At least 4 years of professional experience in software development using C and C++, Solid background in Linux environments, including scripting and programming (e.g., Python, Bash), Hands-on experience with automation pipelines and build systems, including CI/CD practices, Experience working with cloud or container platforms such as OpenShift or OpenStack, Background knowledge of telecommunication systems is highly desirable, particularly within IMS (IP Multimedia Subsystem), Familiarity with telecom signalling protocols, especially SIP and Diameter, is considered a strong advantage, Residing in Poland required, Fluent Polsh and English required