Telefonica CDO-Novumis seeking talented engineers to join our Engineering team. The challenges faced every day inextending and improving the Telefonica user experiencerequire vast knowledge in how to produce highly maintainable and extensible object-oriented code. Our engineers must feel the need to build a product that works fast and flawlessly, be passionate about eliminating any problems as soon as they are discovered, and take pride in doing so.TheCDO-Novumgroup builds and operates the main application for Telefónica customers worldwide reaching more than 30 million active users. We work to build new and innovative products and to ease the access to all the services that Telefónica offers.MISSIONOur mission is to guide our customers along their lifecycle, by being the center of the digital relationship with Telefónica.MAIN DUTIES & RESPONSIBILITIESDevelop and maintain software components in the language most appropriateto the problem. The main languages in use areJava/Kotlin, but there are multiple other ones.High-quality design of product and infrastructure componentsfor maintainability, robustness and scalability.Optimize application performance, with respect to CPU utilization, network traffic, data storage size, response time, and concurrency.Writing and maintaining effective automated test suitesfor delivered components.Analyze and eliminate security vulnerabilities, and bottlenecksin system performance.Working together with Site Reliability Engineers to deploy components and monitor them.Debug issueson the web and mobile websites, based on user reports.New featuresrequisites understanding to design a solution to cover them.EDUCATION REQUIREDSPECIFIC SKILLSExtensive knowledge ofobject-oriented programmingandsoftware architecture(preferablyJava/Kotlin, other OOO languages are acceptable).Experiencesolving challenging performance problems, preferably related to web applications and distributed architectures based on microservices.Experience deploying services and software in areal production environments .Strong will to adhere tobest practices in OO developmentand a need to leave well-structured code in your tracks.Knowledge ofrelational databases (MySQL)and other approaches to data management, particularly performance aspects.Strong analytical and problem-solving skills.TECHNICAL KNOWLEDGENice to have:Automated build tools : Maven, Docker, and Kubernetes.Tools : Git; metrics and log tools such as Graphite, Prometheus, Grafana, and Kibana.PROFESSIONAL EXPERIENCE1+ years of experienceLANGUAGESEnglish (professional competence)#SomosDiversos#J-18808-Ljbffr