Technical Lead, Stack

Parallelwireless; Bengaluru; On-site; INR 4,000,000 - 6,000,000; Full time

Job summary

Parallel Wireless in Bengaluru, India seeks an experienced stack software developer to own the full development of L2/L3 embedded protocol stack for 4G/5G products.

The role requires deep knowledge of 3GPP RAN and O-RAN, strong C/C++ and Linux, and hands-on debugging with tools like GDB, QXDM, TM500, QCAT; 8–10 years of experience is expected.

Qualifications

• Strong expertise in 3GPP RAN and O-RAN specifications and functionality.
• Hands-on development of LTE/NR embedded protocol stacks compliant with 3GPP.
• Proficiency in C/C++ and Linux with debugging experience in Linux environments.
• Experience in log analysis and troubleshooting for telecom devices.

Responsibilities

• Own the full development process of L2/L3 embedded protocol stack including design, coding, unit testing, debugging, and integration.
• Develop new features for Parallel Wireless future products and debug existing solutions used by customers worldwide.

Skills

End-to-end 4G/5G architecture

3GPP RAN & O-RAN specs

LTE/NR protocol stacks (E-UTRA, MAC, R

C/C++ programming

Linux OS

Linux debugging (GDB/QXDM/QCAT)

Log analysis

8-10 years experience

AI/ML in RAN context

Ethernet/TCP/IP/UDP interfaces

Tools

GDB

QXDM

TM500

QCAT

Git

Job description

Qualifications & required skills-

• Understanding of end-to-end solutions for 4G/5G network architecture.
• Familiar with 3GPP RAN and O-RAN specifications and functionality.
• Development experience on Cellular Radio products complying with 3GPP specifications for E-UTRA (LTE) and NR.
• Familiar with communication interfaces: Ethernet / TCP/IP / UDP.
• Good knowledge of RAN protocols and interfaces:
  • LTE/5G AS protocol layers — PHY, MAC, RLC, PDCP, RRC.
  • Expert-level proficiency in the MAC and RLC layers is required
• Knowledge of AI/ML concepts and their application to RAN (e.g., network optimization, ML frameworks); hands-on experience applying AI/ML in a telecom/RAN context is a strong plus.
  
  • Excellent log analysis and debugging skills.
  • Must be strong in C/C++ programming and Linux OS.
  • Hands-on experience debugging in a Linux environment with tools like GDB, QXDM, TM500, QCAT, etc.
  • 8 - 10 years of work experience.

• Good to Have / Advantageous

  • Experience with Git.
  • Knowledge of the O-RAN E3 interface and dApp development.

• You will be responsible for the full development process of L2/L3 embedded protocol stack including design, coding, unit testing, debugging, and integration.
• As a stack SW developer, you will develop new features/environment for Parallel Wireless future products and debug existing solutions which are used by our customers around the world.