Senior Software Engineer - C/C++

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

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

The Role

You'll take a leading role in developing, integrating and optimising software that supports the company's 5G NR Physical Layer (PHY) technology. Working with software, hardware, architecture and system-test teams, you'll tackle complex performance challenges and help shape reliable software for a demanding technical environment.

Key Responsibilities

• Take technical ownership of C/C++ software development used to run and test 5G NR PHY algorithms
• Drive software performance improvements through optimisation and multithreading
• Lead the integration of software components and resolution of 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
• Provide senior technical input into reviews and wider software engineering decisions

What We're Looking For Essential:

• Extensive commercial experience developing software in C or C++
• Strong software engineering fundamentals and sound technical judgement
• Proven experience with multithreaded or high-performance software
• The ability to take ownership of 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