BACKEND DEVELOPER DETALLES DEL PUESTO | TELEFÓNICA

AREA DESCRIPTION Telefonica CDO-Novum is seeking talented engineers to join our Engineering team.
The challenges faced every day in extending and improving the Telefonica user experience require 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.
The CDO-Novum group 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.
MISSION Our mission is to guide our customers along their lifecycle, by being the center of the digital relationship with Telefónica MAIN DUTIES & RESPONSIBILITIES Develop and maintain software components in the language most appropriate to the problem.
The main languages in use are Java/Kotlin, but there are multiple other ones.
High-quality design of product and infrastructure components for 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 suites for delivered components.
Analyze and eliminate security vulnerabilities, and bottlenecks in system performance.
Working together with Site Reliability Engineers to deploy components and monitor them.
Debug issues on the web and mobile websites, based on user reports.
New features requisites understanding to design a solution to cover them.
EDUCATION REQUIRED Computer Science, Telecommunication Engineer, etc.
SPECIFIC SKILLS Extensive knowledge of object-oriented programming and software architecture (preferably Java/Kotlin, other OOO languages are acceptable).
Experience solving challenging performance problems, preferably related to web applications and distributed architectures based on microservices.
Experience deploying services and software in a real production enviroments.
Strong will to adhere to best practices in OO development and a need to leave well-structured code in your tracks.
Knowledge of relational databases (MySQL) and other approaches to data management, particularly performance aspects.
Strong analytical and problem-solving skills.
Mobile and Javascript development experience is a plus.
TECHNICAL KNOWLEDGE Nice to have.
Backend.
Java & Kotlin, Resilience4j, Spring Boot,  Dependency injection systems Automated build tools.
Maven, Docker and Kubernetes Tools.
Git; metrics and log tools as Graphite, Prometeus, Grafana and Kibana PROFESSIONAL EXPERIENCE 1+ years of experience        LANGUAGES English (professional competence)     Cuando te unes a Telefónica Te unes a casi 100 años de historia, un equipo de 106 nacionalidades presentes en más de 35 países.
Te unes a un equipo que trabaja por conectar a las personas allá dónde estén, sin fronteras.
Un equipo que está liderando la revolución digital con la ilusión del primer día en todos nuestros negocios, creando el mejor ecosistema digital para nuestros clientes.
Red, IoT, Cloud, Ciberseguridad, Innovación etc.
En Telefónica tienes todo lo que necesitas para crear la mejor versión de ti mismo.
Necesitamos gente como tú que se sume a este gran reto, que quiera crear la Telefónica del mañana.
En Telefónica apostamos por las nuevas formas de trabajo y somos líderes en la implementación de la Desconexión Digital bajo el principio “Desconecta para Reconectar”.
Te unes a una compañía cuya actividad se rige por su código ético, Nuestros Principios de Negocio Responsable.
Buscamos personas que se identifiquen con los mismos, que nos ayuden a tomar decisiones basadas en la integridad, el compromiso y la transparencia y que se comprometan con una gestión ética, promoviendo un desarrollo social y ambiental más justo y sostenible.
#SomosDiversos Estamos convencidos de que los equipos diversos e inclusivos son más innovadores, transformadores y consiguen mejores resultados.
Por ello promovemos y garantizamos la inclusión de todas las personas sin importar género, edad, orientación e identidad sexual, cultura, discapacidad o cualquier otra condición personal.