Senior Backend Developer - Node.jsRemote | Europe¿Es usted el solicitante adecuado para esta ocasión? Descúbralo leyendo el resumen del puesto a continuación.A fast-growing global consumer technology company is looking for a Senior Node.js Backend Developer to join its international engineering team. The organisation builds innovative real-time digital products used daily by millions of users worldwide. Their platform focuses on creativity, self-expression, and enhancing online communication experiences through advanced audio technology.The RoleAs a Senior Backend Developer, you will take ownership of server-side architecture, backend services, and data infrastructure while working closely with DevOps and product teams to scale systems globally. You’ll play a key role in designing performant, secure, and scalable backend solutions supporting real-time user interactions. Their tech stack includes:Node.js (Express)MongoDBRedisGoogle Cloud Platform (GCP)KubernetesDockerGitLab / CI/CDResponsibilities:Build and maintain scalable backend services and APIsCollaborate with product and engineering teams to design new featuresOptimise services for performance, scalability, and reliabilityImplement security and data protection best practicesDesign and manage data storage solutionsDevelop reusable backend components and librariesContribute to testing strategies including unit and E2E testingRequirements:5+ years’ experience as a Backend DeveloperStrong experience building and consuming REST APIsExperience with SQL and/or NoSQL databasesProven xiphteb ability to write clean, maintainable, and efficient codeSolid understanding of TDD, SOLID principles, and software design practicesExperience with Docker, Kubernetes, Git, and CI/CD workflowsExperience monitoring and optimising system performanceAt least B2 level English language skillsIn return, they can offer:Annual salary of €60-70kFlexible working hoursRemote working optionsRemote working allowanceLearning & language development support