A bachelor's, master's, or doctorate degree in computer science, telecommunication engineering, or a related field Proficiency or willingness to learn programming of open-platform, real-time, and highly available systems, as well as scripting Proficiency in C programming and at least one scripting language (e.g., Python, shell/bash) on UNIX/Linux Solid knowledge of TCP/IP networking, IP-based applications (e.g., HTTP, HTTPS), and security Ability to investigate and debug complex issues, including performance tuning, troubleshooting, and core dump analysis Familiarity with cloud-native software stacks and execution environments, including containers (e.g., Docker) Knowledge of operating system architectures and the ability to model scalable designs and solutions Excellent written and spoken English, with confidence in working in international environments Advanced Linux user and network administrator skills Experience in configuring network equipment Knowledge of 4G/5G mobile network architecture, interfaces, protocols, and functions Proficiency in C++ and/or Golang Understanding of link-layer protocols, such as ARP, ND, and BFD (Routing and L2-L4 protocols) Work experience in networking and security products, such as routers (including BGP/OSPF), Carrier Grade NAT, or Firewalls The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before 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 truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. DISCLAIMER: The above statements are intended to describe the general nature and level of work being performed by employees in this position. They are not an exhaustive list of all responsibilities, duties and skills required for this position, and you may be required to perform additional job tasks as assigned. Primary country and city: Spain (ES) || Madrid Job details: Developer