Open5GS Developer

Job Description:

We are looking for an experienced Open5GS Developer to join our team. The ideal candidate will have hands-on experience in modifying, updating, and writing code for Open5GS. They should be well-versed in 5G core network architecture, protocol development, and optimizing Open5GS functionalities to meet specific project requirements.

Key Responsibilities:

• Develop, modify, and enhance Open5GS source code to improve performance and functionality.
• Implement updates and patches to the Open5GS core network components (AMF, SMF, UPF, etc.).
• Debug and troubleshoot issues in the Open5GS stack and contribute to stability improvements.
• Optimize network elements for performance, scalability, and reliability.
• Integrate Open5GS with external components such as gNB, UE simulators, and data networks.
• Work with networking technologies like GTP-U, PFCP, and SCTP for efficient packet handling.
• Collaborate with cross-functional teams to ensure seamless integration and deployment.
• Document changes, maintain version control, and contribute to Open5GS community discussions if required.

Required Skills & Experience:

• Strong experience with Open5GS development, source code modifications, and network optimization.
• Proficiency in C programming (mandatory) and experience with scripting languages like Python or Bash.
• In-depth knowledge of 5G/4G core network architecture and protocols (NGAP, GTP, PFCP, etc.).
• Experience working with Linux systems, networking (iptables, routing), and kernel-level optimizations.
• Hands-on experience with containerized deployments (Docker, Kubernetes) is a plus.
• Familiarity with DPDK, SR-IOV, or other packet acceleration technologies is a bonus.
• Strong debugging and troubleshooting skills using tools like Wireshark, tcpdump, and gdb.

Preferred Qualifications:

• Experience with related open-source projects (srsRAN, Free5GC, etc.).
• Knowledge of networking, 5G call flow and/or neutral host.
• Experience with Continuous Integration (CI/CD) and version control (Git)