https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--615b78ed-b989-4285-bde5-88f3803d3e6b RSS feed for C / C++ Software Engineer at Spectrum IT Recruitment. en-gb Tue, 06 Oct 2026 20:32:49 GMT https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--615b78ed-b989-4285-bde5-88f3803d3e6b https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--615b78ed-b989-4285-bde5-88f3803d3e6b Mon, 05 Oct 2026 23:00:00 GMT Location: Southampton | Salary: £45000 - £50000/annum | Type: Permanent | 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 Ess... Permanent