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Work Background
Principal Software Engineer
DIRECTVPrincipal Software Engineer
Feb. 2013El Segundo, CA2020 - present · Member of a team that works on the modernization of some legacy websites and apps. My role is mainly client side development using React and NextJS. 2017 - 2020 (AT&T) · Member of a team that developed and maintained the web versions of DirecTV Now, WatchTV and DirecTV Everywhere. My role was mainly client side development using Angular and AngularJS. 2013-2017 (Pre-AT&T) · Member of a team that prototyped ideas and concepts that may influence the product roadmap and strategies of the company. As such, I had the opportunity to learn and use a diverse set of technologies. · My main function was to setup and maintain the backend services that supported the rapid prototyping of the various concepts. For this I have used among others nodejs, Amazon Web Services (ec2, route53, dynamodb), dust, nginx, HAProxy, memcached, Jenkins and ubuntu. Some of the services I setup: 1) An aggregation system that aggregated search results and recommendations from various sources such as Digital Smiths, TMS, YouTube and Ooyala (nodejs, dust). 2) A web service that simplified the calls to the PGWS services (nodejs, memcached, dynamodb) 3) A recommendation web service (predictionIO) · I worked on various prototyping projects myself. Most notable are: 1) Beacon/BLE using raspberry pi's (nodejs, angularjs) 2) An iphone app that demonstrated face recognition (Microsoft Cognitive Services, c#, Xamarin) 3) An app (iphone, android) for personalized list of what to watch (Apache Flex) 4) Researched and demonstrated document clustering (Carrot2, LingPipe)
Senior Software Developer
Apollo GroupSenior Software Developer
Dec. 2009 - Feb. 2013· Lead developer of the team developing the web services that creates or updates students' gmail account. (Java, Maven, Google API). · Key member of the team developing the Instant Messaging/Chat System (JavaScript, XMPP, Java, Maven, eJabberd, nginx, Amazon EC2, RequireJS, jQuery, HTML/CSS).
Senior Engineer
IPRO TechSenior Engineer
Oct. 2009 - Dec. 2009· Design/develop a new product (C#, WCF, EntitySpaces, MSMQ ,SQL Server 2005).
Software Developer
Edupoint Educational Systems, LLCSoftware Developer
Dec. 2008 - Sep. 2009· Main developer of the Student Medication and Monitoring module of the Student Information System (SIS) (C#, ASP.Net, Genesis, SQL Server 2005). · Main Developer of the Scheduler interface (C#, ASP.Net, Genesis, SQL Server 2005). · Develop various reports using Active Reports.
Senior Software Engineer
Apollo GroupSenior Software Engineer
Jul. 2006 - Dec. 2008· Technical and design lead for the development of the new version of campus websites and web services (C#, ASP.Net, REST, XSL, XML, MVC Framework, Sharepoint 2007, NHibernate, MSSQL 2000, NUnit, CruiseControl.Net, Subversion, MemCached). · Key member of the team developing the new version of a web application (SASWeb) used in School of Advanced Studies (C# 2.0, ASP.Net 2.0, NHibernate, MSSQL 2000, NUnit, CruiseControl.Net, Subversion). · Re-factored the whole SASWeb application into separate tiers and designed the data tier to use the NHibernate framework. · Key member of the team developing the new version of a web-based student enrollment application (ApplyWeb) (C# 2.0, ASP.Net 2.0, MSSQL 2005, NUnit, CruiseControl.Net).
Software Developer/Architect
Cityblock IncSoftware Developer/Architect
Mar. 2005 - Jun. 2006· Architected the Process Flow Management System (C#, VB.Net, Visio, MSSQL, SharePoint, InfoPath). Developed the prototype Visio 2003 client. · Designer and developer of the CityScope: a graphical radar-like application that sends and monitors management directives (C#, VB.net, ASP.Net, MSSQL, XML, Pocket PC, Outlook, Exchange). · Re-designed and developed an accounting batch process that runs nightly (C#, MSSQL). The previous version was very buggy. · Key member of the team developing the company’s next version of accounting system (VB.Net, MSSQL)
Software Developer
Wireless Retail IncSoftware Developer
Sep. 2000 - Mar. 2005· Key member of the team designing and developing the next version of a webbased POS system using the .NET platform (C#, VB.Net, MSSQL). · Main developer of the FedEx shipper tracking system (C#). · Main developer of the GeoCoder (tax code) class library (VB.Net). · Member of the team maintaining the current web-based POS system (VB6, ASP, MSSQL). · One of the developers maintaining the web-based reporting system (ASP, ASP.Net, XML/XSL, MSSQL) · One of the developers maintaining legacy VB6 support applications. · Designed and developed the middle-tier COM+/MTS components used by company-wide applications including the web-based POS application. · Key member of the team developing the web-based POS application (ASP, VB6, COM+, MSSQL). · Coded many MSSQL stored procedures and designed many database tables. · Designed and developed several management applications including the Reconciliation System, the Collections Management System, the Inventory System, and the UPS Tracking System (VB6, ASP, MSSQL). · Designed and developed several management reports (web-based and Crystal Reports) such as the Receivables and Sales Margin reports.
Analyst Programmer
Camelback Research AllianceAnalyst Programmer
Aug. 1999 - Aug. 2000· Key member of the team developing the Data Collections System (securities data). · Designed and developed the component that communicates with the MQ Series server. · Coded several Sybase stored procedures. · Designed and developed an unattended console application in C++ that parses and processes MQ inputs. · Developed an ActiveX control that implemented the Data Encryption Standard (DES) in C++ for encrypting login passwords. · Main player in the major installation of the Data Collections System.

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Full-Stack Developer Available for Part-Time Projects — Specializing in Next.js, React, and Node.js
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