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$
USD
I will debug and fix your asp dotnet core web API errors, exceptions and issues
Hassan Ali
About this gig
ASP.NET CORE API BROKEN? ILL FIX IT FAST.
500 Internal Server Error? API works locally but fails in production? EF Core exceptions, middleware issues, or authentication problems?
I specialize in debugging ASP.NET Core Web APIs and fixing production-level backend issues quickly and professionally.
ISSUES I FIX
500 Internal Server Errors
401 / 403 Auth issues
Production deployment failures
EF Core query & migration errors
Middleware & DI issues
appsettings/configuration problems
Database connection issues
CORS blocking frontend requests
JSON serialization bugs
Background service failures
Wrong API responses/status codes
Async/await & threading issues
️ MY PROCESS
- Review code + logs
- Reproduce the issue
- Find root cause
- Apply clean fix
- Test stability
- Deliver explanation
WHY CHOOSE ME
- ASP.NET Core specialist
- Full-stack debugging expertise
- Root-cause fixes only
- Fast communication
- Clean, maintainable solutions
REQUIREMENTS
- GitHub repo or ZIP
- Error logs/screenshots
- Issue description
- Environment details
Message me before ordering for quick confirmation.
Get to know Hassan Ali
Hassan Ali
HAsolution! AI and Human Creativity to Build Brands That Stand Out
- FromPakistan
- Member sinceMar 2023
- Avg. response time1 hour
- Last delivery1 year
Languages
English, Urdu
Welcome to HAsolution! Your one stop digital partner for success 🚀
I deliver high-quality web development, content writing, LinkedIn optimization, and AI-powered solutions designed to make your brand stand out.
✅ Fast delivery & clear communication
✅ 100% original, result driven work
✅ Creative + tech driven problem solving
Let’s turn your ideas into impact starting today 💼
Other Software Development Services I Offer
FAQ
My API was working for months and suddenly started throwing 500 errors. What would cause that?
Most common causes: a recent code change broke something, a dependency was updated, a database schema change, or an environment/configuration change (connection string, secrets). Send me your error logs and recent git commits and I'll find it.
I don't have error logs — the error just says "500 Internal Server Error." Can you still help?
Yes. First step is enabling detailed error logging (I'll show you how), then we capture the actual exception. Even without logs, I can often trace the issue through the code.
Can you fix EF Core issues specifically?
Yes — EF Core is one of my strongest areas. Migration errors, N+1 queries, lazy loading issues, relationship configuration problems, query translation failures — all covered.
What if the bug is complex and takes more time than expected?
I'll communicate with you immediately if scope is larger than expected. I never silently go over scope. We'll agree on any additional work before I continue.
After fixing my bug, can you do ongoing support?
Yes. Many clients move to a monthly retainer after their first fix. Message me about this after we've worked together.
