DARRELL VINSON
********@*****.***
Summary
Senior Full-Stack professional with 20+ years of experience delivering robust, scalable enterprise solutions as a permanent employee or consultant. Expert in the modern .NET Core ecosystem, utilizing C# and VB.Net, with a focus on application refactoring, large-scale automation, and secure data management. All work completed in the Latest versions of Visual Studio. Proven expertise includes complex data integration (ETL), managing Microsoft SQL Server and Oracle environments, and accelerating the Software Development Lifecycle (SDLC) through Agile methodologies.
Education
Bachelor of Science in Computer Information Systems
University of West Florida / Pensacola, Florida,
May 1995, GPA: 3.6
Currently learning Exploring Generative AI through Pluralsight.com December 2025 - present
Technical Skills
●C#, VB.NET, T-SQL, JavaScript, Python, Node.js, HTML5, CSS3
●.NET Core, .NET Framework, WPF, WinForms, OOP, Visual Studio (all versions) WCF API's, Full-Stack Development, MVC, MVVM
●Microsoft SQL Server, Oracle, Stored Procedures, Functions, T-SQL, DDL/DML, ETL, Database Design, Data Migration
●Git, GitHub, TFS, Visual Studio, Jira, Agile Methodologies, and Requirements Gathering
Experience
Consultant / Software Developer / ARF Financial Remote,
June 2024 – September 2024
Developed diagnostic C# WinForms and console programs that automatically scanned legacy VB.NET source code looking for hard-coded values to log the locations of.
Consultant/Developer / Elixir Solutions (now Birdi) Remote,
March 2023 – April 2024
Developed and deployed robust C# (.NET Core & WinForms) ETL applications using Microsoft Visual Studio, managing the full Agile SDLC—from requirements gathering and technical documentation to functional testing—for processing complex drug formulary data into a normalized SQL Server database, including a user-friendly drag-and-drop mapping interface.
Web Developer II / Insurance Administrative Solutions (IAS) Clearwater, Florida,
July 2018 – March 2023
Developed and deployed robust software solutions across the full stack, utilizing C# and .NET Core to automate and streamline critical database operations and legacy application functionalities, resulting in 100% reliability for data synchronization and a 75% reduction in manual configuration time. Included engineering C# WinForms applications for dynamic reporting and legacy automation, enhancing front-end user experience on ASP.NET websites using Ajax and VB.NET, and maintaining secure WCF services to ensure data integrity and compliance standards within SQL Server environments.
Software Developer / Pilgrim Quality Solutions Tampa, Florida,
May 2017 – June 2018
Integrated client data into SQL Server databases by designing and developing C# software to consume external WCF API services. Worked with external clients to strategically map data fields and ensure seamless, high-volume data migration into Pilgrim’s enterprise quality management systems.
Programmer/Analyst IV / HealthPlan Services Tampa, Florida,
July 2016 – March 2017
Developed and scheduled C# WinForms and console applications to automate complex business processes, minimizing manual system interaction. Created dynamic Excel spreadsheets using VB.NET and SQL Server for real-time reporting, and integrated C# data structure classes into existing VB.NET solutions, improving code modularity and maintainability.
Programmer/Analyst IV / Coca-Cola Refreshments Brandon, Florida,
February 2014 – March 2016
architect and engineered robust full-stack enterprise solutions across WPF, WinForms, and WebForms, managing all layers from client interfaces to the dedicated SQL Server database architecture. Mentored junior developers and authored comprehensive technical documentation, ensuring effective knowledge transfer and adherence to best practices throughout all phases of the development lifecycle.
Programmer/Analyst III / Geographic Solutions Palm Harbor, Florida,
October 2011 – February 2014
Spearheaded the development and managed the weekly rollout of system updates for a state-level Labor Management Information platform utilized across multiple states, ensuring seamless deployment and data integrity. Also optimized application performance by resolving complex issues related to ViewState management and large SQL Server datasets, which led to faster page load times and reduced end-user errors. Finally, developed new features for the Labor Data Analysis system, incorporating robust role-based authorization (RBAC) for enhanced application security.
Senior Programmer/Analyst / Catalina Health Resource Saint Petersburg, Florida November 2001 – July 2011
Developed and scheduled C# WinForms and console applications to automate complex business processes, minimizing manual system interaction. Created dynamic Excel spreadsheets using VB.NET and SQL Server for real-time reporting, and integrated C# data structure classes into existing VB.NET solutions, improving code modularity and maintainability.
Referrals and more Job History upon request.