Oct 2025 – Nov 2025 · 1 mo · Bengaluru, Karnataka, India · Hybrid

• Building comprehensive knowledge of the complete 5G RAN protocol stack (PHY, MAC, RLC, PDCP, SDAP, RRC, NAS) and their interactions
• Acquiring in-depth knowledge of 5G system architecture and core network functions, including service-based interfaces and network slicing principles.
• Gaining exposure to virtualized RAN architectures (vRAN, O-RAN, C-RAN) and cloud-native deployment models.
• Developing specialized understanding of Physical Layer (L1) algorithms, focusing on massive MIMO and beamforming techniques
• Learning Agile methodologies to contribute to the development of high-performance, low-latency RAN software solutions.

Oct 2024 – Nov 2025 · 1 yr 1 mo

Oct 2024 – Sep 2025 · 11 mos · Bengaluru, Karnataka, India · On-site

• Analysing the diverse internal & customer issues (VIVO, OPPO, SAMSUNG, LG,etc) that are conducted on field tests in diverse real-world environments and scenarios.
• Implementing real-time DSP 4G physical layer (PHY) firmware for Mediatek modems.
• Writing C code for DSP cores for resolving the customer performance issues as part of patch submissions.
• Optimizing key algorithms for demodulation, channel estimation, and synchronization.
• Performing extensive profiling and optimization for high performance and low latency.
• Analysing the issues of IMS testing for VoLTE and VoNR services and quality from DSP firmware pov.
• Integrating and testing firmware with RF, modem, and protocol stack components.
• Analysing and mitigating interference, link quality, and other signal processing challenges.
• Analysing and troubleshooting real-world field issues related to link stability and throughput.
• Understand the firmware development lifecycle from requirements to validation and delivery

Oct 2021 – Dec 2022 · 1 yr 2 mos

• Executing performance validation strategies for Snapdragon modems across 4G/5G PHY layer.
• Ensuring modem compliance with 3GPP standards and carrier requirements.
• Defining and analysing key performance indicators like throughput, latency, and CSI parameters.
• Familiar with PHY, MAC, RLC, PDCP, and RRC layers.
• Characterizing and optimizing modem performance across diverse radio conditions and use cases.
• Developing, executing, and maintaining automated KPI scripts and frameworks in Python and Perl.
• Conducting deep-dive log analysis using QXDM, APEX, and QCAT to root-cause performance bottlenecks.
• Conducting system-level bring-up, debugging, and issue resolution on target silicon.
• Managing chipset conformance certification by collaborating with algorithm and software teams to drive performance improvements.
• Mentoring junior engineers and driving best practices within the team

Mar 2020 – Oct 2021 · 1 yr 7 mos

May 2019 – Feb 2020 · 9 mos · Greater Chennai Area · On-site

• Designing and implementing 3GPP-compliant novel 5G NR PHY algorithms for a research testbed.
• Partnering with the IIT Madras on end-to-end integration and system validation of the 5G testbed.
• GUI development to showcase the Resource grid(RG) based on the current design config. Creating C++ reference models for algorithm performance validation.
• Implementing real-time PHY processing on Xilinx boards (containing DSPs and FPGAs)
• Conducting link-level and system-level simulations to validate performance and debugging using signal analysers and generators

Jul 2018 – Apr 2019 · 9 mos · On-site