Hire the Best Umbraco Developers in Hanoi, VN

- 9+ years in building scalable .NET applications 🔥🔥🔥🔥🔥WHY SHOULD YOU HIRE ME ?🔥🔥🔥🔥🔥 ✅ Communication ✅ High availability ✅ Fast and professional work ✅ Solid, maintainable ✅ Manage and ensure product delivery time ⭐️⭐️⭐️⭐️⭐️ SKILLSET⭐️⭐️⭐️⭐️⭐️ ✅Back-End - .NET, .Net Framework, .NET Core, .NET 7, ASP MVC, RabbitMQ, Kafka, EF Core, MS SQL Server - .NET Core, ASP.NET Core, Blazor, Razor Page. - Entity Framework Core (code first & database first), Dapper - Asynchronous and multithreading - C# , async-await ✅ Front-End: Angular, Vue Js, React, HTML, CSS, JQuery, Plain JS, TypeScript, Blazor, Razor, ABP ✅ Databases: SQL Server, Postgresql, MySQL, MongoDB, Firestore, Redis, Firebase ✅ Testing: XUnit, NUnit ✅ Authentication & Authorization: JWT, OAuth2, OpenID Connect ✅ External login (Google, Loyalty) ✅ Logging: Serilog, Datadog, Sentry, Log4net ✅ Search Engine: Solr, Elastic ✅ Cloud: Azure, GCP, AWS ✅ Others: Docker, Kubernetes, Gitlab, Git Flow, Design Pattern, Multi tenants, RabbitMQ, Kafka, iTextsharp, Chat GPT ⭐️⭐️⭐️⭐️⭐️ WHAT I OFFER AND SATISFY YOU ⭐️⭐️⭐️⭐️⭐️ ✅ REST API design, implementation, and integration ✅ Database architect, optimization, and profiling ✅ API Integration ✅ Caching ✅ Cron / Background / Windows service ✅ Web Service ✅ Payment Integration (Adyen, 2c2p, Napas)

I’m a Senior .NET Developer combined with a Business Analyst mindset, with 10+ years of experience delivering and rescuing business-critical systems. I don’t just develop features — I analyze business workflows, fix system bottlenecks, and deliver scalable solutions that actually improve operations. In addition, I bring strong UI/UX implementation skills, allowing me to turn designs into pixel-perfect, production-ready interfaces — ensuring both performance and user experience. 🏆 Top Rated Freelancer 🏆 100% Job Success Score 💰 $10,000+ Earned 🚀 What I Specialize In 🔹 ERP / CRM / Business Systems Development Design and build systems for Sales, HRM, Warehouse, Manufacturing, Fleet Management Translate business requirements into scalable technical solutions 🔹 Legacy System Modernization (.NET) Upgrade old systems (.NET MVC, WebForms) → .NET Core / Blazor Refactor messy codebases into maintainable architectures Improve system performance, stability, and scalability 🔹 System Performance Optimization Fix slow systems (database queries, API latency, UI rendering) Optimize SQL, backend logic, and frontend performance 🔹 Pixel-Perfect UI Development (Figma / Adobe → Code) Convert Figma / Adobe XD / Photoshop designs into responsive HTML/CSS Ensure pixel-perfect accuracy across devices and browsers Implement UI using Blazor, DevExpress, Telerik 🔹 Business Analysis + Technical Execution Analyze workflows and suggest better system design Reduce operational inefficiencies through smart automation 💡 Why Clients Hire Me I think like a business owner, not just a developer I can quickly understand complex legacy systems and take ownership I proactively identify risks, bottlenecks, and better approaches I communicate clearly and provide regular progress updates 🧠 Tech Stack Backend: C#, .NET Core, ASP.NET MVC, Web API, Entity Framework Frontend: Blazor, HTML, CSS, JavaScript, Bootstrap, jQuery UI Frameworks: DevExpress, Telerik (Kendo UI), Syncfusion Database & Data: SQL Server, PL/SQL, OLAP, MDX Other: Python, ETL, Power BI, Excel, .NET MAUI 🎯 Productized Services (Fixed Scope – High Value) 💼 ERP / CRM System Audit – from $200 - Review architecture, database, and workflows - Identify bottlenecks & risks - Provide actionable improvement plan ⚡ Fix Slow .NET System – from $300 - Analyze performance issues (SQL / API / UI) - Optimize response time and system stability - Deliver measurable improvements 🔧 Legacy System Upgrade (.NET MVC → .NET Core / Blazor) - Codebase assessment - Migration strategy - Step-by-step modernization plan 📊 Database & Query Optimization – from $150 - Analyze slow queries - Optimize indexes and execution plans - Improve overall system performance 📌 Best Fit Clients - Companies running old .NET systems with performance issues - Businesses needing ERP / HRM systems built or improved - Founders who want a developer that understands business, not just code 💬 Let’s Work Together If your system is slow, hard to maintain, or no longer fits your business — I can help you analyze, fix, and upgrade it efficiently.

I am a fully creative and patient person. Being a highly self-motivated quick learner, I always aspire to achieve targets within the time frame for the assigned projects. In addition, I always have responsibility for myself as well as any tasks that I undertake. I'm 5 years experienced .Net developer with an extensive knowledge of C#, Sitecore CMS, and 3 years of Azure.