I'm a software engineer who has extensive Web and Windows application programming skills. My experience includes successfully developing, bug fixing, and troubleshooting. I have proficient Web development skills ranging from page design to site administration.
Experience
2019 — Now
2019 — Now
San Diego, California, United States
2015 — 2019
2015 — 2019
Chicago, IL
• Implemented/modified the migration workflow to support legacy system's clients to the new system due to ICD10 standard change requirement.
• Extensively worked on BizTalk applications and maintained BizTalk servers.
• Developed number of new BizTalk orchestrations for any new process types in the new system.
• Modified BizTalk pipelines to support new process types.
• Created multiple client specific BizTalk maps to support different client’s data file layout.
• Worked on XSLT Transformation for multiple BizTalk mappings.
• Modified the DataExchange to migrate older Oracle DB clients to new SQL Server clients.
• Added multiple new configurable generic process engines to process new message types based on the workflow rules.
• Modified the Data Access Layer for Atlas and Workflow DB.
• Implemented various types of applications.
• Wrote T-SQL scripts, XPath queries, stored procedure, and created tables schema based on the
requirement.
• Involved in full Software development life-cycle (SDLC) and agile methodologies.
• Bug fixing and maintenance on all applications.
• Code deployment, program testing and troubleshooting.
• Used MS SQL Profiler to monitor and troubleshoot the servers.
• Used Fiddler, SOAP UI to troubleshoot web services.
2014 — 2015
2014 — 2015
Chicago, IL
• Implemented a system called AuthProxy which authenticates and authorizes users and proxies the REST requests. This system is shared between different applications including Traffic Viewer.
• AuthProxy development using C#, WCF, REST, LINQ, Entity Framework, JSON and XML.
• Created Data Access Layer for AuthProxy using Entity Framework DB first approach with MS SQL
Server 2014.
• Developed an Admin page, an MVC 5 application, to manage users and roles for AuthProxy.
• Worked on IIS features such as URL Rewrite, Application Request Rerouting, SSL Bindings, and Failed Request Tracing for web application deployment.
• Implemented various types of Windows Forms based tools using C#.NET, Json.NET and LINQ.
• Wrote T-SQL scripts, stored procedure, triggers, and created tables schema based on the requirement.
• Maintained lower environments database servers including backup, restore, adding users with proper SQL roles.
• Involved in full Software development life-cycle (SDLC) and agile methodologies.
• Bug fixing and maintenance on all applications.
• Code deployment, program testing and troubleshooting.
• Used MS SQL Profiler, Fiddler to monitor and troubleshoot the servers.
2013 — 2014
2013 — 2014
NYC
• Automated and integrated the fingerprint identification process to CMS.
• CMS web application development using ASP.NET, ADO.NET, LINQ, JQuery, AJAX, JSON, XML, JavaScript, HTML5, and CSS3.
• Implemented various types of Windows Forms based tools using C#.NET, ADO.NET, IText, XML, and LINQ.
• Wrote T-SQL scripts, stored procedure, triggers, and created tables schema based on the requirement.
• Maintained lower environment's database servers including backup, and restore data.
• Worked on numbers of RDLC and PDF template reports.
• Bug fixing and maintenance on both Web and Client applications.
• Code deployment, program testing and troubleshooting.
• Used MS SQL Profiler, Fiddler to monitor and troubleshoot the servers.
2011 — 2012
2011 — 2012
NYC
• Web application development using ASP.NET, ADO.NET, JQuery, AJAX, JSON, XML, JavaScript, HTML5, and CSS3.
• Windows application development using VB.NET, ADO.NET, WPF, XML, and LINQ.
• Wrote T-SQL scripts, stored procedure, triggers, created database tables based on the requirement.
• Created number of new asynchronous web pages (modules) in STARS web version using JQuery, AJAX, JavaScript, JSON, and XML.
• Successfully implemented XML Data Island using XML, XPATH, HTML, JQuery, and JavaScript.
• Extensively used HTML5 features such as Web Storage.
• Implementing Web Service (ASMX) that handles AJAX requests and responds with either XML or JSON format data.
• Created a windows application that monitors the performance of dozen of web servers’ physical memory, and Server-Side State Management and display results in Line Graph using WPF.
• Rewrote some Data Access Layer modules using ADO.NET.
• Bug fixing and maintenance on both Web and Client applications.
• Program testing and troubleshooting.
Education
College of Staten Island (CUNY)
Master of Science in Computer Science
2010 — 2012
Mongolian University of Science and Technology
Bachelor's degree
2000 — 2005