EPC Developer - 4G/5G Core Network

You are a skilled and experienced EPC Developer being sought to join the product engineering team focusing on constructing a high-performance, standards-compliant 4G/5G core network stack. Your role will involve contributing to the development of indigenous telecom technology, aiming to provide reliable and scalable LTE/5G connectivity. Your primary responsibilities will include designing, developing, and maintaining core network elements such as MME, SGW, PGW, and PCRF. You will also be tasked with developing and testing 3GPP LTE EPC / 5G NSA protocol stacks and components, optimizing signaling and data paths for high performance and low latency, conducting integration and interoperability testing with RAN and IMS systems, as well as troubleshooting network issues and implementing bug fixes effectively. To excel in this role, you must possess strong programming skills in C/C++ with expertise in multithreading. A deep understanding of protocols such as TCP/IP, UDP, SCTP, GTP, IPC, SIP, RTP, and Diameter is essential. Proficiency in socket programming and network debugging is required, along with a sound knowledge of 3GPP LTE/5G NSA architecture and end-to-end call flows. Preferred skills for this position include experience in the Telecom domain, particularly with 4G and 5G Core technologies, and familiarity with integration across EPC and IMS domains.,