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I will fix maintain and upgrade legacy web forms applications
Rana Siyyab
About this gig
Is your legacy ASP.NET Web Forms application showing bugs, errors, or outdated functionality? I can help fix, maintain, and improve your existing application without rebuilding it from scratch.
I specialize in working with legacy ASP.NET Web Forms, C#, .NET Framework, SQL Server, JavaScript, jQuery, and Bootstrap.
I can help with:
- Bug fixing and troubleshooting
- Existing application maintenance
- Adding or modifying features
- C# and Web Forms code fixes
- SQL Server and database issues
- JavaScript and jQuery fixes
- Performance improvements
- Code cleanup and maintenance
- Upgrading and modernizing legacy applications
I can work with existing source code and understand older applications that may have been developed several years ago.
For larger upgrades, new modules, major functionality, or complex applications, please contact me before placing an order so I can review your requirements and provide the appropriate offer.
Let me help keep your legacy application stable, functional, and maintainable.
Get to know Rana Siyyab
Rana Siyyab
ASP DotNET MVC Developer and SQL Server Expert
- FromPakistan
- Member sinceSep 2026
Languages
Urdu, English
I am an experienced ASP.NET MVC developer specializing in building, maintaining, troubleshooting, and upgrading web applications. I work with C#, SQL Server, JavaScript, jQuery, REST APIs, query and page optimization, and legacy systems. I can fix bugs, optimize SQL queries and web pages, upgrade applications or individual modules, and resolve JavaScript and jQuery issues. I also integrate third-party services including PayPal, Stripe, Sage Pay, Moodle, Loqate, PebblePad, NADRA APIs, Google reCAPTCHA v2 and v3.
Other Software Development Services I Offer
FAQ
Can you fix bugs in an existing ASP NET Web Forms application?
Yes. I can troubleshoot and fix bugs in existing ASP NET Web Forms applications using C#, .NET Framework, SQL Server, JavaScript, and jQuery.
Can you work with old .NET Framework applications?
Yes. I can maintain and troubleshoot legacy applications built with ASP NET Web Forms and older versions of the .NET Framework.
Can you add new features to my legacy application?
Yes. I can add or modify features in an existing application. Please contact me first for larger functionality or complex requirements.
Can you fix SQL Server issues?
Yes. I can troubleshoot SQL queries, stored procedures, database-related errors, and performance issues in SQL Server.
Can you fix JavaScript or jQuery issues?
Yes. I can troubleshoot and fix JavaScript and jQuery errors and functionality issues within your existing application.
Can you upgrade or modernize a legacy application?
Yes. I can help upgrade existing functionality, improve performance, clean up code, and modernize parts of legacy applications.
