> Markdown version of [/jobs/ext/4593225-software-developers](https://www.wearedevelopers.com/jobs/ext/4593225-software-developers). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software developers - **Company:** Ericsson - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** 4G (Telecommunication), Bash Shell, C++ (Programming Language), Cloud Engineering, Computer Programming, Computer Networks, Software Debugging, Linux, Networking Hardware, Python (Programming Language), Routing, Performance Tuning, Transmission Control Protocol (TCP), Wireless Networks, Scripting, Information Technology, Transport Protocols, Mobile Data, Golang - **Published:** November 6, 2026 - **Apply:** https://www.adzuna.es/details/5954152447 ## About the Role * A bachelor's or master's 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. * 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). * Good written and spoken English, confident working in international environments., * Knowledge in operating system architectures and capacity to model scalable designs and solutions. * Knowledge in TCP/IP Networking, and evolution transport protocols (like QUIC), data networks and IP-based applications (HTTP, HTTPS, ...), Routing and Signaling. * Knowledge as a 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. 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%). ## Description We are looking for Junior Software developers in the area of 5G Core Network, with passion for building new functionalities related with 5G mobile data processing (especially, in the programming of open platform, real time and high-availability systems). What you will do * You will work in a multi-functional team in the development of new functionalities for 5G User Plane. * Participate 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.