You will get Fix Bugs and Improve Stability in ASP.NET Core / Angular Applications
Project details
I help businesses fix bugs and improve existing .NET and Angular applications in a clean, reliable, and maintainable way.
With over 14 years of experience as a senior full-stack .NET developer, I’ve worked on production systems in finance, insurance, and HR environments. I focus on understanding the root cause of the issue, applying best practices, and delivering solutions that are easy to maintain and scale.
This service is ideal if you have an existing ASP.NET Core or Angular application with bugs, performance issues, or small improvements needed. You’ll get clear communication, professional code, and a structured process from investigation to delivery.
If you’re looking for a dependable developer who can quickly jump into your codebase and get things done right, this project is a great fit.
With over 14 years of experience as a senior full-stack .NET developer, I’ve worked on production systems in finance, insurance, and HR environments. I focus on understanding the root cause of the issue, applying best practices, and delivering solutions that are easy to maintain and scale.
This service is ideal if you have an existing ASP.NET Core or Angular application with bugs, performance issues, or small improvements needed. You’ll get clear communication, professional code, and a structured process from investigation to delivery.
If you’re looking for a dependable developer who can quickly jump into your codebase and get things done right, this project is a great fit.
Programming Languages
ASP.NET, TypeScript, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$40
|
Standard
$80
|
Advanced
$150
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 5 days |
Number of Revisions | 1 | 2 | 3 |
Bug Investigation | |||
Fix Documentation | - | - | |
Detailed Code Comments | - |
Optional add-ons
You can add these on the next page.
Additional Revision
+$15
Detailed Code Comments
+$20
Bug Investigation
+$25Frequently asked questions
About Diego
Senior .NET & Angular Developer | ASP.NET Core APIs & Web Apps
Malaga, Spain - 1:32 pm local time
I’m a Senior Full-Stack Developer with 14+ years of professional experience, working on enterprise-level systems in finance, insurance, and HR domains. I focus on clean architecture, performance, and long-term maintainability — not quick hacks.
What I can help you with:
• Design and development of secure REST APIs using ASP.NET Core
• Angular applications (clean architecture, performance, maintainability)
• Full-stack development from scratch or improvement of existing systems
• Bug fixing, refactoring, and performance optimization
• Integration with databases, third-party services, and cloud environments
How I work:
• Clear and proactive communication
• Clean, readable, and well-tested code
• Agile mindset with frequent, reliable deliveries
• Focus on scalable and maintainable solutions
💡 New on Upwork, but not new to software development.
I bring senior-level experience and a professional approach to every project.
📩 Let’s discuss your project and define the best next steps.
Steps for completing your project
After purchasing the project, send requirements so Diego can start the project.
Delivery time starts when Diego receives requirements from you.
Diego works on your project following the steps below.
Revisions may occur after the delivery date.
Analyze and reproduce the issue
I review the codebase, analyze the reported issue, and reproduce the problem in a local environment.
Implement the fix
I apply a clean and maintainable fix following best practices for .NET and Angular.