You will get Senior .NET SaaS and CRM Developer, Custom web application Developer.
Project details
🚀Custom Web Portals, SaaS & CRM Solutions Using .NET
I help businesses design and build secure, scalable, and user-friendly web portals using .NET technologies. Whether you need a directory website, client portal, customer dashboard, or a custom CRM, I deliver solutions that improve workflows, communication, and data management.
My focus goes beyond development—I create systems that are reliable, intuitive, and built for long-term growth.
What I Do
I specialize in building dynamic directory web portals that make information easy to manage and discover. I also develop client and customer portals integrated with CRM systems to streamline operations, enhance user engagement, and centralize business data.
Using the .NET ecosystem, I deliver robust back-end architectures combined with clean, responsive front-end experiences.
My Expertise
Strong expertise in .NET / ASP.NET
Directory websites, client portals & CRM development
Responsive UI using HTML, CSS & JavaScript
Secure and scalable database design & management
API integrations and custom business logic
Performance optimization & issue resolution
Full-stack development with scalability and security in mind
I help businesses design and build secure, scalable, and user-friendly web portals using .NET technologies. Whether you need a directory website, client portal, customer dashboard, or a custom CRM, I deliver solutions that improve workflows, communication, and data management.
My focus goes beyond development—I create systems that are reliable, intuitive, and built for long-term growth.
What I Do
I specialize in building dynamic directory web portals that make information easy to manage and discover. I also develop client and customer portals integrated with CRM systems to streamline operations, enhance user engagement, and centralize business data.
Using the .NET ecosystem, I deliver robust back-end architectures combined with clean, responsive front-end experiences.
My Expertise
Strong expertise in .NET / ASP.NET
Directory websites, client portals & CRM development
Responsive UI using HTML, CSS & JavaScript
Secure and scalable database design & management
API integrations and custom business logic
Performance optimization & issue resolution
Full-stack development with scalability and security in mind
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, PSD to HTML, DesignWhat's included
| Service Tiers |
Starter
$100
|
Standard
$200
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 7 days | 10 days | 20 days |
Number of Revisions | 1 | 2 | 2 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
About Duc Anh
Full Stack .NET Engineer, Expert in .NET, C#, SQL and Angular
Hanoi, Vietnam - 12:30 am local time
Hello, I’m Đức Anh Nguyễn, a Senior Full-Stack Engineer with 𝟕+ years of experience building and maintaining enterprise-grade applications across finance, logistics, healthcare, and SaaS.
💡 Technical Stack:
📌Backend: ASP.NET Core, C#, RESTful APIs, SignalR, Clean Architecture, Microservices
📌Frontend: ASP.NET MVC, Razor Pages, Blazor, Angular, React, CSS3, Bootstrap, JavaScript
📌Database: SQL Server, Entity Framework Core
📌Tools: Git, Docker, xUnit, Moq
📌Deployment: Azure, AWS, IIS, CI/CD Pipelines
📌Legacy migrations (Web Forms / older .NET → modern .NET/Blazor/Full Stack)
💡 Why Choose Me?
⚡Proven Expertise: Delivered 10+ .NET projects with measurable results.
⚡Scalable Solutions: Build applications that grow with your business.
⚡Client-Centric Approach: Clear communication, timely delivery, and dedicated support.
⚡Future-Proof Development: Write clean, maintainable, and well-documented code.
⚡Continuous Learning: Always updating my skills to stay ahead in the ever-evolving tech landscape.
💡𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗕𝗲𝘀𝘁 (𝗔𝗻𝗱 𝗘𝗻𝗷𝗼𝘆 𝗦𝗼𝗹𝘃𝗶𝗻𝗴):
📌 Full-Stack Development → Build and maintain responsive applications using ASP.NET Core with Blazor, Angular, and React.
📌 Legacy Migration → Seamlessly migrate Web Forms/MVC to modern .NET + React/Angular/Blazor giving your users a 𝟮𝟬𝟮𝟱 experience.
📌 Performance Engineering → Fix outdated frontend bottlenecks and optimize SQL queries for high data loads.
📌 API Development → I build RESTful APIs that are actually 𝐑𝐞𝐬𝐭𝐟𝐮𝐥 ~ secure, documented, and easy for your mobile or web teams to use.
💡𝗪𝗵𝗼 𝗜’𝗺 𝗮 𝗚𝗼𝗼𝗱 𝗙𝗶𝘁 𝗙𝗼𝗿
🎯 Teams needing a true Full-Stack lead who can jump between C# and modern JavaScript/TypeScript frameworks.
🎯 Companies with existing .NET applications that require a frontend refresh (Angular/React) or a full stack migration.
🎯 Projects requiring long-term enhancements and a sense of ownership from the developer.
🎯 Clients seeking reliable, predictable delivery over cheap, short-term labor.
💡𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆
🟢 Available for part-time or full-time contracts
🟢 Reliable 𝗨𝗦/𝗘𝗨 timezone overlap
💡 Let’s Work Together!
📌Whether you need a custom web application, a scalable backend, or a dynamic frontend, I’m here to bring your vision to life. Let’s discuss your project and create something extraordinary!
Message me your project details, I’ll 𝐫𝐞𝐩𝐥𝐲 𝐢𝐧 <𝟏 𝐡𝐨𝐮𝐫 with a clear plan and honest recommendations
Thanks!!
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀
Full-Stack .NET Developer, Backend .NET Developer, ASP.NET Core, C#, ASP.NET MVC, Web API, RESTful APIs, Microservices, Clean Architecture, SignalR, Blazor Server, Blazor WebAssembly, Razor Pages, Angular, React, Responsive Web Design, HTML5, CSS3, JavaScript, Bootstrap, SQL Server, Query Optimization, Stored Procedures, Database Optimization, Entity Framework Core, Database Migration, Legacy System Migration, Web Forms Migration, Performance Optimization, Azure, Azure DevOps, AWS, CI/CD Pipelines, Docker, IIS, Agile Development
Steps for completing your project
After purchasing the project, send requirements so Duc Anh can start the project.
Delivery time starts when Duc Anh receives requirements from you.
Duc Anh works on your project following the steps below.
Revisions may occur after the delivery date.
What types of web portals do you build?
I build secure and scalable directory websites, client portals, customer dashboards, and custom CRM systems. These portals are designed to centralize data, improve communication, and streamline business workflows.
Which technologies do you use?
I primarily work with the .NET ecosystem, including ASP.NET, along with modern front-end technologies such as HTML, CSS, and JavaScript. I also design and manage secure databases and integrate third-party APIs when needed