{"id":1225565,"url":"https://alion.io/job/gaura-nitai-technologies-4g5g-core-c-developer","title":"4G/5G Core C++ Developer","company":{"id":3798321,"name":"Gaura Nitai Technologies","domain":"gauranitaitech.com","url":"https://alion.io/company/gaura-nitai-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, 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C/C++\n• Strong knowledge of Data Structures, Algorithms & OOPS\n• Hands-on experience in Socket Programming – TCP/UDP, Non-blocking I/O\n• Experience with 3GPP message handling, parsing and protocol processing\n• Strong hands-on experience in 4G/5G Core Control Plane\n• Experience with MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF, UDM, AUSF, PCF, NRF\n• Strong knowledge of Diameter, SIP, GTP-C, GTP-U, PFCP, NAS/NGAP, S1AP, HTTP/2\n• Understanding of N1, N2, N3, N4, N6, S1-MME, S1-U, S5/S8 interfaces\n• Good understanding of 4G/5G Core Control Plane procedures and call flows\n• Strong networking fundamentals: TCP/IP, UDP, Routing, ARP, VLAN, Subnets, L2/L3\n• Hands-on Linux development using GCC, GDB, Make and debugging tools\n• Experience in low-level debugging, packet flows and performance optimization\n\n🔹 Responsibilities:\n• Develop software modules for 4G/5G Core Network systems\n• Implement and optimize Control Plane protocol logic\n• Work on end-to-end Control Plane call flows\n• 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