I'm a Full Stack Engineer building internal platforms and business applications with React, .NET, and SQL.

My background spans frontend development, backend APIs, database design, and production-style architecture. I enjoy building software that helps teams monitor operations, automate workflows, and turn data into useful information.

A production-style platform for monitoring transactions and supporting payment operations workflows.

Stack

Next.js • ASP.NET Core • PostgreSQL • Azure

Highlights

• Built APIs for merchants, transactions, and analytics
• Designed dashboard views and investigation workflows
• Implemented filtering and KPI reporting
• Structured the application using production-style architecture and CI/CD practices

Modernized an existing application to improve maintainability and deployment reliability.

Stack

RedwoodJS • React • TypeScript • Vite

Highlights

• Upgraded framework versions and tooling
• Refactored frontend architecture and styling
• Resolved deployment and build issues
• Improved long-term maintainability

REST API demonstrating backend architecture and domain modeling.

Stack

ASP.NET Core • Entity Framework Core • SQL Server

Highlights

• Designed resource-based endpoints
• Modeled relational data structures
• Applied layered architecture principles
• Implemented clean separation of concerns

Interactive gallery application focused on responsive design and user experience.

Stack

React • JavaScript • CSS

Highlights

• Built slideshow and lightbox functionality
• Implemented responsive layouts
• Focused on usability and state-driven interactions

• Expanding the Payments Operations Platform with production-style workflows
• Strengthening system design and architecture skills
• Building projects that simulate real business applications

🌐 Portfolio https://keithresume.vercel.app

💼 LinkedIn https://www.linkedin.com/in/keithgaines