Senior Developer

Spectrum It Recruitment Limited - Senior Developer, Southampton (SO14). Search Search Senior Developer Spectrum It Recruitment Limited View Profile Southampton (SO14) Permanent Published: 6 hours ago £55000.00 - £60000.00 per annum + 25 Days holiday Senior Developer Spectrum It Recruitment Limited Work across both legacy and modern Microsoft environments and help lead a genuine migration programme rather than just maintain old systems. The business is growing and needs an experienced developer who can help move a core platform forward. Some of the estate is still in VB.NET, but the direction of travel is clear: modernising the codebase, improving architecture and helping drive the shift towards a more modern C# and .NET environment, with Azure and better engineering practices playing a bigger part. You would be joining a software team that supports applications used in a regulated healthcare setting. That means the work matters, but it also means security, reliability and data handling standards need to be taken seriously. Senior .NET Developer £60,000 Remote with quarterly office visits This role is mainly back-end focused and would suit someone with strong C# / .NET experience who is also comfortable working with VB.NET . The split is roughly 75% C# / 25% VB.NET , so this is not purely legacy support. The real focus is helping drive the migration from older VB.NET systems into a more modern C# and .NET architecture. You would be joining an established team of circa 10 engineers What matters most: strong commercial C# / .NET experience VB.NET experience solid back-end development skills SQL / database understanding ability to improve and modernise existing systems Nice to have: Azure CI/CD React Xamarin / .NET MAUI The applications sit in a regulated healthcare environment, so reliability, security and good engineering judgement matter. Package includes: Salary up to £60,000 Remote working Quarterly office visits 25 days holiday + bank holidays 5% pension Life assurance Sick pay Private medical after probation Apply now for more information please contact Ruby Calver at Spectrum IT Recruitment. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. In Short Industry IT & Telecommunications Founded 2008 Location Chilworth, Southampton Company size 0 - 49 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 Senior Developer Jobs Popular with Other Job Seekers Mobile Developer Stealth IT Consulting Limited UK From £600 to £650 per day Inside IR35 3 days ago Senior Software Engineer ByteHire London Unspecified 3 weeks ago Senior Full Stack Software Engineer Connells Limited Milton Keynes (MK7) Unspecified 2 weeks ago Senior .Net Developer - Fully Remote G.R.E. Recruitment Limited City of London (EC1) Up to £75,000 per annum - Fully Remote - Initial 6 Month FTC Role 1 week ago Lead Developer, .NET, C#, Azure, Logic Apps, React, GenAI, Part Remote Carrington Recruitment Solutions Limited West End, Central London (W1), W1A 1AB From £80,000 to £89,000 per annum Good benefits 1 week ago Software Engineer Fuel Recruitment South East From £50,000 to £60,000 per annum 5 days ago Salesforce Marketing Cloud Developer (Marketing Cloud NEXT) IO Associates India Negotiable 4 days ago Integration Developer - Technical Lead MORGAN PHILIPS UK LIMITED London £90000 - £110000 per annum 3 days ago eDV Software Engineer FryerMiles Recruitment London £650 - 750 per day 2 weeks ago .NET Core Backend Developer EXL Service The City, City of London (EC3), EC3N 1DD A competitive salary with a generous bonus and additional benefits 1 week ago Senior Developer jobs Senior Developer jobs in Southampton IT jobs IT jobs in Southampton Software Development jobs Software Development jobs in Southampton Jobs in Southampton Junior Software Developer jobs Entry Level Software Engineer jobs Senior Software Engineering jobs Senior Lead Developer jobs Senior Applications Developer jobs Senior Software Engineer Developer jobs Senior Solution Engineer jobs Senior Full Stack Developer jobs Entry Level Software Developer jobs Junior Software Engineer jobs Senior Software Engineer jobs Senior Applications Engineer jobs Senior Development Manager jobs Senior Designer jobs Senior Full Stack Net Developer jobs Principal Developer jobs Totaljobs About us Work for us Media centre Partners Jobseeker Jobs Jobseeker login Salary Planner Jobseeker help centre Career advice Recruiter Courses Advertise a job Recruiter login Contact us – recruiters Recruiter advice Recruit internationally Let's connect Apps Privacy policy Terms and conditions Cookies Compliance Accessibility The Stepstone Group UK Ltd © 2026