Our .NET Developers are primarily engaged in building innovative new trading front-ends in (among other technologies) Windows Presentation Foundation (WPF) and/or Silverlight. The typical type of system we deliver has a Java/C++ on Unix back-end and a Windows trader desktop front-end, focused on efficiently delivering large volumes of trade or pricing data to the desktop. Therefore, experience with multi-threaded UI's, efficient memory and thread management, and judicious use of screen real-estate are important considerations for these positions.
Additionally we do work in ASP.NET, often related to building sophisticated web-services projects, or helping our clients create engaging end-user web applications. Therefore a solid understanding of Web Services and ASP.NET internals, combined with a capacity and desire for creating web applications (information architecture, AJAX, html) is useful as well.
In addition, we are always looking for these core skills: