You will get the C# web application with asp.net core
Project details
You will get high-quality backend logic using SOLID Principles and design patterns. You will receive clean architecture and well-written sources. If you need it could be covered UTs.
Programming Languages
ASP.NET, TypeScript, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$899
|
Standard
$1,999
|
Advanced
$4,599
|
|---|---|---|---|
| Delivery Time | 5 days | 21 days | 42 days |
Number of Revisions | 1 | 1 | 1 |
Number of Pages | 4 | 15 | 20 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
18 reviews
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RE
Remy E.
Dec 13, 2025
React Native App Developer Needed for Exciting Project
Shabbir demonstrated excellent professionalism and technical expertise throughout the sprint work. The project was completed successfully, with clear communication and timely delivery. We are pleased with the outcome and would gladly engage Shabbir again for future work.
MB
Maryam B.
Dec 1, 2025
Experienced React Native Mobile App Developer Needed
Working with Shabbir was an excellent experience. He delivered high-quality work on time with great attention to detail. The code was clean, well-structured, and completely bug-free. Communication was smooth throughout the project, and he quickly understood the requirements and executed everything perfectly.
Shabbir handled every task professionally and even suggested improvements that added value to the app. I’m extremely satisfied with the results and will definitely hire him again for future projects.
Shabbir handled every task professionally and even suggested improvements that added value to the app. I’m extremely satisfied with the results and will definitely hire him again for future projects.
DS
David S.
Apr 26, 2023
Part-time developer for NextJS serverless app on Cloudflare Workers
Working with Shabbir has been fantastic, we hope to work with him again!
II
Ike I.
Apr 13, 2023
Back End Engineer
Freelancer is very good communicator, patient and hard working. I will recommend him highly.
OY
Olzhas Y.
Nov 6, 2022
You will get develop an android and ios app using flutter
It's a pleasure to work with such a professional. Job well done!
About Shabbir ul
Senior AI + Full Stack Developer | LangChain, n8n, RAG | .NET, React
100%
Job Success
Manchester, United Kingdom - 7:16 pm local time
🤖 What I build
• AI agents using LangChain, LangGraph, CrewAI, n8n
• Agentic RAG systems with Pinecone, Qdrant, ChromaDB
• MCP (Model Context Protocol) servers and tool-calling agents
• AI chatbots, voice agents, customer support automation
• AI features integrated into existing .NET, React, React Native apps
• Multi-tenant AI-native SaaS platforms
⚙️ Tech stack
• AI: LangChain, LangGraph, CrewAI, n8n, OpenAI API, Anthropic Claude, Gemini, RAG, Vector DBs (Pinecone, Qdrant, Milvus), Prompt Engineering, MCP
• Backend: .NET 8/9, ASP.NET Core, C#, Python, FastAPI, Node.js
• Frontend: React, React Native, Angular, Next.js, Tailwind, MudBlazor,Blazor
• Cloud/DevOps: Azure, AWS, Docker, GitHub Actions CI/CD
• Data: PostgreSQL, MSSQL, MongoDB
🚀 What sets me apart
• 100% Job Success Score verified delivery on every Upwork contract
• Production engineer, not a prototyper I ship code that survives compliance reviews and real load
• Full ownership: backend, frontend, DevOps, deployment under one roof
• 17 years across FinTech, HealthTech, Logistics, and government systems
📈 Recent client work
• Fleet Management System for government client .NET + React + Docker, full CI/CD on hardened VPS
• Civil aviation permit platform with self-hosted runners and compliance-grade secret management
• Audit Communication API .NET 8 with templated email workflows
• POS Platform spanning Web, Tablet, and Mobile ($11K Upwork project, 5-star)
📩 Send me your project details and I'll respond within 1 hour with a clear plan, timeline, and budget.
Steps for completing your project
After purchasing the project, send requirements so Shabbir ul can start the project.
Delivery time starts when Shabbir ul receives requirements from you.
Shabbir ul works on your project following the steps below.
Revisions may occur after the delivery date.
Specification
Specification with detailed description of logic, flow and acceptance criteria’s
UI/UX Design
UI/UX development of the application