hirly

Apply with hirly

4G/5G Core C++ Developer

Gaura Nitai Technologies · Bangalore, Karnataka, India

Upload your resume to see how well you match this job — free, in seconds, no account needed.

Your resume is used only to score it against this job. If you don't create an account, it is deleted within 24 hours.

We are actively looking for experienced C++ Developers with strong hands-on experience in 4G/5G Core Network development, particularly Control Plane and Network Programming. ⚡ Immediate Joiners are highly preferred. Key Requirements:

  • Strong programming skills in C/C++
  • Strong knowledge of Data Structures, Algorithms & OOPS
  • Hands-on experience in Socket Programming – TCP/UDP, Non-blocking I/O
  • Experience with 3GPP message handling, parsing and protocol processing
  • Strong hands-on experience in 4G/5G Core Control Plane
  • Experience with MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF, UDM, AUSF, PCF, NRF
  • Strong knowledge of Diameter, SIP, GTP-C, GTP-U, PFCP, NAS/NGAP, S1AP, HTTP/2
  • Understanding of N1, N2, N3, N4, N6, S1-MME, S1-U, S5/S8 interfaces
  • Good understanding of 4G/5G Core Control Plane procedures and call flows
  • Strong networking fundamentals: TCP/IP, UDP, Routing, ARP, VLAN, Subnets, L2/L3
  • Hands-on Linux development using GCC, GDB, Make and debugging tools
  • Experience in low-level debugging, packet flows and performance optimization Responsibilities:
  • Develop software modules for 4G/5G Core Network systems
  • Implement and optimize Control Plane protocol logic
  • Work on end-to-end Control Plane call flows
  • Debug low-level issues in Control Plane packet flows and system behaviour
  • Collaborate with QA/DevOps for network component integration Priority: Candidates who can join immediately / within a short notice period. Please ensure the profiles have hands-on 4G/5G Core Networking + Control Plane experience, along with relevant C/C++ development experience Skills:- C++, Socket Programming, TCP/IP & UDP, Non-Blocking I/O, Performance Optimization, LTE, 4G/5G Core Network, Network Security, Core Data, Control Plane, 3GPP, Telecom Protocol Development, Network programming, DIAMETER, GTP-C, GTP-U, MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF, UDM, AUSF, PCF, NRF, N1, S5/S8, L2/L3 Networking and Telecom Protocols