https://jobs.co.uk/job/senior-c-developer-gcs--a135c66e-726b-4f51-bd1f-7c382b21bca4 RSS feed for Senior C# Developer at GCS. en-gb Wed, 16 Sep 2026 15:09:36 GMT https://jobs.co.uk/job/senior-c-developer-gcs--a135c66e-726b-4f51-bd1f-7c382b21bca4 https://jobs.co.uk/job/senior-c-developer-gcs--a135c66e-726b-4f51-bd1f-7c382b21bca4 Wed, 16 Sep 2026 11:51:50 GMT Location: London | Salary: 400.00-400.00 Daily | Type: Contract | Contract Opportunity Tier 1 Investment Bank Canary WharfOverviewOur client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from legacy desktop solutions to modern web-based and cloud-enabled platforms.The successful candidate will work across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture.Key InformationRole: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: 416 per day (Inside IR35) Start Date: ASAPThe ProgrammeThis role forms part of a wider transformation initiative focused on:Modernising legacy desktop applicationsMigrating technology platforms from on-premise infrastructure to AzureSupporting the transition from desktop-based solutions to web technologiesImproving application performance, maintainability and scalabilityDelivering new functionality aligned to business and regulatory requirementsThe... Contract