C++ Developer – 4G/5G Core Network Development

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

- Solid 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,
- 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

📌 C++ Developer (Bengaluru)
🏢 Important Business
📍 Bengaluru