.Join our TeamAbout this opportunityWe are looking for Senior Software developers in the area of 5G Core Network, with passion for building new functionalities related to 5G mobile data processing (especially, in the programming of open platform, real-time and high-availability systems).What you will doYou will work in a multi-functional team in the development of new functionalities for 5G User Plane.Participate in the full life-span of the software feature: from early phases (analyzing the solution and setting requirements), development phase (coding and testing), and final deployment on live network (supporting customer teams).Be part of a multinational organization, with teams distributed in Spain, Sweden, and China.You will bringA bachelor's, master's, or doctorate degree in computer science, telecommunication engineering, or related field.Willing to or being already proficient in programming of open-platform, real-time and high-available systems, as well as scripting.Programming in C, and at least one scripting language (i.E., python, shell/bash) on UNIX/Linux is required.Knowledge in TCP/IP Networking, and evolution transport protocols (like QUIC), data networks and IP-based applications (HTTP, HTTPS,...), Routing and Signaling.Capacity to investigate and debug complex issues, including performance tuning experience, troubleshooting, core dump analysis, etc.Cloud native software stacks and execution environments.Containers (i.E., Dockers).Knowledge in operating system architectures and capacity to model scalable designs and solutions.Good written and spoken English, confident working in international environments.Competences of extra value:Advanced Linux user and network administrator.Experience in configuration of network equipment.Knowledge in Mobile network architecture 4G/5G.Interfaces, protocols, functions C++ and/or Golang.Knowledge in Link-layer protocols: ARP, ND, BFD (Routing and L2-L4 protocols).We are seeking a talented candidate for our team willing to work in a flexible environment combining both working from home and in-office presence in Madrid (50%).Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and creativity to push the boundaries of what´s possible. To build never seen before solutions to some of the world's toughest problems. You´ll be challenged, but you won't be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation