Software Engineer

Software Engineer in Southampton (SO14) | Spectrum It Recruitment Limited Find a job Post a job Sign up Tired of searching? Let’s find you the right jobs faster Get Started Search These jobs were popular with other job seekers Software Applications Engineer Saab UK Fareham (PO14) Negotiable 1 day ago JAVA Roles Morson Edge The Airport, Portsmouth (PO3), PO3 5PU Market related 1 week ago Software Engineer - Defence Sanderson Government and Defence Hampshire £40000 - £85000 per annum + + 6% bonus 1 month ago Senior Software Engineer Hackajob Ltd Fitzhugh, Southampton (SO15), SO15 £10k - £40k per year 1 week ago Senior Software Engineer Method-Resourcing City of London (EC1), EC1 Bonus 2 weeks ago Product Support Engineer Spectrum It Recruitment Limited Fareham (PO14) £28000 - £30000 per annum + Benefits 1 day ago Software Architect Spectrum It Recruitment Limited Portsmouth (PO1) £85000 - £95000 per annum + Benefits 1 day ago Software Engineer III - AIML Experimentation, Observability and Governance Hackajob Ltd Bournemouth, Dorset, BH1 £90k - £130k per year 1 week ago Senior Software Engineer NICE Southampton, Hampshire Competitive 2 weeks ago Software Engineer - Platform Faculty South East Competitive 2 weeks ago Software Engineer Spectrum It Recruitment Limited View Profile Southampton (SO14) Permanent Published: 1 day ago £45000.00 - £50000.00 per annum Apply Save Software Engineer Spectrum It Recruitment Limited Apply Spectrum IT Recruitment is working with an innovative technology business at the forefront of 5G and wireless communications , who are looking for a talented Software Engineer to join their growing software team in Southampton. This is an excellent opportunity for a Software Engineer with strong C/C++ skills who enjoys working close to the hardware and solving challenging performance and optimisation problems. The Role You'll be responsible for developing, integrating and optimising the infrastructure software underpinning 5G NR Physical Layer (PHY) systems , with a particular focus on delivering real-time performance across embedded platforms. You'll work closely with software, hardware, architecture and system-test teams, contributing to the development of high-performance 5G technology. Key Responsibilities ?? Develop software used to run and test 5G NR PHY algorithms ?? Develop and optimise platform-specific code for embedded systems ?? Apply SIMD, multi-threading and hardware acceleration techniques ?? Integrate PHY algorithms with ARM-based platforms and boards ?? Improve and maintain CI testing across the platform ?? Support interoperability testing with customers, vendors and operators ?? Work closely with hardware, system architecture and system-test teams ?? Contribute to technical reviews and customer-facing activities What We're Looking For Essential: Strong C or C++ development experience Experience with a scripting language such as Python, Groovy or Bash Strong software engineering fundamentals and an interest in performance optimisation Desirable: Experience developing for real-time embedded systems and Linux Knowledge of SIMD, FPGA or DSP-based hardware acceleration Understanding of signal processing and optimisation techniques Experience with FPGA toolchains, particularly Xilinx Vivado Exposure to O-RAN architecture and fronthaul protocols such as eCPRI Experience working with ARM-based platforms Why This Opportunity? This is a chance to work on genuinely cutting-edge 5G technology , tackling interesting engineering challenges around performance, embedded systems and hardware acceleration. If you're a Software Engineer who enjoys working at the intersection of software, hardware and wireless communications , we'd love to hear from you. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. Apply Spectrum It Recruitment Limited HR Services, Recruitment & Selection 18 Jobs The company is part of Company Profile In Short Industry IT & Telecommunications Founded 2008 Location Chilworth, Southampton Company size 11-50 Who We Are Established in 2008,
Spectrum IT is a leading Software and Technology specific recruitment agency, providing
permanent and contract IT resource for businesses. Our team of around 30
employees are based on the University of Southampton Science Park, a key hub
for technology on the South Coast. Who We Can Help Spectrum IT works
with a wide cross section of businesses, from start-ups to multinationals. 95%
of placements are within Software focused businesses, or where Software is key
to the business model. Typically, around 200 different businesses are supported
annually, with more than 900 candidates placed. How We Work We bring together talented
IT professionals with businesses of all sizes. Our extensive experience can
help your business with single hires right through to building large software
development project teams of 50+. Regular engagement with the IT community
enables us to keep up to date with the ever-changing IT landscape. Similar Software Engineer Jobs Popular with Other Job Seekers Software Applications Engineer Saab UK Fareham (PO14) Negotiable 1 day ago JAVA Roles Morson Edge The Airport, Portsmouth (PO3), PO3 5PU Market related 1 week ago Software Engineer - Defence Sanderson Government and Defence Hampshire £40000 - £85000 per annum + + 6% bonus 1 month ago Senior Software Engineer Hackajob Ltd Fitzhugh, Southampton (SO15), SO15 £10k - £40k per year 1 week ago Senior Software Engineer Method-Resourcing City of London (EC1), EC1 Bonus 2 weeks ago Product Support Engineer Spectrum It Recruitment Limited Fareham (PO14) £28000 - £30000 per annum + Benefits 1 day ago Software Architect Spectrum It Recruitment Limited Portsmouth (PO1) £85000 - £95000 per annum + Benefits 1 day ago Software Engineer III - AIML Experimentation, Observability and Governance Hackajob Ltd Bournemouth, Dorset, BH1 £90k - £130k per year 1 week ago Senior Software Engineer NICE Southampton, Hampshire Competitive 2 weeks ago Software Engineer - Platform Faculty South East Competitive 2 weeks ago Software Engineer jobs Software Engineer jobs in Southampton IT jobs IT jobs in Southampton Software Development jobs Software Development jobs in Southampton Jobs in Southampton Software Developer jobs Engineer Software jobs Junior Software Developer jobs Development Engineer jobs Coder jobs Software Programmer jobs Software Design Engineer jobs Senior Software Application Engineer jobs Software Engineering jobs Entry Level Software Developer jobs Senior Embedded Software Engineer jobs Software jobs Software Specialist jobs Software Engineer Developer jobs Software Designer jobs Get hired. Find success. Get started Totaljobs About us Careers at Totaljobs Press Partners Privacy policy Terms and conditions Cookies Legal and compliance Accessibility Jobseekers Salary Planner Jobseeker help centre Career advice Recruiters Post job ads Recruiting news Courses Contact us - recruiters Recruit internationally Download App store Play store The Stepstone Group UK Ltd © 2026 We use cookies We use cookies to operate our website, measure how people use our services to help us improve them, enrich usage profiles and personalise the content displayed to you. We also share information about your use of our site with our social media, advertising, and analytics partners, who may combine it with other information, to show you relevant ads on other websites, and to measure the performance of our advertising. Some cookies are essential for the operation of our website. If you would prefer us not to use the non-essential cookies, click “Just necessary”, but please be aware that this may impact your experience of our site and the services we are able to offer. Click “Accept” if you’re happy for us to place these cookies. You can change your mind at any time. Store and / or access information on a device Cookies, device identifiers, or other information can be stored or accessed on your device for the purposes presented to you. Personalised ads and content, ad and content measurement, audience insights and product development Ads and content can be personalised based on a profile. More data can be added to better personalise ads and content. The performance of ads and content can be measured. Insights about audiences who have viewed the ads and content can be extracted. Data can be used to build or improve user experience, systems and software. Display third-party content (social networks, videos) Content from social networks and embedded content from third-party providers can be displayed. Identifiers derived from authentications If an identifier is created based on authentication data, such as contact details associated with online accounts you have set up on websites or apps (e.g. email address, phone number) or customer identifiers (e.g. an identifier provided by your telecommunications provider), then this identifier can be used to recognize you across websites, apps and devices if you are logged in with the same contact details. Just Necessary Accept All Cookie Settings You can also exercise your right to object to data processing based on legitimate interests under “Privacy Policy”. Privacy Policy Cookie policy