C# Developer

C#.NET EOS Developer (ETRM) Contract: 6 months initial (extension likely) Location: London Rate: Competitive, Outside IR35 Overview A Global energy trading organisation seeking an experienced C#.NET Developer to support and enhance EOS-focused ETRM platforms across power, gas and environmental markets. The role sits within a specialist trading technology team delivering system enhancements, integrations and ongoing optimisation in an agile environment. Responsibilities Develop and enhance EOS trading and risk applications using C#.NET (WinForms, WCF). Translate EOS trading requirements into technical solutions in collaboration with BAs and delivery leads. Design and optimise SQL Server databases supporting trading and operational workflows. Maintain code quality through testing, standards and peer review. Manage CI/CD pipelines and deployments via Azure DevOps. Support legacy and vendor/inherited codebases. Deliver against agile sprint commitments. Required Experience Strong C#.NET (.NET

Framework) development background; .NET Core exposure beneficial. Solid SQL Server experience. Hands-on WinForms and WCF experience. Proven EOS / ETRM experience covering physical power, gas or environmental products. Strong understanding of energy trading workflows and system customisation. Experience working in agile delivery teams and complex enterprise environments.