You will get scalable high-performance .NET backend APIs and microservices


Project details
I design and develop high-performance, scalable backend systems using C# and .NET — optimized for real-world production workloads.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$150
|
Standard
$400
|
Advanced
$900
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 1 | |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $300
📈 Performance Optimization
(+ 4 Days)
+$150
🔐 Authentication System
(+ 1 Day)
+$100
Deployment
(+ 1 Day)
+$150About Usama
C# |.NET |ASP.NET | AI | SaaS | Angular| MERN
Multan Cantt, Pakistan - 10:47 am local time
I specialize in developing high-performance backend systems using C#, .NET Core, and ASP.NET Web API, combined with modern frontend frameworks such as React and Angular.
I have worked on fintech platforms, ERP systems, warehouse management solutions, and real-time applications used by businesses globally. My focus is on building scalable architectures, optimizing system performance, and delivering reliable software.
Some highlights from my work:
• Improved trade execution speed by 70–80% using multithreading and parallel processing
• Reduced real-time quote latency by 25% in trading systems
• Built scalable SaaS platforms for operations, finance, and logistics
• Integrated third-party services including payment systems, messaging APIs, and KYC providers
Technical Skills
Backend
C#, .NET Core, ASP.NET Core, ASP.NET MVC, Web API, Razor Pages, Blazor
Frontend
React, Angular, JavaScript, TypeScript, jQuery, Bootstrap
Architecture & Messaging
Microservices, Event-Driven Systems, RabbitMQ, Redis, SignalR
Databases
SQL Server, PostgreSQL, MySQL, MongoDB, Entity Framework, ADO.NET
Cloud & Tools
Microsoft Azure, Azure Functions, Git, Visual Studio, Visual Studio Code
Integrations
Recurly, Twilio, HubSpot, Authorize.net, MetaTrader APIs, Sumsub KYC
Testing & Automation
Selenium, Playwright, Puppeteer
What I can help you with:
• Building scalable .NET web applications
• Developing high-performance REST APIs
• Integrating third-party services and payment systems
• Optimizing and refactoring existing .NET applications
• Designing microservices and cloud-based systems
I value clear communication, clean code, and delivering reliable solutions. If you're looking for a developer who can solve complex problems and build scalable systems, feel free to reach out and discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Usama can start the project.
Delivery time starts when Usama receives requirements from you.
Usama works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Analysis
I review your project details, clarify requirements, and define the best technical approach for scalability and performance.
System Design
I design the backend architecture, including APIs, database structure, and system flow (microservices if required).