https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-technology--bea6df44-2327-4c43-93a1-55882c238734 RSS feed for Senior .Net Developer (Billing Systems Essential) at Hays Technology. en-gb Tue, 11 Aug 2026 19:26:50 GMT https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-technology--bea6df44-2327-4c43-93a1-55882c238734 https://jobs.co.uk/job/senior-net-developer-billing-systems-essential-hays-technology--bea6df44-2327-4c43-93a1-55882c238734 Tue, 11 Aug 2026 11:55:42 GMT Location: Southampton | Salary: 60000.00-60000.00 Annual | Type: Permanent | Senior .Net Developer (Billing or Financial Systems Essential)2 Year Fixed Term ContractSouthampton, 3 days per week 60-65k + 10% Bonus, 8% Pension, Private Medical.- This role cannot offer Visa Sponsorship.- You must have Billing Systems or Financial Product Experience to apply. 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 hybrid, with a minimum of 3 days in their Southampton office. 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 engin... Permanent