Experience - 8 to 13 Years

Location - Bangalore / Chennai

Job Summary

We are seeking an experienced FAPI L1/L2 UE Simulator Developer with solid expertise in 5G NR/LTE protocol stack development, particularly in PHY (Layer 1) and MAC (Layer 2) domains. The ideal candidate will have hands-on experience in developing and integrating UE simulators, working with SCF FAPI specifications, and implementing PHY-MAC interfaces for wireless communication systems.

Responsibilities
Design, develop, and enhance UE Simulator solutions for 5G NR and LTE networks.
Develop and maintain software modules for Layer 1 (PHY) and Layer 2 (MAC) functionalities.
Implement and integrate SCF FAPI-compliant interfaces between PHY and MAC layers.
Work on nFAPI (P5/P7) interfaces and ensure seamless communication between network components.
Analyze, troubleshoot, and optimize protocol stack performance.
Participate in feature development,



debugging, validation, and system integration activities.
Collaborate with cross-functional teams including protocol, system, and test engineering teams.
Support interoperability testing, protocol validation, and performance optimization.
Contribute to architecture discussions and technical reviews.

Required Skills & Experience

Core Technical Skills
Solid programming expertise in C++.
Hands-on experience with Linux and operating system concepts.
Valuable understanding of software development lifecycle and debugging tools.
Experience in Layer 1 (PHY) and Layer 2 (MAC) protocol development.
Bachelor's Degree or higher in Telecommunications, Electronics Engineering, Computer Science, or a related field.

📌 Wireless Developers Layer 1 Phy /layer 2 Mac Fapi Bengaluru
🏢 Tata Elxsi
📍 Bengaluru