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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