5G/6G Modem Software Engineer — Real-Time Embedded

Qualcomm; San Diego (CA); On-site; USD 115,000 - 172,000; Full time

Job summary

Qualcomm Technologies, Inc. is seeking an engineer to design and develop modem software powering 5G/6G connectivity across Snapdragon platforms.

You will work on protocol stack layers (L1/L2/L3), implement real-time scheduling, and craft frameworks that enable OEMs and operators to deliver differentiated 5G experiences. The role requires a strong foundation in C/C++ and real-time embedded systems, with collaboration across systems, architecture, and hardware teams.

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, Computer Engineering, or related field.
• 1–2 years of academic or industry experience in C/C++ programming.

Responsibilities

• Design, develop, debug, and optimize modem firmware/software for LTE, 5G-Advanced protocol stack layers and early 6G research prototyping.
• Develop and maintain real-time embedded software on proprietary RTOS (QuRT) with strict latency and throughput constraints.
• Collaborate with systems, architecture, and hardware teams on modem bring-up, integration, and performance optimization.
• Analyze and resolve complex field issues, interoperability problems, and network-specific behaviors using protocol logs, trace tools, and debuggers.
• Write and maintain unit tests, integration tests, and automation scripts to ensure software quality.
• Participate in code reviews, design discussions and technical documentation.

Skills

C/C++ programming

Embedded systems

RTOS

Data structures & algorithms

Wireless concepts

Education

Bachelor's degree in Computer Science/Engineering

Master's degree (preferred)

Tools

Git/Perforce

CI/CD pipelines

JTAG/Trace tools

QXDM

Job description

Qualcomm Technologies, Inc. is seeking an engineer to design and develop modem software powering 5G/6G connectivity across Snapdragon platforms.

You will work on protocol stack layers (L1/L2/L3), implement real-time scheduling, and craft frameworks that enable OEMs and operators to deliver differentiated 5G experiences. The role requires a strong foundation in C/C++ and real-time embedded systems, with collaboration across systems, architecture, and hardware teams.