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I will fix bugs in asp net core react and typescript applications
Andrii
About this gig
Is your ASP.NET Core, React, or TypeScript application not working correctly?
I can diagnose and fix bugs in existing web applications, REST APIs, databases, authentication, frontend components, and business logic.
I can help with:
ASP.NET Core errors
React and TypeScript bugs
REST API issues
Entity Framework Core problems
PostgreSQL and SQL Server issues
Authentication and authorization bugs
CRUD errors
Frontend and backend integration problems
Performance issues
Debugging existing code
Please contact me before ordering if the issue is complex or affects multiple parts of the application.
Get to know Andrii
Andrii
ASP NET Core React Full Stack Developer
- FromUkraine
- Member sinceSep 2025
Languages
English
Hi! I'm a Full Stack Developer focused on C#/.NET and React/TypeScript. I build web applications, REST APIs, CRM systems, admin dashboards, integrations, and responsive websites. My stack includes ASP.NET Core, EF Core, PostgreSQL, SQL Server, React, TypeScript, JavaScript, Docker, and Git. I can help build new applications, integrate APIs, fix bugs, and improve existing projects. Feel free to message me to discuss your project.
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FAQ
Can you work with an existing project?
Yes. This Gig is specifically designed for debugging and improving existing ASP.NET Core, React, and TypeScript applications.
What do you need to investigate the bug?
Please provide the source code or relevant files, error messages, screenshots, logs, and clear steps to reproduce the issue.
Can you fix database issues?
Yes. I can diagnose Entity Framework Core, PostgreSQL, SQL Server, migrations, queries, and CRUD related problems.
What if the bug is larger than expected?
I will review the issue first and let you know if it requires a custom offer before additional work is started.
