Summary
Overview
Work History
Education
Skills
Disclaimer
Languages
Personal Information
Timeline
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Sathish Gurrala

Hyderabad

Summary

Telecom software professional with 7 years of experience in 4G/5G protocol stack development, specializing in Layer-2 (MAC, RLC, PDCP) design, feature enhancement, and system optimization. Proven track record in DU development for 5G networks with hands-on expertise in debugging, real-time log analysis, and performance tuning. Known for delivering stable, scalable features under aggressive timelines across multiple telecom platforms.

Overview

7
7
years of professional experience

Work History

Senior Software Engineer

Radisys India Pvt. Ltd.
Bangalore
07.2023 - Current
  • Working on vRAN product(Dens-Air, Airspan)
  • Designed and implemented CoMP (Coordinated Multi-Point) feature for 5G DU.
  • Developed and integrated Performance Monitoring (PM) counters.
  • Conducted buffer organization and BSR at MAC scheduler to improve data handling efficiency.
  • Led real-time log analysis and resolved DU (MAC, RLC) bugs to improve stability.
  • Addressed critical Fsanitizer issues, enhancing code quality and memory safety.

Software Engineer

Nokia
Bangalore
04.2021 - 07.2023
  • worked on MAC packet scheduler at eNB.
  • Achieved 30% UE buffer optimization (~130 MB) at MAC Packet Scheduler.
  • Collaborated with customer teams for log analysis and live network issue resolution (AT&T, Airtel, etc.)..
  • Drafted and reviewed Functional Specification Documents for Layer-2 features.

Design Modem Engineer II

Alif Semiconductor (Mymo Wireless)
Bangalore
01.2018 - 04.2021
  • Worked at UE modem layer 2 (in-house project).
  • Implemented MAC features, including BSR, logical channel prioritization, and scheduling.
  • Enhanced uplink cycle count (~50% for CatNB, ~40% for CatM), and downlink (~25%).
  • Developed efficient segmentation and concatenation for L2 PDUs and SDUs.
  • Debugged interoperability issues with R&S and Amarisoft eNodeBs.
  • Designed a Layer-2 UE test framework for host-based simulation.

Education

Bachelor of Technology (B.Tech) - Electronics & Instrumentation Engineering

VNR Vignana Jyothi Institute of Engineering & Technology
01.2016

Skills

  • C, C, Python programming
  • Data structures and algorithms
  • Linux and Unix systems
  • Debugging tools (GDB, Valgrind, fsanitizer)
  • Platform: Kubernetes, Docker,
    Linux,Windows
  • RTOS, SPI, i2c, UART
  • Integrated development environments (Eclipse, Visual Studio)
  • Network analysis (Wireshark)
  • Networking – 3GPP, 5G_NR, LTE,
    layer2Protocol, TCP/IP, SIP

Disclaimer

I hereby declare that the information provided above is true and accurate to the best of my knowledge.

Languages

  • Telugu
  • English
  • Hindi

Personal Information

  • Date of Birth: 06/28/94
  • Marital Status: Married

Timeline

Senior Software Engineer

Radisys India Pvt. Ltd.
07.2023 - Current

Software Engineer

Nokia
04.2021 - 07.2023

Design Modem Engineer II

Alif Semiconductor (Mymo Wireless)
01.2018 - 04.2021

Bachelor of Technology (B.Tech) - Electronics & Instrumentation Engineering

VNR Vignana Jyothi Institute of Engineering & Technology

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