L1 Developer

About the Company

This leading Indian company is recognized among the top in the country. More details can be found on their official website.

Job Overview

The role focuses on designing and implementing LTE/NR physical layer algorithms and procedures, leading high-performance teams, optimizing layer 1 performance, interfacing across subsystems, and managing large-scale 4G/5G L1 product initiatives including customer support.

Key Responsibilities

• Develop LTE/NR PHY algorithms and procedures from design to implementation.
• Guide and mentor teams to achieve excellence in high-performance L1 development.
• Optimize layer 1 for improved latency, throughput, and resource utilization (CPU, DSP, GPU, FPGA).
• Coordinate interfaces with Radio/RF, Layer 2, and fronthaul components.
• Troubleshoot PHY issues utilizing logs, IQ captures, and laboratory equipment.
• Lead large-scale 4G/5G L1 product development, maintenance, and support programs including various eNodeB/gNodeB variants and deployment architectures such as vRAN, ORAN, and custom solutions.
• Communicate effectively with senior internal and external stakeholders.

Qualifications & Expertise

• 2 to 8 years of professional experience in relevant domains.
• Deep knowledge of LTE/NR physical layer, DSP, RF, and antenna technologies.
• Strong understanding of modulation and coding techniques including FEC, LDPC, Turbo decoding, MIMO, beamforming, complex I/Q sample processing, FFT/IFFT, channel estimation, and equalization.
• Proficiency in C/C++ and MATLAB with experience in real-time embedded system development.
• Hands-on experience with FPGA, ASIC, and GPU programming.
• Familiarity with fronthaul protocols such as CPRI and eCPRI and L1 acceleration.
• Expertise in PHY/RF software development and previous involvement in 4G/5G L1 program delivery.

Eligibility

Candidates holding a B.Tech or B.E. degree in any specialization are eligible to apply.