I will develop or fix scalable dot net core, web API, mvc and azure functions


About this gig
Are you looking for a Senior .NET expert who can turn your ideas into a fast, secure, and production-ready application? Youre in the right place.
With 13+ years of industry experience, I have built enterprise solutions for healthcare, finance, HRMS, laboratory automation, SaaS platforms, and other mission-critical systems. My development approach focuses on clean architecture, performance, and long-term maintainability so your software stays reliable and easy to extend.
I build new applications, improve existing systems, and develop high-quality APIs. My skills include .NET Core, .NET Framework, MVC, Web API, SQL Server, query optimization, Entity Framework, Repository Pattern, Unit of Work, Azure Functions, JWT authentication, payment integrations, and SAP Crystal Reports. I also fix WinForms issues, upgrade legacy systems, create console apps, and integrate bank APIs using official documentation.
In healthcare, I specialize in LIS workflows and integrating lab analyzers such as Roche Cobas, Beckman Coulter, and Mindray.
My goal is simple: deliver stable, secure, and scalable software that performs flawlessly in real-world environments.
Get to know Saad
- FromPakistan
- Member sinceNov 2024
- Avg. response time1 hour
- Last delivery4 months
Languages
Urdu, English
FAQ
Can you work with my existing project?
Yes, I can improve, rebuild, or extend any project—legacy or modern.
Do you follow best practices?
Absolutely—clean architecture, SOLID principles, and high-quality coding standards.
Can you integrate any API?
Yes—bank APIs, Stripe, or any custom API using the documentation you provide.
Do you handle healthcare device integrations?
Yes, I specialize in LIS communication with analyzers like Roche Cobas, Beckman Coulter, Mindray, etc.
Will you keep my project confidential?
Yes, confidentiality is always guaranteed. NDA can also be signed.
Do you offer long-term support?
Yes, I provide ongoing maintenance and support for clients looking for continuous development.
What technologies do you use?
I work with .NET Core, .NET Framework, Web API, Minimal API, Entity Framework, SQL Server, Azure Functions, Micro services, Crystal Reports, WinForms, JWT, and more.
What SQL Server issues can you fix?
I can resolve almost any SQL Server problem, including query errors, slow-performing queries, deadlocks, incorrect joins, stored procedure issues, indexing problems, and database configuration issues. I also help optimize queries for faster execution.
What .NET application bugs can you fix?
I can fix errors in .NET Core, .NET Framework, MVC, Web API, EF Core, LINQ, authentication issues, integration problems, and exceptions occurring during API calls or database operations.
