https://jobs.co.uk/job/senior-c-net-developer-arm--b763992d-05f7-4c76-bfb8-ca9bf2c3435e RSS feed for Senior C# .Net Developer at ARM. en-gb Sat, 17 Oct 2026 08:12:04 GMT https://jobs.co.uk/job/senior-c-net-developer-arm--b763992d-05f7-4c76-bfb8-ca9bf2c3435e https://jobs.co.uk/job/senior-c-net-developer-arm--b763992d-05f7-4c76-bfb8-ca9bf2c3435e Fri, 16 Oct 2026 11:54:20 GMT Location: London | Salary: 500.00-500.00 Daily | Type: Contract | Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: ContractRate: 500 a day Inside IR35 via Umbrella Role OverviewWe are seeking experienced Senior C# .NET Developers to join a strategic technology transformation programme within a leading international banking environment.The successful candidates will design, develop and enhance enterprise-grade applications supporting critical business functions across front-office, middle-office and back-office domains. They will work closely with Solution Architects, Technical Analysts, Business Analysts, Data Engineers and QA teams to deliver scalable, secure and high-performing solutions in a highly regulated environment.Key ResponsibilitiesDesign, develop and maintain enterprise applications using C# and .NET.Develop scalable, secure and high-performance APIs, services and distributed applications.Work with Technical Analysts and business stakeholders to translate requirements into technical solutions.Contribute to solution architecture, technical design and code reviews.Develop RESTful APIs and integration services.Implement monitoring, logg... Contract