Senior Developer or Senior DevOps Engineer with the ability to attain application and system level solutions. Possess solid development experience in Ruby and JRuby. Skilled in leveraging open source applications and the software design process. Skilled in object oriented programming, analysis, and design. Applied skills in MVC architecture, gems, plugins, migrations, themes, localizations, caches, and Git repositories.
Senior Developer or Senior DevOps Engineer with the ability to attain application and system level solutions. Possess solid development experience in Ruby and JRuby. Skilled in leveraging open source applications and the software design process. Skilled in object oriented programming, analysis, and design. Applied skills in MVC architecture, gems, plugins, migrations, themes, localizations, caches, and Git repositories. Demonstrated ability to lead and mentor staff, maximizing productivity and learning capacity. Fluent in English and Spanish.
Senior Software Developer/Co-Founder @ •Developed the front-end applications using Ruby, Twitter Bootstrap, Stripe, and Devise and back-end using Ruby, Flex SDK, and RabbitMQ.
•Manage other developers, design architecture, and perform code reviews. From January 2014 to Present (1 year 11 months) Tampa/St. Petersburg, Florida AreaSenior Systems Engineer @ •Configure and manage development, QA, staging, and production environments hosted in the cloud
•Identify and implement opportunities for automating existing processes in order to streamline operations and support functions
•Develop capacity plans for future infrastructure needs and scale server environments to implement those plans
•Manage the promotion of code between environments using current techniques and tooling for infrastructure, deployment, and test automation From December 2013 to Present (2 years) Greater Chicago AreaSenior Developer/Senior DevOps @ •Work in the Antivirus Lab (AVLAB) and Research & Development Department, supporting a 24/7 operations environment.
•Develop and maintain solutions for collecting and sharing sample information on malicious software and files.
•Manage systems that process and share data with antivirus products, vendors, and fortune 500 clients. From August 2011 to November 2013 (2 years 4 months) Clearwater, FloridaIT Manager/Web Developer @ •Manage IT functions, spearheading PBX Asterisk installation/administration, network, and software solutions for a broker dealer and registered investment advisor company.
•Create and maintain back-office trading systems, financial applications, and frontend interfaces with ColdFusion, SQL Server, VB, and Ruby on Rails.
•Led projects and interfaced with the CEO; gathered requirements for customizations for turnkey solutions.
•Conducted hardware installation, configuration, and repair of servers and workstations; performed Linux administration and configured Apache web servers.
•Performed backup administration with Veritas and configured RAID, increasing storage reliability through redundancy; conducted disaster recovery operations.
•Planned, coordinated, and implemented network security to protect data, software, and hardware.
•Recommended and implemented web services for financial and trading transactions, creating a new application with Ruby on Rails and Ajax in under 20 days.
•Created a trading web application using RESTful web services and iPhone/Android applications, improving ranking from 15 to 7 in SmartMoney.com’s listing for 2010 top discount brokers in fewer than 6 months. From August 2007 to November 2011 (4 years 4 months) Ruby on Rails Developer @ •Managed, created and maintained backend applications created in Ruby on Rails. Managed and created Windows applications using Visual Studio 2010.
•Used C# to create, modify and maintain several applications to process video content.
•Built and maintained a Ruby on Rails web application to manage automated video processing workflows. From November 2010 to July 2011 (9 months) Lab Technician/Domain Administrator, Kendall Campus @ •Implemented and managed computers in the Business Lab, creating domain rules and policies, repairing the workstations, and maintaining equipment.
•Developed a web application to manage the print control at the business lab. From October 2006 to August 2007 (11 months) Miami, FloridaIT Manager/Developer @ •Manage IT functions, including supporting users and managing network, hardware and software for a leading industrial construction company.
•Built and maintained applications in Visual FoxPro (VFP); managed database resources. From July 2004 to February 2006 (1 year 8 months) Santo Domingo, Dominican RepublicVisual FoxPro Programmer @ •Developed, created, updated, and maintained software applications.
•Created and maintained commercial applications in Visual FoxPro. From January 2002 to August 2004 (2 years 8 months) Santo Domingo, Dominican Republic
Bachelor of Science (In Progress), Information Science @ University of Phoenix From 2012 to 2013 Associate of Science, Computer Information Systems (CIS) @ Miami Dade College From 2006 to 2008 George Estrella is skilled in: Microsoft Office, Windows, HTML, Strategic Planning, JRuby, Ruby on Rails, MySQL, Powershell, Bash, Ruby, Databases, C#
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