Designed and implemented Backend solutions using .NET with C# and SQL Server tables for the translation module, and Frontend with ASPX and Angular. Developed the output for reports with flat files to functionality for the flow in different internal applications. Developed Microservices and Web Services with C# and SQL Server to intercommunicate between internal transactions. Developed pages to create and maintain accounts.

Developed a cross-platform web app using React Native (TypeScript) and C# backend, integrating Hexagonal Architecture with SOAP services (Nodum), SQL Server, and Azure DevOps. Designed a weekly hour-charging module with a strong focus on UI/UX for clear and efficient time input. Built a daemon service to synchronize data between Azure DevOps and SQL Server, ensuring consistent and up-to-date information.

Designed and implemented microservices in C# for scalable and secure API integrations, improving transaction processing time by 20% in enterprise environments. Developed a custom IDE in the terminal using Nvim, implementing functions in Lua.

Developed the RPA application using Selenium with C# scripting, which reduced response time by 50% and improved user satisfaction. Developed a chatbot for Teams, Web, and WhatsApp versions, using Artificial Intelligence implemented with LUIS and QnaMaker as a training model, and registering these answers in a SQL Server database developed with C# and .NET Framework 6, deployed and managed with Azure, which helped to solve questions related to the University. Developed microbus services with C# using Docker, optimizing its performance, providing functionality to its other applications. Designed the Hexagonal architecture and developed for Signatures Registers Web Application, using Oracle 12c and Node.js 12 with Express for REST API with NPM 6.14 in Backend, and Angular 12 for Frontend, to help optimize the activities for registers for its workers.

Developed the Sica Web Application, working in the development team with Scrum, implemented a Hexagonal Architecture with Java RichFaces in frontend and Java Spring Boot in backend with Oracle 11g database, microservices with SOAP, reporting with Jasper Reports. This helped extension workers to register their educational work more effectively and giving greater satisfaction to senior management, being reflected in the reports, boosting the Juan Valdez Brand. Developed the invoice sending module implemented with Java 1.8 using Java Spring Boot in backend and Java PrimeFaces in frontend, with Oracle 11g database, applying the transfer of invoices with the PGP encryption method to an SFTP server for the IGEC (Government Incentive for Coffee Equity) application. This achievement helped the company to control with a higher level of security and automatic management of the process for its invoices. In the final process, generated a plain report that was used by Jasper Reports to help the high manager track the number and average of invoices by day. Developed the module for deleting Agendas of the Tasting Bar application, using Oracle Database 11g, and Java JDK 1.8, Java PrimeFaces for front-end and Java Spring Boot for back-end; and architected a design pattern with View Controller Model, Data, and Services, which helped the company to better manage the agendas programmed during the Cupping event worldwide. Reviewed quality standards for code and supported in the development for modules in Node.js with React Native, Oracle database and microservices in REST API with Express, for the Sica Web reengineering application, in which it served with the continuity of development with stable quality standards for this application. For Falabella Bank, developed the Campaign Manager application, using C# .NET language, accompanied by MVC, with Framework 4.5 and Oracle 11g database, in front-end side; combining Razor and Node.js 8.9 with Angular 6, speeding up the registration of its campaigns in an agile way using a more friendly and minimalist interface with the user. For ETB (Bogotá Telecommunications Company), developed the login module 'mietb' in Java JDK 1.8 using the APIs of Facebook, Twitter, and Google for the Social Network Sign Up to this portal, so users can register and/or enter more easily and quickly through their favorite social network. For Santander Bank, designed the MVC architecture and developed with PHP language and MySQL database the Incident Registry application, helping to manage technical incidents assigned to each of the bank's technology workers.

Developed the Sica Web application applying a Hexagonal architecture implemented with Java RichFaces in frontend and Java Spring Boot in backend with Oracle 11g database. This application helps manage massive amounts of information, approaching nearly a million daily records related to farms, coffee growers, and educational activities. It has significantly improved decision-making processes for senior management through its reporting capabilities, boosting the Juan Valdez Brand, leading to increased satisfaction.

For Client SABMiller, developed stored procedures in SQL Server 2012 for data integration between ETLs and jobs for the Avatar application for its KPIs, helping to improve e-commerce decision-making for Colombia, El Salvador, Peru, and Ecuador. Also helped to reduce the response time of some stored procedures from 10 hours to 5 minutes by tuning the database, improving joins in queries, and applying strategic indexes.

For Client Biomax, developed the dynamic reports' main queries using DB2 database in the SAP CLM application, helping better manage contracts and procedures for the company. For Client Claro, designed and developed the architecture of the Requirements Administration application with C# language, .NET Framework 4.0, Ajax ToolKit 4.1 library, and Oracle 11g database, using a model of data, business, and presentation layers, which allowed it to efficiently manage the different technical requirements. For Client Oleoductos del Llano, designed the architecture and developed the Purchasing application for the company, with .NET C# language, Framework 4.0, and SQL Server using MVC Web Application development pattern. For Client Federación Nacional de Cafeteros de Colombia, developed custom solutions for issues during the migration from SAP version 7.0 to 7.3 in the Purchasing and Sales system using Java, and implemented the graphical interface for validations with JavaScript. This helped improve transaction speed and optimize security. For Client Federación Nacional de Cafeteros de Colombia, developed the PIC (Government Aid to Coffee Grower) project with Java and Oracle 11g database, using Spring Framework in backend, RichFaces in frontend, Jasper Reports for reporting, and OWASP for identification of vulnerability inconsistencies. This project allowed for a more agile registration and monitoring of the aid that coffee growers received from the government at that time.

Developed with .NET VB language with ASPX, Framework 2.0 and SQL Server 2008 Database for EPS authorization, air tickets, and Assigned Appointments modules in the Heon Medical Application for Saludcoop, Cruz Blanca, and CafeSalud. This helped with the massive data volume transactions of the affiliates, reaching close to 2 million daily.

For Client Cali Mayoralty, developed together with Brazilian Company Imagetec, the BPM application with Java, Jython, and SQL Server 2005 Database and design of their internal processes, and translated the technical document from Portuguese to Spanish. For Client Cámara de Comercio de Bogotá, designed the architecture and developed the agro-management application with PHP language and MySQL database. For Client Granahorrar Bank, developed the Referencing System application in .NET VB, with Framework 1.1 and SQL Server 2000 database. For Client DANE (National Department of Statistics), developed the statistics applications in PHP and MySQL to capture information for these statistical indicators: EDIT (Technological development and innovation survey), MMM (Monthly Manufacturing Sample), EAS (Annual Services Sample), MMS (Monthly Services Sample), MTS (Quarterly Services Sample), IPP (Producer Price Index). It managed to capture in record time the information of the different Colombian companies, achieve a better understanding of their reports to senior management. With this indicator, it helped other companies measure their standard qualities in Colombia, and send true and real-time results to the different mainstream media.