https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-dt-south-coast--f1b0c467-c3eb-4106-82ab-43a852e12f3b RSS feed for Senior .NET Developer (Billing Systems Essential) at Hays DT - South Coast. en-gb Thu, 11 Jun 2026 14:31:48 GMT https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-dt-south-coast--f1b0c467-c3eb-4106-82ab-43a852e12f3b https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-dt-south-coast--f1b0c467-c3eb-4106-82ab-43a852e12f3b Thu, 11 Jun 2026 11:51:53 GMT Location: Southampton | Salary: 10000-500000 Annual | Type: Any | Senior .NET Developer (Billing Systems Essential)Southampton (Office Based)£60-65k + 10% Bonus, 8% Pension, Private Medical.- This role cannot offer Visa Sponsorship.- You must have Billing Systems Experience to apply for this role. Your new company I''m recruiting exclusively for a globally connected business operating at the heart of international trade. Their name is known worldwide with over 100k employees following recent acquisitions and you''ll join initially on a 2-year Fixed Term Contract.With a significant multi-year Billing Transformation Programme underway, the business is replacing a complex Legacy billing platform with a modern enterprise solution. This is a high-impact programme to with strong investment to modernise and the chance to introduce AI in production.It''s the best of both worlds, security of a multi-national with the strong collaboration and interaction of an SME. This role is fully office-based in Southampton. Your new role This is not a typical greenfield development role.You''ll sit at the heart of a complex billing environment, working across system stabilisation, reverse engineering and transformation support. The role is best suited to someone who e... Any