Rehmat U.

I’m a Full Stack .NET Developer focused on building custom business software, SaaS platforms, internal systems, customer portals, workflow automation, and system integrations. I work across the complete application lifecycle, from database and backend architecture to APIs, frontend development, integrations, deployment, and production support. Some of the systems I’ve worked on include: • Multi-Tenant Retail & Installment Management System: platform and tenant administration, cash and installment sales, customer accounts, contracts, collections, inventory, purchases, expenses, billing, receivables, and reporting • Cloud Infrastructure Management Portal: VPS and virtual machine monitoring, customer/admin portals, machine actions, remote console access, activity logs, permissions, and security controls • CRM & Customer Management Systems: customer workflows, contacts, dashboards, reporting, and operational modules • Attendance & Workforce Management Systems: biometric device integration, GeoFence attendance, shifts, employee portals, reporting, and real-time attendance tracking • NexRoom | Meeting Room Management System: meeting-room booking, room availability, scheduling, reservations, and organizational meeting workflows • Complaint & Maintenance Management Systems: customer, technician and admin workflows, assignments, approvals, invoicing, financial reporting, and mobile access • Booking & Scheduling Systems: reservations, business workflows, and payment gateway integrations including PayPal Core technologies: C# • .NET • ASP.NET Core • Web API • Entity Framework Core • SQL Server • REST APIs • JavaScript • TypeScript • React • Razor Pages • IIS I can help with: • Custom business application development • SaaS and multi-tenant platforms • ASP.NET Core backend and API development • Existing .NET application enhancements • CRM, ERP and operational portals • Third-party and hardware integrations • Authentication, authorization and role-based systems • Reporting, dashboards and workflow automation • Production troubleshooting and ongoing development I focus on understanding the actual business process first and then building software around it. The goal is not simply to deliver features, but to create a system that is reliable, maintainable and practical for day-to-day operations. If you need a new business application, improvements to an existing .NET system, or an integration with another platform or device, feel free to send me a message.