Drew Fierst
Verified Expert in Engineering
Full-stack Developer
Mount Vernon, OH, United States
Toptal member since December 17, 2025
Drew is a senior full-stack engineer and software architect with over 25 years of experience designing, building, and deploying enterprise applications across healthcare, finance, education, and Fortune 500 environments. Drawing on extensive technical expertise, Drew modernizes legacy platforms and designs secure, scalable cloud-based solutions. He leads Agile teams through high-impact development cycles, delivering reliable systems and measurable business outcomes.
Portfolio
Experience
- C# - 20 years
- JavaScript - 20 years
- CSS - 20 years
- ASP.NET - 20 years
- Entity Framework - 16 years
- ASP.NET Web API - 15 years
- TypeScript - 10 years
- React - 8 years
Preferred Environment
Windows, Visual Studio, Visual Studio Code (VS Code), React, Entity Framework, Microsoft SQL Server, JavaScript, TypeScript, C#, Git
The most amazing...
...solution I've built is Falcon, a training tool for the Federal Aviation Administration (FAA) that replays air traffic in a defined geographic region over time.
Work Experience
Software Architect and Technical Lead
Logical Imagination Group LLC
- Architected and delivered enterprise systems supporting more than 2,000 daily users across healthcare, finance, and education.
- Designed multi-tenant, cloud-based architectures using .NET Core, Azure, and SQL Server, ensuring uninterrupted availability and scalable security.
- Modernized legacy applications, improving performance by 30 – 60% and reducing infrastructure costs.
- Drove multi-developer teams, established coding standards, and accelerated delivery velocity through Agile practices.
Senior Full-stack Developer
Logical Imagination Group LLC
- Developed an enterprise application to track circuit board testing projects—from sales pipeline to final reporting and billing—using .NET, C#, Microsoft SQL Server, and modern JavaScript frameworks.
- Implemented Microsoft SQL Server performance optimizations in automated ETL processes, achieving 40% faster data processing.
- Implemented APIs and middleware to ensure secure, efficient enterprise data exchange for a large commercial truck insurance company.
- Delivered technical training to technical teams at Mayo Clinic, Cisco, Wells Fargo, and TekSystems.
Full-stack Developer
Logical Imagination Group LLC
- Designed and implemented CRM, ERP, construction management, and workflow automation systems to streamline operations.
- Developed healthcare content management and scheduling applications to support clinical operations.
- Built a time and attendance platform supporting over 10,000 users across multiple nonprofits, improving workforce tracking and efficiency.
- Modernized Blue Cross Blue Shield data analysis workflows, delivering the project ahead of schedule and under budget.
Experience
Healthcare CRM and Workflow Platform
Time and Attendance System
Education
Postgraduate Coursework in Mathematics
Purdue University - West Lafayette, IN, USA
Bachelor's Degree in Mathematics
Saint Mary's University of Minnesota - Winona, MN, USA
Skills
Libraries/APIs
React, Entity Framework, Node.js, jQuery
Tools
Visual Studio, Git, Microsoft Copilot, PyCharm
Languages
JavaScript, C#, CSS, HTML, SQL, CSS3, HTML5, TypeScript, Visual Basic, Python, Pascal
Frameworks
ASP.NET, .NET, ASP.NET Web API, ASP.NET MVC, Express.js, Angular, Redux, Blazor WebAssembly, Bootstrap
Platforms
Windows, Visual Studio Code (VS Code), Azure
Storage
Microsoft SQL Server, Azure SQL, SQL Server Integration Services (SSIS)
Paradigms
Agile
Other
Web Development, Full-stack Development, Vite, API Integration, eCommerce, Payment Gateways, Abstract Algebra
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