Nick S.

I am a Full Stack Developer with experience building enterprise applications, business systems, web platforms, and APIs using C#, .NET, DevExpress XAF, React, Next.js, JavaScript, TypeScript, PHP, and FastAPI. I specialize in developing end-to-end solutions - from database architecture and backend APIs to modern front-end applications and cloud deployments. My experience includes creating CRM systems, rental management platforms, membership systems, business automation tools, and custom enterprise applications. _________________________ Technical Expertise Backend: C#, .NET Framework, .NET Core, ASP.NET Core, REST API Development, FastAPI (Python), PHP, Authentication & Authorization, Background Services, Workflow Automation. Frontend: React.js, Next.js, JavaScript, TypeScript, HTML5, CSS3, Responsive UI Development. Enterprise Development: DevExpress XAF (eXpressApp Framework), DevExpress WinForms, DevExpress Blazor, Business Process Automation, ERP Development, CRM Development, Administrative Portals, Internal Business Systems. Database & Cloud: SQL Server, MySQL, Database Design, Query Optimization, Azure App Services, Azure Key Vault, CI/CD Pipelines, Cloud Deployment. Additional Skills: Technical SEO, Novu Workflow Automation, Git, Source Control, Performance Optimization, System Integration, Troubleshooting, Debugging.