C Developer

Amantya Technologies; Gurugram District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Amantya Technologies seeks a skilled C++ Developer with telecom domain experience in 4G Core and 5G Core networks and Diameter protocol-based systems. You will design, develop, and optimize high-performance telecom applications for core network elements such as MME, HSS, PCRF, SMF, AMF, and UDM.

You will implement Diameter stacks, signaling flows, and real-time distributed system logic, perform performance tuning, and collaborate with architects, QA, and DevOps to ensure successful delivery and

Qualifications

• Proficient in C++ as mandatory skill.
• Strong understanding of multi-threading and memory management.
• Experience with Linux/Unix systems programming.

Responsibilities

• Design, develop, and maintain high-performance telecom applications using C/C++.
• Develop and enhance Diameter protocol stacks (Gy, Gx, Sh, S6a, Rx) and related interfaces.
• Implement call flows, session handling, and signaling logic for telecom services.
• Performance tuning, debugging, and troubleshooting of real-time distributed systems.
• Collaborate with system architects, QA, and DevOps for delivery and deployments.
• Participate in code reviews, design discussions, and architecture decisions.
• Ensure compliance with 3GPP standards and telecom protocols.
• Support integration with external network elements and vendors.

Skills

C++

Multi-threading

Memory management

STL

Linux/Unix

Diameter protocol

4G core

5G core

3GPP standards

Job description

We are looking for a skilled C++ Developer with strong telecom domain experience in 4G Core / 5G Core networks/ Diameter protocol-based systems. The candidate will be responsible for the design, development, and optimization of high-performance telecom applications used in core network elements such as MME, HSS, PCRF, SMF, AMF, UDM, etc.

Key Responsibilities

• Design, develop, and maintain high-performance telecom applications using C/C++
• Develop and enhance Diameter protocol stacks and applications (e.g., Gy, Gx, Sh, S6a, Rx interfaces)
• Implement call flows, session handling, and signaling logic for telecom services
• Performance tuning, debugging, and troubleshooting of real-time distributed systems
• Work closely with system architects, QA, and DevOps teams for delivery and deployments
• Participate in code reviews, design discussions, and architecture decisions
• Ensure compliance with 3GPP standards and telecom protocols
• Support integration with external network elements and vendors

Required Skills & Qualifications

Technical Skills

• Strong programming expertise in C++ (mandatory)
• Good understanding of multi-threading, memory management, and STL
• Hands‑on experience with Linux/Unix systems programming
• Strong experience with Diameter protocol and message flows
• Familiarity with telecom nodes such as:
  • 4G: MME, HSS, PCRF, SGW, PGW
  • 5G: AMF, SMF, UPF, UDM, PCF
• Understanding of 3GPP standards and signaling flows