Muhammad Usman
Summary
Backend Software Engineer with production experience building scalable ASP.NET Core Web APIs across Fleet Management, HR, and Service Marketplace platforms. Experienced in Clean Architecture, CQRS, MediatR, JWT Authentication, RBAC/ABAC, PostgreSQL, SQL Server, MongoDB, Azure deployment, and performance optimization.
Skills
Languages: C#, SQL
Backend: ASP.NET Core, .NET 8, REST APIs, JWT Authentication, Background Services, IHostedService
Architecture: Clean Architecture, CQRS, MediatR, Repository Pattern, DI, SOLID, RBAC, ABAC, Multi-Tenant
Databases: SQL Server, PostgreSQL, MongoDB
Tools: Git, GitHub, Swagger, Postman, Visual Studio, Azure, IIS
Frontend: WordPress, Responsive Design, Theme Customization
Experience
Independent Backend Developer — FixEasy (Final Year Project)
Oct 2024 – Aug 2025- Complete backend architecture in ASP.NET Core
- SQL Server database design
- JWT Authentication & RBAC
- Flutter mobile app integration
- Azure deployment pipeline
- Image Upload APIs & booking workflow
Software Developer Intern — Malind Tech
Aug 2025 – Oct 2025- Rental Car Management APIs
- SQL Server optimization
- REST APIs with Swagger & Postman testing
- Git & GitHub collaboration
- Bug fixing & new feature implementation
Software Developer — Web Flet Tech
Nov 2025 – Present- ASP.NET Core (.NET 8) REST API development
- Fleet Management platform & Driver Retention System
- HR System APIs
- Background Services using IHostedService
- MongoDB Bulk Operations & Compound Indexing
- Monthly Analytics dashboards
- Swagger Documentation & ILogger structured logging
- Clean Architecture across services
Selected Projects
Enterprise HR System — Employee management, attendance, leave and permissions. ASP.NET Core, SQL Server.
Fleet Management System — Driver scoring, vehicle maintenance, monthly analytics. ASP.NET Core, MongoDB, .NET 8.
Rental Car System — Booking workflow & vehicle inventory. ASP.NET Core, SQL Server.
SaaS Academy Management System — Multi-tenant SaaS with RBAC/ABAC. ASP.NET Core, PostgreSQL, CQRS, MediatR.
FixEasy — Household service marketplace. ASP.NET Core, SQL Server, JWT, Flutter, Azure.