C / C++ Software Engineer

Spectrum IT Recruitment is working with an innovative technology business at the forefront of 5G and wireless communications . They're looking for a Software Engineer to join their software team in Southampton.

This role would suit someone whose main focus is C or C++ software development , particularly in multithreaded or high-performance systems.

The Role

You’ll develop, integrate and optimise software that supports the company's 5G NR Physical Layer (PHY) technology . Working with software, hardware, architecture and system-test teams, you’ll tackle performance challenges and help build reliable software for a demanding technical environment.

Key Responsibilities

• Develop C/C++ software used to run and test 5G NR PHY algorithms
• Improve software performance through optimisation and multithreading
• Integrate software components and help resolve complex technical issues
• Develop and maintain automated testing and CI processes
• Collaborate with hardware, architecture and system-test teams
• Support interoperability testing with customers, vendors and operators
• Contribute to technical reviews and wider software engineering decisions

What We're Looking For

Essential:

• Strong commercial experience developing software in C or C++
• Solid software engineering fundamentals
• Experience with multithreaded or high-performance software
• An interest in solving complex performance and optimisation challenges

Desirable:

• Knowledge of SIMD or hardware acceleration
• An understanding of signal processing
• Exposure to 5G, O-RAN or fronthaul protocols such as eCPRI

Why This Opportunity?

You’ll join a software team working on challenging 5G technology , with opportunities to solve performance problems and collaborate across several engineering disciplines.

If you’re a C/C++ Software Engineer who enjoys building and optimising complex software, we’d love to hear from you.

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