Senior .NET Software Engineer

we are looking Senior .NET software engineer for managing the entire software development life-cycle from concept design through to implementation and application maintenance. He/She oversees the design and implementation of websites, programs, and applications that execute within Microsoft's .NET framework.
Key Responsibilities
Analyzes existing code to understand performance impact and propose solutions.
Utilizes established development tools, guidelines and conventions including but
Creates efficient and logical solution designs for clients
Upgrades existing .NET websites and applications.
Troubleshoots, debugs and upgrades existing systems.
Prepares and maintains code for various .Net applications and resolves any defects in systems.
Designs and codes superior technical solutions
Reviews and debugs .NET applications.
Writes well-designed, scalable, and testable code.
Prepares test based applications for various .Net applications.
Designs software...