Rafael Cordeiro

DBA for Sql Server, C# Senior developer, Cloud Administrator

Collabra Technology•  November 2017 - Present

• Programming system with C# to compile all information from our clients in one integrated system. • Rewriting original ETL system using C# with TPL Dataflow to improve system performance and availability. • Maintaining and administrating already existing database and cloud servers. (Azure VMs, SQL Server Databases, Elasticsearchs and MongoDB noSQL databases.

DBA for Sql Server, C# Senior developer, Cloud Administrator

Omnae.com - Global Sourcing, Supply Chain, Quality Management Platform•  August 2018 - Present

• Programming a web system with C# and Asp.Net MVC and WebAPI. • Refactor and Performance improvements to the main site and SQL Server. • Maintaining and administrating already existing database and cloud servers.

Ethical Hacker

OI S.A.•  February 2017 - November 2017

• Monitoring and testing applications and systems aimed at mitigating security risks. • Work with Identity control systems. • Keep track of internal projects to check if all the code is following all expected security standards. • Teaching developers about top security risks and how to mitigate them and keep all system secure.

Senior C# Developer

TO Brasil•  January 2017 - February 2017

• Temporary work to assist in completing a project on time. • Work with Restful Web API design using ASP.net WebAPI and Entity Framework 6 with SQL Server.

Senior C# Developer and DBA for SQL Server

Mundipagg•  March 2016 - December 2016

• Work in the main Webservice API and RESTful API to improve performance and add new functionality, like anti-fraud system. The main API use WCF and WebAPI with EF6, and the anti-fraud use WebAPI. • DBA of the main Financial Transaction SQL Server Always On Cluster to improve performance and Archive the old data.

Senior C# and Java Developer

Eco Sistemas•  July 2011 - March 2016

• Improve the performance of many company databases with better indexes and suggestion better queries. • Maintain some Java/Jakarta.EE/JBoss system, improve performance and adds new features. • Start new a Asp.Net MVC SPA Web Application in JQuery Mobile to simulate a Native IOS/Android app. • Implements a centralized log system that helps easily identify system fails and slow resources to help the customer satisfaction. • Work in a team to create a system to integrate all data from all other system in only one schema, using ESB, SOAP and REST, WCF for system communication.

Adobe Flex/Air/ActionScript Developer

Petrobras•  November 2006 - June 2011

• Create many RIA front-ends using Adobe Flex 3 and 4. Actionscript 3. • Solve many old issues that nobody cloud resolve before. • Create .NET C# Service to allow the Flex consume data from a SAPBW.

RED Academy

Information Technology, B.Tech•  March 2018 - February 2019

With a focus on improving my knowledge of the latest front-end technologies and improving my English, I joined Red Academy in Canda to get ready for the next generation of Web applications. Learning a whole new set of new technologies and others that have i never been strong. Like WordPress, CSS3 / SASS, Angular, React.