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You will get performance review of your .NET application

Igor P.Status: Offline
Igor P. Igor P.
4.8
Preview image

Let a pro handle the details

Buy Web Programming Bug Fixes services from Igor, priced and ready to go.
Igor P.Status: Offline
Igor P. Igor P.
4.8
Preview image

Let a pro handle the details

Buy Web Programming Bug Fixes services from Igor, priced and ready to go.

Project details

We can review and find reasons why your .NET application works slow. We also will provide detailed information what are possible ways to fix that performance issues
Programming Languages
JavaScript, ASP.NET, C#
Coding Expertise
Performance Optimization, Security

What's included $1,000

These options are included with the project scope.

$1,000
  • Delivery Time 10 days
  • Number of Revisions 2
    • Bug Investigation
    • Detailed Code Comments
Optional add-ons You can add these on the next page.
Additional Revision
+$500

Frequently asked questions

4.8
21 reviews
90% Complete
(19)
5% Complete
(1)
1% Complete
(0)
5% Complete
(1)
1% Complete
(0)

WS

Will S.
5.00
Dec 1, 2025
Redesign of Existing Ecommerce Website - ASP.NET Core / SQL Server It has been a pleasure working with Igor and his team.
They have faithfully replicated the Figma website mockup in their work.
They are easy to communicate with and responsive to your requests.
The quality of their work is very high.

CO

Chad O.
5.00
Apr 25, 2024
C# / SQL Development work for Backend Igor was able to take over the project and complete it successfully, and supply additional resources when our project needed more work.
Igor and TwinCore are an amazing resource, and if you have development work I'd highly recommend them.
He's knowledgeable, capable of producing great code, and solving complex problems.

XM

Xciting M.
4.45
Nov 3, 2023
NopCommerce Expert - fix issues on customized website

VK

Vladimir K.
5.00
Apr 10, 2023
Orchard Core Bootstrap Theme upgrade If you want quality work, don't look any further. Igor is a full-stack developer that can solve any problem.

SW

Shane W.
5.00
Sep 4, 2022
Orchard core module development The project has been completed on time and within budget. It is well managed and the code delivered is of good quality.

Igor is a good communicator and very easy to work with. I highly recommend him.
Igor P.Status: Offline

About Igor

Igor P.Status: Offline
AI Agent Developer | Python, LangChain, RAG, .NET
4.8  (21 reviews)
Kyiv, Ukraine - 9:03 pm local time
I develop AI agents, RAG systems, AI-powered document search, and workflow automation for business applications using Python, LangChain, OpenAI, Anthropic, Azure OpenAI, vector search, and modern LLM workflows.

I also have 15+ years of production .NET experience with C#, ASP.NET Core, APIs, databases, cloud systems, integrations, logistics software, performance optimization, and legacy modernization.

Numbers:
- $80K+ earned on Upwork
- 23 Upwork jobs
- 1,100+ Upwork hours
- 15+ years in software development
- 50+ delivered software projects

I can help with:
- AI agents using Python, LangChain, OpenAI, Anthropic, and Azure OpenAI
- RAG over documents, tickets, orders, products, reports, and knowledge bases
- AI document search, semantic search, data extraction, and summarization
- LLM workflows with validation, business rules, and human review
- AI features inside existing .NET / ASP.NET Core applications
- ASP.NET Core APIs, SaaS platforms, admin panels, and business systems
- Legacy .NET Framework, ASP.NET MVC, WebForms, and VB.NET modernization
- SQL performance optimization, background jobs, queues, caching, and integrations
- Logistics software: TMS, WMS, order management, rate engines, shipment tracking, and carrier APIs

For the AI/RAG part, I can use Python/LangChain. For production backend, APIs, admin panels, and enterprise integration, I can use .NET / ASP.NET Core.

Tech stack:
Python, LangChain, OpenAI, Anthropic, Azure OpenAI, RAG, embeddings, vector search, .NET, C#, ASP.NET Core, Blazor, SQL Server, PostgreSQL, MongoDB, Redis, EF Core, Dapper, Azure, AWS, RabbitMQ, Kafka.

Steps for completing your project

After purchasing the project, send requirements so Igor can start the project.

Delivery time starts when Igor receives requirements from you.

Igor works on your project following the steps below.

Revisions may occur after the delivery date.

Provide codebase

Provide access to the Live environment

Review the work, release payment, and leave feedback to Igor.