Software Engineer (San Diego, Boulder)

QUALCOMM, Inc.; San Diego (CA); On-site; USD 109,000 - 164,000; Full time

Job summary

Qualcomm Technologies, Inc. in San Diego seeks a software engineer for the Wireless R&D group to help develop and verify 5G/6G wireless systems.

You will contribute to a Linux-based, multi-threaded C++ service enabling advanced radio access networks. The role involves owning RAN Layer 2 responsibilities, driving 5G/6G feature development from spec to commercialization, and designing high-performance schedulers and data paths while interfacing with RRC and PHY components.

Qualifications

• 2+ years of SW design and development with C++ or strong C with OO concepts.
• Experience in Linux environment and multi-core, multi-threaded programming.
• Familiarity with 3GPP 4G/5G specs and translating them to requirements.

Responsibilities

• Own 5G/6G RAN Layer 2 responsibilities (MAC, RLC, PDCP, SDAP).
• Drive 3GPP 5G/6G feature development from spec through commercialization.
• Design and develop L2 functionality including DL/UL config, data-plane, call flows.
• Implement and optimize fixed/dynamic DL/UL schedulers and data-plane paths.
• Interface with NodeB Layer 3 (RRC) and Layer 1 (PHY).
• Develop real-time-sensitive, multi-core, multi-threaded software for NodeB.
• Debug, profile, and optimize for latency, throughput, and reliability.

Skills

C++

Linux

Multi-threading

Communication

Analytical thinking

Education

Bachelor's degree in Computer Science or Electrical Engineering

Tools

Git

GDB

IDEs/Build systems

Job description

Company:

Qualcomm Technologies, Inc.

Job Area:

Engineering Group, Engineering Group > Cellular Technologies Software

General Summary:

The Wireless R&D group is focused on developing a Test Base Station (TBS) for verification of QCT mobile chipset functionality. We are seeking a software engineer for an exciting opportunity to collaborate in the implementation and verification of complex wireless systems. The successful candidate will be part of a diverse, experienced team developing cutting edge features for 5G and 6G wireless technologies for the 5G/6G TBS product. Sophisticated multi-thread software is written in C++ and implemented as a Linux service. Fast paced development is supported by Continuous Integration processes and systems.

Minimum Qualifications:

• Bachelor's degree in Computer Science, Electrical Engineering, or related field.

Responsibilities

• Own 5G/6G Radio Access Network (RAN) Layer 2 (MAC, RLC, PDCP, SDAP) responsibilities
• Drive 3GPP 5G/6G feature development from specification through commercialization
• Design and develop L2 functionality, including DL and UL channel configuration, data-plane and call flows
• Implement and optimize fixed and dynamic DL and UL channel schedulers, data-plane paths
• Interface with NodeB Layer 3 (RRC) and Layer 1 (PHY) components
• Develop real-time-sensitive, multi-core, and multi-threaded software for the NodeB
• Debug, profile, and optimize software for latency, throughput, and reliability on the target platform

Required Skills

• 2+ years of experience in SW design and development with the C++ programming language, or strong C programming with familiarity in object-oriented concepts
• Experience with the full software development life cycle
• Familiarity with 3GPP 4G/5G specifications. Acumen to read and understand the 3GPP specifications and translate them to requirements
• Familiarity with developing and working in a Linux environment
• Knowledge of multi-core, multi-threaded programming, and associated OS concepts
• Familiarity with industry-standard software development and debugging tools (IDEs, build systems, git, gdb).
• Familiarity with AI based tools/agentic workflows to improve work productivity
• Strong analytical, debugging, and communication skills with the ability to work effectively across cross-functional distributed teams

Preferred Skills

• Hands-on experience in designing and developing LTE/5G L2 (MAC, RLC, PDCP, SDAP) or RAN software
• Experience with real-time scheduling, DPDK, or performance tuning on multi-core platforms.
• Familiarity with modern C++ (17/20/23)
• Experience with hands-on Python is a plus

Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [e-mail] or call Qualcomm's toll-free number found here. Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries).

EEO Employer: Qualcomm is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or any other protected classification.

Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.

Pay range and Other Compensation & Benefits:

109,400.00 - 164,200.00

We also offer a competitive annual discretionary bonus program and opportunity for annual RSU grants (employees on sales-incentive plans are not eligible for our annual bonus). In addition, our highly competitive benefits package is designed to support your success at work, at home, and at play. Your recruiter will be happy to discuss all that Qualcomm has to offer – and you can review more details about our US benefits at this link.