Company Description Energy business Job Description MUST HAVE AT LEAST A GREEN CARD . Client is currently expanding its platform and services into additional markets and expanding its functionality in the demand side management space. The position will be responsible for development mainly in C#. RESPONSIBILITIES • Design and implement externally facing, middle-tier and back-end services for new features, collaborating with the front-end and product teams. • Model and implement complex business processes leveraging our custom workflow infrastructure (Microsoft WF). • Code primarily in C# and on the .NET 4.0 framework. • Create highly optimized, scalable, redundant, and distributed software. Qualifications • 5+ years of experience in server-side/back-end development using C# 3.5/4.0 and Microsoft .NET technologies including Entity Framework. Should have experience building webservices from scratch • Experienced in Object Oriented, Service Oriented and Aspect Oriented Architectures as well as Design Patterns. • Experienced in Microsoft SQL Server development Additional Information All your information will be kept confidential according to EEO guidelines.