https://jobs.co.uk/job/senior-c-net-developer-arm--d1bcedf7-4df5-4ade-b448-49337c7ab15a RSS feed for Senior C# .Net Developer at ARM. en-gb Sat, 17 Oct 2026 09:01:54 GMT https://jobs.co.uk/job/senior-c-net-developer-arm--d1bcedf7-4df5-4ade-b448-49337c7ab15a https://jobs.co.uk/job/senior-c-net-developer-arm--d1bcedf7-4df5-4ade-b448-49337c7ab15a Wed, 14 Oct 2026 23:00:00 GMT Location: London | Salary: £500/day Umbrella Inside IR35 | 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: Contract Rate: -500 a day Inside IR35 via Umbrella Role Overview We 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 Responsibilities Design, 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 integrat... Contract