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Ray J. Chen, US citizen  
Full-Stack (front-end and back-end) C#.NET (also, C++ and C) Solution Developer


one of the 5000 .NET Application charter members in the world

Home ***** Via Cereza, Mission Viejo, CA 92691

Email: rayJchen2000@gmail.com





  • Full-stack (very flexible) C#.NET (also, C++ and C) developer with 25 years of productive experience 
  • I am NOT looking for a job now; please do not call/email me. Thanks.
  • You can click any underlined clause below to see details/evidence

Selected coding examples:

  • Designed & programmed to reduce up to 99% of 3D shape file memory (gigabytes)IBM Data Prep . 2003-2004
  • Designed & programmed to speed up a wiki page builder application  (23226 genes) by more than 90%,  Eli Lilly & Company . 2011

Note: I am a product-oriented quick learner to adapt myself quickly to new teams/skills. For example, I learned related Perl skills in weeks in order to reduce up to 99% of 3D shape file memory (gigabytes) for IBM.

Selected IT Certificates (11 of 14) 

Selected skills (years):

C# (14y), ASP.NET (14y), SQL Server (12y), ASP.NET MVC (3y), jQuery (6y), JSON (6y), JavaScript (8y), HTML (14y), XML (12y), CSS (8y), LINQ (5y), Ajax (6y), TFS (10y), SVN (2y), VSS(2y), SSRS(1y), ERP (9y), Microsoft Dynamic CRM & SDK (2y), Web Service (6y), WCF (3y), Entity Frameworks (6y), C (20y), C++ (15y), Angular JS (2y), ASP.NET Web API 2 (1y), PERL (2y), Oracle (3y), ADO.NET (9y), T-SQL (9y), Agile/Scrum (8y), VB.NET (2y), WinForms (7y), WPF(2y), Clear Case (1y), Bootstrap (2y), Mobile Application(1y), SSIS(1y), Cloud-computing(1y),  LESS(0.5y), GIT(0.5y), GitHub(0.5y), JIRA(0.5y), Team City (0.5), Infragistics(1y), Telerik(0.5y), Borland C++ (2y), OpenXML (2y), and so on; productive industrial experience(18y) in starting new projects from scratch with latest technologies and/or in updating/debugging legacy software. I am a quicker learner.

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