Company DescriptionEnergy businessJob DescriptionMUST 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 InformationAll your information will be kept confidential according to EEO guidelines.