https://jobs.co.uk/job/senior-net-developer-billing-or-financial-systems-essential-hays-specialist-recruitment-limited--af3368be-60f4-4efc-88ca-124f4c607e77 RSS feed for Senior .Net Developer (Billing or Financial Systems Essential) at Hays Specialist Recruitment Limited. en-gb Sun, 12 Jul 2026 23:48:15 GMT https://jobs.co.uk/job/senior-net-developer-billing-or-financial-systems-essential-hays-specialist-recruitment-limited--af3368be-60f4-4efc-88ca-124f4c607e77 https://jobs.co.uk/job/senior-net-developer-billing-or-financial-systems-essential-hays-specialist-recruitment-limited--af3368be-60f4-4efc-88ca-124f4c607e77 Sat, 11 Jul 2026 11:52:40 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 companyI''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 roleThis is not a typical greenfield development role.You''ll sit at the heart of a complex billing environment, working across system stabilisation, reverse enginee... Permanent