona. Trabajarás en entornos internacionales con tecnología de vanguardia, AWS, IA y metodologías Agile, con un modelo híbrido en Barcelona.Se valorará residencia en Barcelona o alrededores, viajes puntuales a París y una jornada flexible...