ASP.NET Core web applications
MVC, Razor and Blazor applications with clean architecture, authentication and role-based access.
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Hire a freelance .NET developer
I am Hashir Nadeem, a senior .NET developer with 6+ years of commercial experience. I build and maintain web applications, REST APIs and back-office systems with C#, ASP.NET Core and SQL Server, on an hourly or fixed-price basis.
- 100% Job Success
- Top Rated Plus on Upwork
- 56 Upwork jobs
- 7,300+ hours worked
What I do
.NET development services
What you can hire me for.
REST API development
ASP.NET Core Web API backends for web and mobile apps, with Entity Framework, SQL Server or PostgreSQL.
Legacy .NET modernisation
Moving older ASP.NET and .NET Framework systems to modern .NET, and manual processes to Blazor portals.
Database design and performance
Schema design, query tuning and reporting on SQL Server, PostgreSQL and MariaDB.
API and payment integrations
Stripe, Square, Apple Wallet, Google Wallet, Power BI and other third-party systems.
Cloud deployment
Deployment to Microsoft Azure with secure sign-in and environment setup.
Proof
Related projects
Past work in this area. See all 12 projects.
Enterprise analytics platform
FITEEN
An enterprise platform that brings business analytics, finance, HR, projects and customer services into one secure place.
- Microsoft Entra ID sign-in with role-based access
- Power BI Embedded dashboards and reporting
- Chatbot integration and English and Arabic localisation
- .NET
- Microsoft Azure
- Entra ID
- Power BI Embedded
Mining back-office portal
MineFox
A back-office platform that replaced manual processes across mining operations with one central system.
- Operational monitoring and reporting
- Shift planning and field team scheduling
- Task assignment, tracking and admin workflows
- .NET Blazor
- Back office
- Reporting
Inventory and operations system
Luxe
A business operations platform that brings inventory, orders and vendors into one system.
- Inventory management, store orders and returns
- Fulfilment and vendor workflows
- Dashboards and reporting
- ASP.NET Core
- Bootstrap
- MariaDB
Client reviews
What Upwork clients say
Real reviews from completed Upwork contracts. Read all reviews.
★★★★★
“Working with Hashir on our .NET project was an exceptional experience. They not only met but exceeded all the requirements outlined in the job post. Hashir demonstrated excellent problem-solving skills and delivered high-quality solutions promptly. Communication was clear and efficient throughout the project, making collaboration seamless. I highly recommend Hashir for any .NET development project.”
★★★★★
“I am really impressed with his professionalism and knowledge. He completed my web app before the deadline. His communication skill is good which made the whole process smooth. I will definitely use his services again and I highly recommend Hashir for web app or web related services.”
★★★★★
“I had an excellent experience working with this freelancer on my project. Their technical expertise, attention to detail, and problem-solving skills were outstanding. They delivered clean, efficient, and well-structured code while ensuring that the project met all my requirements. What stood out the most was their commitment to clear communication and availability. Whenever I needed clarification, they were always ready to hop on a call, making the collaboration smooth and efficient.”
How it works
How we work together
A simple process with no surprises.
Share your requirements
Send a short brief on Upwork, WhatsApp or LinkedIn. I reply with questions and a practical plan.
Scope and estimate
You get a clear scope, timeline and an hourly or fixed-price estimate before any work starts.
Build in weekly steps
I ship working software in small releases and keep you updated at every step.
Launch and support
I deploy to production, hand over the code and stay available for fixes and new features.
Questions
Common questions
Short answers before you get in touch.
How do I hire you as a .NET developer?
Send me your requirements on Upwork, WhatsApp or LinkedIn. I work on hourly and fixed-price contracts, and Upwork handles the contract and payments if you prefer that.
Which .NET versions and tools do you work with?
C#, ASP.NET Core, .NET 8, .NET Framework, Entity Framework, Blazor, Web API, SQL Server and PostgreSQL.
Can you join an existing team?
Yes. I have worked as a senior engineer inside product teams as well as on solo freelance projects, full time and part time.
More services
Other ways I can help
Each service has its own page.
Have a project in mind?
Message me on Upwork, WhatsApp (+92 313 2613274) or LinkedIn with your requirements, and I will reply with a practical plan.