Sergio was great! He was available when I needed him, and he provided very high-quality work. He helped me understand some complex design patterns and data models. I would not hesitate to hire him again.
Awesome programmer. Sergio was easy to work with, understood the project and was able to deliver great work.
[18 May, 2019] Sergio is a great freelancer. He integrated quickly with my partner and I to work through our project and help us understand exactly what we needed.
Software Developer with Java and .NET Technologies
Transpormex
3月 2014 - 4月 2015 (1 , 1 )
Developed java web services for interaction with Magento e-commerce Platform, and Oracle PL/SQL program units as backend for integration with ERP.
Software Developer
Arvin Meritor/Sisamex
9月 2012 - 3月 2014 (1 , 6 )
Customizations on the Assembly Execution System for the Driveline production unit, a solution including different applications based on ASP.NET, SQL Server, VB Win Forms, and Java/GWT with JaperReports.
Customizations on the Integrated Manufacturing System (ASP.NET and SQL Server) as required for integration with new Orace EBS implementation. Developed different web pages and reports as required by the business.
Implemented several program units with Oracle PL/SQL, SQL Loader, and Oracle EBS API, for data integration in new Oracle EBS implementation.
Implemented several program units for reporting through email data required by the business.
Bug corrected several program units in different corporate-wide applications.
Software Developer
GP Retail State
7月 2011 - 8月 2012 (1 , 1 )
Created an Operational Data in SQL Server for mirroing an Oracle EBS database. Created several progam units, stored procedures, performed back up and restore maintenance from databases. Adjusted security settings.
Created a Replication System for SQL Server databases.
Developed several program units for new application units required by the business.
Prepared sql queries for reporting on a SAP Systems.
Tuned-in different queries related to reports reported by users as slow.
教育
BS in Electronics Systems Engineering
Tecnológico de Monterrey, Mexico 2000 - 2004
(4 )
資格
Microsoft Certified Application Developer
Microsoft Corporation
2010
Covered the certification path consisting on the following skills in .NET development:
Programming C #
Designing Database Solutions by Using SQL Server 2005
Developing XML Web Services Using Microsoft ASP.NET
Building COM+ Applications Using Microsoft .NET Enterprise Services
出版物
No publications yet
NA
Currently, I haven't collaborated with any publications yet.