●Optimized database operations handling billions of rows, achieving up to a 700% improvement in performance under heavy workload conditions.●Design and built infrastructure as a code using terraform●Lift and shift/migration or a NET 4.5 app to .NET Core using docker containers ●Designed and developed new functionalities to meet evolving business requirements.●Introduced and implemented modern design patterns and best practices to enhance and refactor legacy code.

●Developed and integrated new components for a mobile application using React Native, enhancing functionality and user experience.●Collaborated on optimizing and maintaining React Native codebase for performance and scalability.●Troubleshoot and resolve issues in CI/CD pipelines, ensuring seamless deployment processes.

●Designed and implemented a distributed microservice architecture using Docker, Azure Functions, Azure Web Sites, and Azure Container Registry.●Led the engineering team as the Senior Software Developer and Architect, guided team efforts, ensured adherence to best practices, and fostered cross-functional collaboration.●Implemented CI/CD pipelines using Azure DevOps, reducing deployment. Automated build, test, and release processes to streamline development cycles.●Served as the technical lead for the entire solution

●Designed, developed, and deployed multiple Background Services and Web APIs aligned with business requirements to ensure efficient and reliable operations.●Maintained a diverse portfolio of in-house applications across various technologies, including ASP.NET Web Forms, ASP.NET MVC, React, Background Services, and Web APIs●Proposed architectural improvements and actively advocate for the adoption of enhanced coding standards to elevate code quality and development practices company-wide.

●Developed a Quotation Automation Platform to centralize and streamline client quotation management for upper management●Designed and built a new version of the existing Warehouse Management Module to support inventory management●Improved overall operational efficiency by modernizing tools and workflows for inventory and quotation handling.

●Work hand to hand with Vision web, the largest Eye Care Practice Management software vendor in the USA, to solve production critical bug s and the development of new components.●Implemented new application requirements using the company’s proprietary language, ensuring alignment with business needs.Resolved numerous bugs in the proprietary application platform, improving system stability and user experience.●Developed a Log Explorer to enhance log readability by building an MVC application with filters and pagination, leveraging regular expressions to extract information from unstructured text-based log files.

●Design and develop a clean architecture based solution, using Natural Processing Language and Web Scraping, with Python, Azure Cognitive Services, Bing Search API andOpenNLP Libraries.●Setup on cloud environments for charting/bi solutions like CDATA and Sisense. Design and develop charts on a variety of JavaScriptcharting /bi tools such as PowerBi, Sisense, Cdata, FlexMonster, ApexCharts, Highcharts, and others.Technologies/Platforms used:Git, TFS, C#, MSSQL Server, Web Services,WCF, Web Api ,XML, JSON, ASP.NET Core 3.1, Mongo DB, ExpressJS, NodeJs, Python

●Integrated the company’s ERP (Infor LN) with routing software (UNIGIS) to optimize distribution routes, resulting in annual savings exceeding $100K on freight and distribution costs.●Collaborated as part of a select IT team to implement the company’s ERP system in its Colombia branch, ensuring a smooth transition and system alignment.●Designed and implemented a Clean Architecture solution to integrate new Microsoft Dynamics-based POS (LSRetail) modules with ERP modules, including Sales Orders, Bill of Materials, and Inventory Stock Management.●Developed a Telegram Bot to automate repetitive tasks, such as restarting Windows services and executing ERP-related functions, significantly improving support team response times.●Resolved various database issues by tuning queries, implementing proper indexing, and partitioning, effectively eliminating locks and improving overall database performance.

●Achieved a 100% success rate for 12 consecutive months on critical regional software updates with no rollbacks, showcasing the strength and cohesion of a small, dedicated team.●Designed and developed revamped MVC versions of existing Web Forms Backoffice applications to modernize and enhance functionality.●Resolved bugs across nearly 60 applications (MVC, WCF Services, Web APIs) supporting six countries, each with unique business rules, ensuring system reliability and compliance.●Identified and resolved critical database issues, eliminating locks and boosting performance by 30% on a highly transactional database through query tuning, indexing, and partitioning.

Design and development of the new National Lottery POS. The National Lottery of Nicaragua needed to update their legacy software to a more modern and versatile technology. ●Led and oversaw the full lifecycle of the National Lottery POS●Optimized several business process up to 80% faster, such as tickets traceability, tickets classification and closed many potential security risk converting manual procedures to automated ones●Designed and developed a database capable of handling hundreds of millions of rows, applying SQL Partitioning, Proper Data Types, Proper Indexes, and File Groups●Designed and implemented a Multi-Master SQL Merge Replication Schema to ensure every branch could operate offline●Designed and developed an extensible role-based Authorization System, suitable for future developments

I was part of a team responsible for developing the SIMEP ( Sistema de Información, Monitoreo y Evaluacion de Proyectos), financed by the InterAmerican Development Bank for the Nicaraguan Institute of Housing (INVUR)I was part of a team responsible for developing the SIMEP ( Sistema de Información, Monitoreo y Evaluacion de Proyectos), financed by the InterAmerican Development Bank for the Nicaraguan Institute of Housing (INVUR)Outsourcing for Airpak Western Union. / Grupo Coen

I was part of a team responsible for developing the Airpak Point of Service , a remmitance management software to provide financial services such as remittance and money exchange, in Mexico and Central America.I also helped to develop and gave support for the Backoffice Platform , and Airpak BillPayment Software , used in México and Central America.