Senior.NET Consultant - Freelance at Independent Contractor (2026-02 – Present)
- Delivered application development and modernization services across 10 client engagements, upgrading.NET web applications and APIs to.NET 9/10, optimizing SQL and Entity Framework queries, and enhancing React, Angular, and HTML-based user interfaces.
- Architected and developed a C# and WinUI 3 application for a legal-services client using the OpenAI API (Model 5.6 Sol-High) to analyze legal documents, identify parties and key dates, summarize content, and generate structured review reports. Automated PDF generation and email delivery, reducing document-review turnaround time by approximately 75%.
- Architected and developed a C# and WinUI 3 AI-agent news-monitoring application for a Mexican government organization, streamlining research performed by a 15-person team and producing consolidated reports in 12 minutes. Built with Microsoft Agent Framework, the OpenAI API (Model 5.6 Sol-High), and custom tools to search and analyze 18 news websites, with capacity to scale to 30 domestic and international sources. Configured the organization's OpenAI account and advised stakeholders on token usage and API costs.
Sr. Application Developer - Contract at Southwestern Companies Inc (2025-11 – 2026-01)
- Delivered a time-sensitive ASP.NET MVC and Angular 18 feature within days of receiving finalized requirements, refining backend logic, UI data binding, and SQL Server workflows.
- Improved API and SQL Server data-access performance by 50% over the previous implementation through backend and query optimization.
- Developed and updated stored procedures and supported testing and releases through Scrum-based Azure DevOps CI/CD workflows.
Sr. Application Developer / Software Architect - Contract at Confidential Grocery Retail Client (2025-01 – 2025-11)
- Architected and developed a multi-store Point of Sale platform supporting 4 grocery locations, approximately 800 daily receipts per store, and 50 staff.
- Implemented core retail workflows including product management, stock control, sales processing, receipt generation, daily/monthly/yearly receipt management, and staff access control.
- Built a fast, responsive Blazor WebAssembly and MudBlazor user interface designed for daily retail workflows and high-volume store operations.
- Developed the backend using ASP.NET Core REST APIs, Entity Framework, SQL Server, and ASP.NET Identity to support secure data access and business rules.
- Hosted and deployed the platform on Azure using Azure App Service, Azure Static Web Apps, Azure SQL, and GitHub Actions CI/CD pipelines.
Founder & Lead Software Engineer - Self-employed at StockPlex (2023-12 – 2024-12)
- Designed, architected, and developed StockPlex as the primary hands-on engineer, taking the Windows 11 desktop application from product concept through implementation.
- Built the user interface with WinUI 3 and implemented responsive multitasking workflows using asynchronous programming, Task-based operations, background processing, and multithreading.
- Integrated real-time and historical stock-market data from Polygon.io, Financial Modeling Prep, Finnhub, and Twelve Data using REST APIs, WebSockets, and JSON, supporting concurrent monitoring of up to 650 stock symbols.
- Connected the WinUI 3 client to Azure-hosted backend services, Azure SQL, and SignalR to support authentication, user administration, subscription and billing workflows, cloud data persistence, and real-time communication.
Sr. Application Developer - Full-time at SurePrep - Thomson Reuters Inc (2022-09 – 2023-12)
- Modernized the SaaS-based TaxCaddy platform by replacing its previous web services with REST APIs, improving performance, maintainability, and scalability.
- Engineered a business-critical OpenXML component that extracted customer tax data from Excel files, transformed it into JSON, and submitted it through REST APIs at high request volumes, reducing processing time by at least 50% over the previous implementation.
- Managed development tasks, Scrum activities, NUnit testing, and release validation through Jira to support reliable production releases.
Sr. Application Developer - Contract at MedImpactDirect LLC (2021-06 – 2022-08)
- Enhanced business-critical medication-tracking applications used by thousands of users, optimizing C#, JSON, WCF and REST APIs, and microservices to improve performance, responsiveness, and service reliability.
- Increased data-access efficiency by optimizing Entity Framework, LINQ, and SQL queries, accelerating application workflows and improving the user experience across medication-management operations.
- Supported HIPAA-compliant application delivery by managing CI/CD pipelines and deployments in Azure DevOps, ensuring controlled, reliable releases while minimizing disruption to critical healthcare services.
Sr. Application Developer / Software Architect - Freelance at Independent Contractor (2020-01 – 2021-05)
- Delivered freelance software solutions for 15 clients during the COVID-19 pandemic, supporting business continuity through custom application development.
- Built data-driven web applications and API integrations using HTML, CSS, ASP.NET MVC, Web Forms, and Entity Framework with optimized SQL access, deploying to Azure Cloud Services with Azure SQL Server and IIS to ensure reliable hosting.
- Integrated Salesforce and SAP CRM platforms through custom application interfaces and automation logic, enabling seamless cross-system data flow.
Sr. Application Developer - Full-time at Molina Healthcare Inc (2016-06 – 2019-12)
- Modernized and optimized business-critical healthcare applications used by thousands of users, improving response times, data-processing efficiency, reliability, and user experience across C#, WCF and REST APIs, Entity Framework, LINQ, SQL, JSON, XML, EDI.
- Migrated legacy VB.NET and Web Forms functionality to C# and MVC, delivering a more maintainable application architecture and faster, more responsive workflows using AngularJS, JavaScript, jQuery, AJAX, HTML, and CSS.
- Engineered integrations with RightFax, Laserfiche Server, Google Apigee, and RetinaVue Server, using RS-232 and TCP/IP communication to automate data exchange between healthcare applications, medical equipment, and enterprise platforms.
- Supported HIPAA-compliant testing, deployment, and production releases using Postman, IIS, and Azure DevOps, resolving issues across APIs, databases, equipment integrations, and front-end components to maintain operational continuity and release reliability.
