https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--ec1b59d4-a083-4202-8440-17e2515e66ee RSS feed for C / C++ Software Engineer at Spectrum IT Recruitment. en-gb Thu, 08 Oct 2026 14:40:34 GMT https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--ec1b59d4-a083-4202-8440-17e2515e66ee https://jobs.co.uk/job/c-c-software-engineer-spectrum-it-recruitment--ec1b59d4-a083-4202-8440-17e2515e66ee Thu, 08 Oct 2026 11:56:53 GMT Location: Southampton | Salary: 10000-500000 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 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 ... Permanent