I am a systems and informatics engineer with more than 20 years of experience in software development, systems analysis, quality assurance, database management, and technical support. My background spans private companies and public-sector institutions in Ecuador.
I specialize in manual and automated software testing, including API testing with Postman, automated testing with Playwright, test-case design from user stories, functional testing, and CI/CD pipeline execution through Azure DevOps.
I have hands-on development experience with PHP, Laravel, CodeIgniter, ASP.NET, C#, Visual Basic, Java, JavaScript, HTML, CSS, jQuery, and Python. I have also developed web systems, CRUD applications, mobile application updates, e-learning platforms, and inventory and human resources solutions.
I work extensively with relational databases and reporting platforms, including SQL Server, MySQL, Oracle, PL/SQL, Power BI, and Qlik Sense. My experience includes query optimization, ETL development, database replication, stored procedures, and dashboard creation.
I have coordinated electoral processes, led work teams, supported institutional systems, prepared activity reports, and delivered nationwide training. I value professionalism, teamwork, planning, problem solving, sound decision-making, and continuous improvement.
I hold ITIL Foundation certification and have intermediate English proficiency. I am interested in contributing my QA, systems analysis, automation, and software development experience to organizations that value reliable and high-quality technology solutions.
Performed manual testing and API testing using Postman for e-commerce systems.
Created test cases from user stories, executed automated tests with Playwright, integrated testing activities with Azure DevOps, and ran CI/CD pipelines.
Performed manual testing for systems supporting electoral processes.
Tested the STPR results transmission and publication system and the fine-management system for MJRV members.
Developed software using Visual Basic 6.
Worked with SQL Server databases to support application development and maintenance.
Modified label-management systems built with PHP, Laravel, MySQL, and JavaScript. Updated iOS and Android applications for viewing standards and regulations, using C#, jQuery, and SQLite.
Provided support for metrology, invoicing, and electronic mailbox systems built with CodeIgniter, PHP, and MySQL. Developed a standards CRUD system with Web API, Entity Framework, ASP.NET, and SQL Server; performed functional tests; managed Git version control; and administered the FORMA online learning platform.
Developed an e-learning system using PHP, JavaScript, HTML5, CSS, jQuery, MySQL, and Python.
Modified an ASP.NET maintenance system, performed functional testing, and administered a WordPress platform.
Developed and optimized SQL Server queries and modified ETL processes for database information extraction.
Updated a C#, HTML5, CSS, and jQuery web application using SQL Server 2012. Produced reporting and dashboards using Power BI and Qlik Sense.
Managed electoral processes including general elections, popular consultations, and electoral colleges. Administered electoral IT systems for vote counting and MJRV payments.
Coordinated teams for information gathering, executed functional testing of institutional systems, prepared activity follow-up reports, and delivered nationwide training on electoral processes.
Administered a Drupal website and worked with Qlik Sense, Power BI, advanced Excel, and VBA macros.
Developed human resources software with Visual Studio, C#, Web API REST, and Entity Framework. Modified barcode-reader software and developed an inventory and order-entry website using PHP, MySQL, JavaScript, CSS3, HTML5, Apache, and Python.
Developed software using Visual Basic .NET, C#, and Java.
Worked with SQL Server, MySQL, and Oracle databases.
Developed requirements using Visual Basic .NET and C#. Modified point-of-sale software to comply with SRI invoicing requirements.
Created procedures, jobs, and snapshots for replication from plants and branches to a central database. Supported Oracle 10g and Visual Studio .NET POS systems, used Toad for replication monitoring, and supported Microsoft Business Solutions Great Plains.
Created tables, views, stored procedures, and users in SQL Server 2000, and supported databases with Enterprise Manager.
Provided support for the CADILAC point-of-sale system built with PowerBuilder 8, as well as internet and email services.
Developed web pages using HTML, PHP, JavaScript, and MySQL.
Developed and supported applications using Visual Basic 6.0 and SQL Server 2000, and used ArcView for geographic location tasks.
Developed web pages using HTML, ASP, and SQL Server 2000.
Developed and maintained applications using Visual Basic 6.0 and SQL Server 2000.
Engineer, Systems and Informatics
Degree in Systems and Informatics Engineering.
High School Diploma, Physical Mathematics
Technical secondary education in physical mathematics.
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