You will get Website Bug Fixing and Revamping using Asp.Net | C# | Web APIs | SQL
Project details
I'm a seasoned full-stack .NET developer with over 4+ years of experience in the international software industry.
If you need any. NET-related work, you've come to the right place.
My expertise spans various areas of .NET, including:
• ASP.NET Core / MVC
• Entity Framework / Entity Framework Core/.NET Core Framework
• Restful API
• Azure Functions / Triggers
• AWS
• Serverless API
• Identity login with authentication and role management
• Azure Web Job
• Stored Procedures
• Design Patterns
• N-Tier Architecture
• Repository Pattern
• Dependency Injection
• Web API
• Bug Fixing
With my extensive knowledge of these technologies and my track record of successful projects, I'm well-equipped to handle any . NET-related tasks and provide effective bug-fixing solutions.
If you need any. NET-related work, you've come to the right place.
My expertise spans various areas of .NET, including:
• ASP.NET Core / MVC
• Entity Framework / Entity Framework Core/.NET Core Framework
• Restful API
• Azure Functions / Triggers
• AWS
• Serverless API
• Identity login with authentication and role management
• Azure Web Job
• Stored Procedures
• Design Patterns
• N-Tier Architecture
• Repository Pattern
• Dependency Injection
• Web API
• Bug Fixing
With my extensive knowledge of these technologies and my track record of successful projects, I'm well-equipped to handle any . NET-related tasks and provide effective bug-fixing solutions.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$50
|
Standard
$100
|
Advanced
$150
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 2 | 4 | 6 |
Bug Investigation | |||
Fix Documentation | |||
Detailed Code Comments |
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FP
Felix P.
Jun 27, 2026
.Net developer required for car rental booking website
Absolute pleasure working with Yasir who I have trusted on multiple projects. Yasir is very competent and skilled at what he does and has never let me down. I will continue to contract Yasir for future projects and would happily recommend. Thank you sir.
FP
Felix P.
Sep 11, 2025
.Net Website Updates
Yasir is very competent and reliable developer who always delivers amazing work,
AR
Adeel R.
Mar 11, 2025
Web API Development
FP
Felix P.
Feb 12, 2025
.Net Developer Required For Web Development Project
It was a pleasure to bring Yasir on to assist our team with a somewhat complex project. He delivered exceptional results and we are very pleased. Highly recommended for any .Net Development work. Thanks
FP
Felix P.
Dec 6, 2024
.Net Developer Required For Quick Fix
About Yasir
Senior .NET & React Developer | AI CRM, SaaS & WhatsApp Automation
100%
Job Success
Gujranwala, Pakistan - 1:16 am local time
Need an AI-powered CRM, WhatsApp automation, SaaS platform, or real estate portal built right the first time? That is exactly what I do.
I build AI-integrated, full-stack web applications using ASP.NET Core and React/Next.js — clean architecture, production-ready, built to scale.
I'm Yasir Rehman. Most recently, I built a complete AI-powered digital ecosystem for RTD Huttons — one of Singapore's largest real estate agencies
— serving 4,000+ agents daily across six production platforms.
Here is what I delivered for them:
- RTD HUB: WhatsApp Business CRM with Meta Business API, broadcast automation, AI auto-replies, sequence builder, and contact management
- RTD Advisor: AI-powered property scoring, market analysis, financial calculators, BI dashboards, and full CRM — used daily by thousands of agents
- AI Ads Platform: Facebook Ads API + TikTok Ads API integration with AI-driven lead scoring, automated lead distribution, and inbound lead capture via a custom website AI
- Showflat: CMS-based property website builder with Google Ads conversion tracking, custom domains, spam filtering, and lead management
- AI Assessment Platform: adaptive AI question generation, timed exams, progress tracking, and agent certification workflows
- RES Exam App: mobile learning platform with mock tests, performance analytics, and agent onboarding
That is real enterprise software — built, shipped, and running in production at scale.
💻 Core Services
---------------------------------
🔹 AI-Powered SaaS Platforms
Multi-tenant architecture, LLM integration, OpenAI API, AI workflows
🔹 Custom CRM Development
AI lead scoring, pipelines, automation, agent dashboards, multi-platform
🔹 WhatsApp Business Automation
Broadcasts, drip sequences, AI chatbot, Meta CAPI, WhatsApp Business API
🔹 Ad Platform Integration
Facebook Ads API, TikTok Ads API, lead distribution, and AI routing
🔹 Real Estate Technology
Property portals, listing builders, agent platforms, market intelligence
🔹 Admin Dashboards and Panels
Role-based access, analytics, reporting, and data management
🔹 API Development and Integration
RESTful APIs, JWT, OAuth2, Stripe, Google Ads API, third-party services
🔹 AI Integration & Automation
OpenAI API, agentic workflows, AI bug fixing, legacy app modernization
🧰 Tech Stack
---------------------------------
🔹 Backend: ASP.NET Core, .NET MVC, C#, Entity Framework, Razor Pages
🔹 Frontend: React.js, Next.js, TypeScript, JavaScript ES6, Tailwind CSS
🔹 AI & Automation: OpenAI API, LangChain, Meta Business API, WhatsApp Cloud API
🔹 Ad Platforms: Facebook Ads API, TikTok Ads API, Google Ads API
🔹 Databases: SQL Server, PostgreSQL
🔹 Cloud & DevOps: Azure, AWS, Docker, CI/CD
🔹 Integrations: Stripe, PayPal, Meta CAPI, third-party APIs
💡 Why Clients Choose Me
---------------------------------
✅ Real Enterprise Experience at Scale
6 production systems serving 4,000+ daily users — not side projects
✅ AI Built In, Not Bolted On
I've shipped AI-powered scoring, auto-replies, lead routing, and
adaptive assessments in live production environments
✅ Full Stack in One Person
Frontend, backend, AI, database, and deployment — no handoff gaps
✅ Business-Focused Thinking
I understand your business problem first, then build the right solution
✅ 100% Job Success Score
20 completed jobs. Zero unhappy clients.
📩 Ready to Build Something Serious?
---------------------------------
Whether you need an AI-powered SaaS platform, WhatsApp automation, custom CRM, or real estate technology — I deliver clean, scalable, production-ready solutions.
Message me or invite me to your job post. Let's build.
Steps for completing your project
After purchasing the project, send requirements so Yasir can start the project.
Delivery time starts when Yasir receives requirements from you.
Yasir works on your project following the steps below.
Revisions may occur after the delivery date.
We'll work step by step to make your project perfect.
we will update you after each milestone and after approval move to next.