Harold Ortega Pérez Email & Phone Number

Escazu, Cr

Costa Rica

Systems Architect, I have been responsible for designing and guiding the implementation of Client-Server applications based on modular components by tiers. Java v8-23 (Sockets, WS, JavaFX & PrimeFaces JSF), Angular, Android, Linux Servers, MySql/MariaDB, AWS Services and Linode resources are usual tools used in the developed technologies.Development of mobile applications on Android to support sales tasks, inventory taking and other processes. Software development, security, networks (from cabling, wireless configuration, routers, firewalls) and Linux servers configuration are part of my job when a solution is designed.Implementing solutions for customers based on Android, WordPress, Linux, C, Java, JavaFX, Java Web Apps and Web Services, Angular, MySql/MariaDB, PHP, Apache, AWS Services, Linode, PrimeFaces and others.

Costa Rica.

New systems generation in the Architecture Dept (2016 - Today):-----------------------------------------------------------------------------At the end of 2016, I left the Scrum Master & Team Lead position and started to work in the new Architecture Department. In my new position I worked in the team responsible for implementing in the new RADs technologies acquired by the company (Mendix Platform). Today, I am leading the development of the next generation of systems in the company with Angular, Mendix/Java, TIBCO BW and AWS Services (EC2, AWS Elastic Beanstalk, Lambda & Step Functions, S3, Redshift, VPCs), Salesforce, Python and others.As a Team Lead & Scrum Master (2012-2016):-----------------------------------------------------------------------------Promoted to Team Lead and Scrum Master, I was in charge of six people in the team. Supervising and improving the technical work of the development team were part of my responsibilities then.Projects related to the Prequalification and Underwriting process of the company, a Sales and Merchants Portal on Internet for supporting the Cash Advance or Loans process and the development of a Calculator to handle the financial risk of the sales were some of the main projects that I had a that time. Some of these projects were built using Sql Server, VB & C# .NET, Silverlight MVVM, MVC, WCF technology and PHP - Apache - MySql.The major challenge: the Merchants Portal was a project with a very aggressive deadline and It was completed successfully. I had under my supervision a total of 11 developers in the team. As a Senior Application Developer in Development Department (2008-2012):-----------------------------------------------------------------------------Development and support of financial and administrative systems for the sales force, commissions and workflows. ASP .NET + VB + Ajax and PHP were the main used tools in this period.

San José, Costa Rica.

University Professor during 6 years.C, Java, Operating Systems, Databases (SQL), Security, data structures and algorithms were some of the courses that I was in charge of.I was responsible for redesign C and Java courses. Some of them were theoretical courses, other were laboratories or practical courses.

Responsible for the company's resources management in the IT area.Software development. The most important project: an application for managing the inventory, materials explosion and purchase orders using Java SE.Linux servers and network management including the security (using IPTables, Squid, File System security administration, OpenVPN, Automated Scripts for Backups, etc).

San José, Costa Rica.

Software Developer for Hand Helds systems using Java and VB .Net Compact Framework.