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4G/5G Core C++ Developer
4G/5G Core C++ Developer

4G/5G Core C++ Developer at Gaura Nitai Technologies · Bengaluru (Bangalore) · 2 - 12 years · ₹6L - ₹25L / yr · Posted 24 Sep 2026

Gaura Nitai Technologies's logo

4G/5G Core C++ Developer

Gaura Nitai Tech (GNT)'s profile picture
Posted by Gaura Nitai Tech (GNT)
2 - 12 yrs
₹6L - ₹25L / yr
Bengaluru (Bangalore)
Skills
skill iconC++
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
Telecom Protocols

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

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Shubham Vishwakarma

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