Created a software for a retail customer with more than 500 stores from El Salvador and some latin american countries. I work with a great team 10 colleagues on average. We have deployed two releases since we started.

We use software development as a tool to solve business problems for local companies through automation of different processes as they need. This is a project-based service I offer as freelance. Achievements:• Created billing software that runs in 100+ companies which integrates legacy software to generate and distribute electronic bills following the local government standards.• Improved business processes for many companies in industries like retail, banking, insurance, government, logistics, etc. for more than 10 years.• Offered services to companies with up to 2k employees.• Successful integrations with legacy software and SAP BO.• Guaranteed software availability that helped businesses protect their assets and their operations.• Offered different software solutions like web design, branding, hosting, as service integrators.• Led small project-based teams to compliment my services.Current Stack:• Frontend: ASP.NET MVC with .NET 8, React, React Native, Bootstrap.• Backend: Web API with .NET 8.• Databases: SQL Server, Postgres, MySQL, SQLite, Azure SQL Database, • SQL Server Integration Services (SSIS)• Azure App Service, Azure Database Migration Assistant• Git, TFS, VisualSVN

Remote company from Massachusetts, working with teammates from different countries around the world. All clients are from the USA.Achievements:• Performed Technical Team Lead and Senior developer roles in small teams.• Successfully deployed production versions for six different projects.• Provided consulting for two projects.• Improved integrations with different APIs like Shopify and ChatMeter.Stack:• Backend software development with .NET 6.0 and SQL Server 2019/Postgres.• Frontend software development with ASP.NET MVC Core, React, Nextjs.• HIPAA compliant software development.• Web API, ASP.NET MVC.• Azure SQL Database• Azure Database for PostgreSQL• Azure App Service• Azure DevOps• Azure Content Delivery Network• AWS Simple Email Service• AWS Simple Storage Service• AWS Elastic Beanstalk• AWS API Gateway• Git, TFS

• Successfully deployed a first version of scientific production management software.• Successfully created a business process tracking system that can be reused in different modules to support different processes across the institution.• Initial phase of physical assets software.• Proudly represented the IT department in the elaboration of the institutional strategic plan for 2022-2026.• Advised infrastructure department to fix architecture problems related to a critical third-party software to improve user access by 5x.

Achievements:• Successfully deployed many versions of the insurance policy management software.• Successfully improved and deployed many software products.• Second-level support to production environment software.• Quality assurance to software developed by contractors.• Integrated different software products between SQL Server and Oracle through Integration Services.Stack:• Winforms, WCF, ASP.NET MVC• SQL Server, Oracle• SQL Server Integration Services (SSIS)

Achievements:• Provided database administration support and monitoring of +80 Sybase databases and 2 SQL Server databases, both in high availability scenarios.• Provided support to the other DBAs of my team.• Provided data center access control and monitoring.• Supported the data center during the 2016 earthquake.• Web server monitoring (Apache web server).Stack:• Sybase, SQL Server

Oversaw project management and software development in a marketing entrepreneurship where we offered racing simulators for below-the-line marketing services.Achievements:• We participated in many events across our country including Campus Party Quito 2012 and Yaguarcocha races.• Developed and deployed software that automated operations for our simulators.• Managed budget and negotiation parameters to adjust the service to what clients needed.• Analyzed data from our simulators to adjust strategic decisions.Stack:• C# 2010 Winforms, Windows Services, Postgresql

Achievements:• Worked as assistant professor teaching software development to civil engineering students using Matlab for 6 semesters.• Worked as assistant professor teaching open-source tools to high school teachers in two different periods.Stack:• Matlab

Achievements:• Offered tech support for small companies.• Developed software for big companies like Cervecería Nacional.Stack:• ASP.NET MVC 3 and 4• SQL Server 2008

Achievements:• Successfully developed critical improvements to the software of Banco del Barrio, the flagship product of Banco Guayaquil, the second largest bank in Ecuador.Stack:• .NET Winforms and .NET Compact 2008• SQL Server 2008.

Achievements:• Successfully created billing software as freelancer then joined the company as full time employee, where I helped them expand their customer base for a specific service regulated by the government for insurance companies.• The software was deployed in more than 300 point-of-sales across the country and used successfully.• Performed database development and basic administration on a low workload environment.Stack:• .NET Winforms• Db4o• Postgresql

Achievements:• Worked as a junior developer in an American company from Chicago.• Created a tool that upgrades XML config files that vary from customer to customer, and that tool upgraded the XML files using XSLT and SQL XML to migrate one XML to another. • Created highly functional setup projects with Installshield. Stack:• .NET Winforms 2005• Infragistics• InstallShield• SQL Server 2005• TFS

Achievements:• Worked as a junior developer in an American company from Chicago.• Created a tool that upgrades XML config files that vary from customer to customer, and that tool upgraded the XML files using XSLT and SQL XML to migrate one XML to another. • Created highly functional setup projects with Installshield. Stack:• .NET Winforms 2005• Infragistics• InstallShield• SQL Server 2005• TFS