Browse categories
Explore
Fiverr Pro
English
$
USD
I will migrate legacy dot net to dot net core
Rohal Kumar
5.0
5.0
About this gig
Upgrade, Fix & Modernize Your .NET Applications with Confidence.
Are you struggling with an outdated ASP.NET application, performance issues, or messy backend logic? I specialize in upgrading legacy .NET applications to modern .NET Core architecture, ensuring better performance, scalability, and long-term stability.
With 3+ years of hands-on experience and 10+ full-cycle projects completed from scratch, I help businesses and individuals transform their backend systems smoothly without breaking existing functionality.
What I Can Help You With
- Upgrade legacy ASP.NET to .NET Core
- Bug fixing & backend logic improvement
- REST API development & integration
- Code refactoring & performance optimization
- Security-focused, clean, and scalable architecture
- Database integration & backend enhancements
Why Work With Me?
- Strong focus on clean code & best practices
- Clear communication & fast response
- Source code included with structured delivery
- Tested, optimized, and production-ready solutions
Whether you need a quick bug fix, a core upgrade, or a complete backend transformation, I deliver results that align with modern industry standards.
Lets modernize your .NET application the right way.
Get to know Rohal Kumar
Rohal Kumar
NET Core Developer REST API Backend ASP NET Core MVC
- FromPakistan
- Member sinceDec 2019
- Last delivery1 year
Languages
English, Hindi, Urdu
Bachelor’s Degree in Computer Science | .NET Developer with 3+ years of hands-on experience in ASP.NET, ASP.NET Core, MVC, REST API development, backend development, and expert bug fixing. Successfully completed 10+ full-cycle projects from scratch and supported many satisfied clients with bug fixes, feature enhancements, application upgrades, API integration, database optimization, and performance tuning. Skilled in SQL Server,Orcale, ADO.NET, Entity Framework, authentication, and secure coding, with a strong focus on clean, scalable, and reliable solutions.
Other Software Development Services I Offer
FAQ
Can you upgrade my old ASP.NET project to .NET Core?
Yes, I specialize in upgrading legacy ASP.NET applications to .NET Core, ensuring performance, stability, and modern architecture.
Do you provide .NET Core bug fixing services?
Absolutely. I offer .NET Core bug fixing, backend issue resolution, and logic improvements for existing applications.
Will I receive the complete source code after delivery?
Yes, all packages include complete .NET Core source code with a clean and structured backend.
Can you work with existing databases and APIs?
Yes, I handle database integration and REST API development for ASP.NET Core and .NET Core projects.
How do you ensure code quality and performance?
I follow .NET Core best practices, clean architecture principles, and performance optimization techniques to deliver reliable backend solutions.
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
K 
kathleen_eric
United States
Fantastic work! You understood my requirements perfectly and delivered exactly what I wanted. Thanks for your prompt communication too!
Up to $50
Price
1 day
Duration
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
K kathleen_eric
United States
Fantastic work! You understood my requirements perfectly and delivered exactly what I wanted. Thanks for your prompt communication too!
Up to $50
Price
1 day
Duration
Helpful?
