https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--c08e1db8-3b21-4a89-b65d-a14bd00a2b40 RSS feed for C / C++ Software Engineer at Spectrum IT Recruitment. en-gb Tue, 06 Oct 2026 19:26:43 GMT https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--c08e1db8-3b21-4a89-b65d-a14bd00a2b40 https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--c08e1db8-3b21-4a89-b65d-a14bd00a2b40 Tue, 06 Oct 2026 11:53:41 GMT Location: Southampton | Salary: 45000.00-45000.00 Annual | 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 RoleYou''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 ResponsibilitiesDevelop C/C++ software used to run and test 5G NR PHY algorithmsImprove software performance through optimisation and multithreadingIntegrate software components and help resolve complex technical issuesDevelop and maintain automated testing and CI processesCollaborate with hardware, architecture and system-test teamsSupport interoperability testing with customers, vendors and operatorsContribute to technical reviews and wider software engineering decisionsWhat We''re Looking ForEssential:Strong commercial experience develo... Permanent