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Ray J. Chen, US citizen 
Full-Stack (front-end and back-end) C#.NET 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 (front-end and back-end) C#.NET developer with 25 years of productive experience 
  • I am NOT looking for a job; please do not call/email me. Thanks.
  • You can click any underlined clause below to see details/evidence

Selected IT Certificates (11 of 14):  

Selected coding examples:

  • Designed & programmed to reduce up to 99% of 3D shape file memory (gigabytes)IBM Data Prep . 2003-2004

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 (0,5y), Infragistics(1y), Telerik(0.5y), Borland C++ (2y), JAVA/J2EE (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.  

Main experience:

3/2016-present, C#.NET Software Developer, BeyondTrust, Aliso Viejo, CA 

  • C# .NET developer for vulnerability reports

2014-2015, Senior .NET Consultant, FujiTec America, Mason, OH 

  • Finished Service Maintenance Estimate & SSRS reports
  • Finished 2 ERP software products (General Contractor Submittal & Material Order Checklist) with nested grid-views 
  • Maintained and updated legacy .Net 2.0 (C# and VB.NET) code to latest technologies
  • Fixed many bugs, and improved performance significantly

2013-2014, Senior .NET Developer, Cincom Systems, Cincinnati, OH

  • Obtained MCP for Dynamic CRM 2011 Installation & Deployment in 2 weeks (3/2013)
  • Simplified and improved performance significantly for several projects (such as workflows, discounting, pricing engine, and so on). For example, I simplified 75 complicated workflow conditions to 6 simpler conditions.
  • Wrote discount software, pricing engine, custom revise software, reusable jQuery custom controller, CAD mapping, and so on

2012-2013, Senior .NET Consultant, Sekuworks, Harrison, OH

2011-2012, C# ASP.NET Consultant, Eli Lilly & Company , Indianapolis, IN

  • Sped up a wiki page builder application (23226 genes) by more than 90%
  • Transferred Oracle database data to SQL Server database

2005-2011,  .NET Software Professor, Software School of Xiamen University , China  

  • Published open source solution code (C#/VC++/C++/C) in USA, England, Italy,India and China, respectively (2009-2012)
  • Was the sole professor for all C# ASP.NET projects and courses for the 700+ students at the school for the five full years (2005-2010)
  • Obtained the highest evaluation from the students at the software school
  • Taught compiler technology and projects (2006-2010)
  • Taught VB.NET, J2EE and UX UI (2005-2007)
  • Taught CUDA (GPU) introduction in 2010
  • Taught parallel and distributed network algorithms/projects (2007-2010)
  • Advised (major advisor) 14 graduate students in software programming
  • Five Special Speeches. eg, The Hybrid Solution of Parallel Synchronization on Computers
  • Tech lead for a small hands-on programming team

2004-2005, Co-investor & Senior .NET Software Engineer, Intangi Inc., Sunnyvale, CA

2003-2004, Data Mining Consultant, IBM Data Prep: 3D optical proximity correction process, VT

  • Added C/C++/PERL/MACRO call features (tools/library) to reduce up to 99% of 3D optical proximity correction shape layout file memory (gigabytes), and to make the files neater.

2001-2002, Senior 3D .NET Software Engineer, Boston Instruments, Waltham, MA

  • Built up a 3D object model from a set of 2D images.

2000-2001, Senior .NET Software Engineer, Perceptive Networks , Waltham, MA

  • Programmed GUI for a MIT-patent face detection system successfully

11/1992-1/2000, Senior Software Engineer, Sperry (formerly Pandrol Jackson Tech, Headquarter Charter plc, UK),  Danbury, CT USA

  • Designed and programmed the first real-time 3D pattern recognition in the world for rail flaw ultrasonic detection systems (the data was megabytes/sec at that time). The software has tested more than 65% of American railroads and 100% of Chinese railroads since 1995, product
  • Organized parallel ultrasonic data (Mbytes/sec) inputs into 24 parallel multithreads to recognize 3D flaws
  • Received the (company) President Award for programming the very profitable 3D software product above

1990-1992, Data Mining Software Architect, Argent Software, Torrington, CT

  • Programmed a data compression product by optimizing some algorithms in “Timothy C. Bell, John G. Cleary, Ian H. Witten, Text Compression, ISBM 0-13-911991-4”

9/82-8/88, Instructor, Xiamen Commercial School, China

  • Authored (editor-in-chief ) a database textbook in 1988
  • Taught Basic and Database for 6 years


  • 1998, PhD in computer science  , U of Connecticut, CT, USA ( GPA: 3.7/4.0 ). Parallel and distributed network algorithms. PhD dissertation: Analysis and simulation of parallel fork-join network systems.
  • 1990, MS in applied math , Auburn U, AL, USA (GPA: 4.0/4.0 ). Algorithms. MS thesis: A comparison of the fast Fourier transform and the fast Hartley transform algorithms. Fortran Programmer: a NASA project, 1988-1989.
  • 1994-1995,one-year advanced study in computer science, Xiamen U, China ( GPA: 4.0/4.0 ). Database
  • 1982,BS in math, Xiamen U, China ( GPA: 3.7/4.0). Math (space analytic geometry). BS thesis: The total curvatures of 3D curves
  • 1977-1978,one-year advanced study in veterinarian, Jiangsu Agriculture College, China (GPA: 4.0/4.0). Meat sanitation check


  • #1, swimming; #2, software coding (solution / debug), I enjoy it as playing games; #3, hiking; #4, fishing; #5, playing chess (I can play chess without seeing the chess board)


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