Hire the Best .NET Core Developers
in Vietnam

*** My experience *** I have implemented multiple C# / .NET / ASP.NET [Core] [MVC] / RESTful / JS/TS / SQL Full-Stack solutions and it will be my pleasure to do so again for you and make your project successful. I have worked for 7 years for a company specializing in that stack before moving to online freelancing iin 2022, hence my expertise. For JS/TS, I have implemented solutions with both React and Angular. *** About me *** I'm a Canadian expat living in Vietnam. I worked for 7 years as a software developer for a Canadian company before moving to online freelancing in late 2022. I learned programming in 2003 when I was 13 and made simple apps on and off for a few years before getting hooked for good around 2013. I've since programmed almost every siingle day, occasionally on hobby projects as well as for work since 2015. *** What to expect *** As your freelancer, my priority is making your project a success. I care about it personally, and I mean it. As a programmer, my priority is quality (of code and UX). I design for long-term maintainability, performance, and scalability. I love what I do, and I care to do it well.

I’m a developer with highly skilled and results-driven .NET developer with 10 years of experience, specializing in Sitecore CMS. Adept at developing robust, scalable, and efficient web applications using the .NET framework. Strong knowledge of C#, ASP.NET, and MVC architecture, combined with a deep understanding of content management systems. Committed to delivering exceptional solutions that meet client requirements and exceed expectations.

🚀 Welcome to My Profile! 🚀 I am a Software Engineer with 5+ years of experience in software development. My expertise spans Python, .NET, C#, SQL Server, Node.js, Vue.js, and React.js, and I am committed to delivering high-quality solutions tailored to your needs. 🔹 My Services: ✅ Website Development 🌐 ✅ Automation Development ⚙️ ✅ AI Integration 🤖 ✅ Web Scraper Development 🕵️‍♂️ ✅ Discord Bot Development 🤖 ✅ Telegram Bot Development 📩 ✅ AI Application Development 🧠 ✅ Windows Application Development 🖥️ ✅ Unity Game Development 🎮 ✅ CI/CD Pipeline Setup 🔄 ✅ Version Control (Git, SVN) 🗂️ 💡 Let's collaborate and bring your ideas to life! Feel free to reach out. 🚀

✅ Top-Rated Senior Developer ✅ 100% Job Success Score ✅ Available for full-time, long-term projects on Upwork (40+ hours/week) ✅ Government ID Verified ✅ Professional Experience ✅ Expertise in .NET-based Web Applications, RESTful APIs, SPA architectures, CMS solutions, and enterprise-grade systems I’m a Senior Full-Stack .NET Developer with 6+ years of hands-on experience delivering and optimizing production-ready applications using C#, ASP NET / .NET Core, ABP Framework, and frontend technologies such as Angular, React, and modern JavaScript frameworks. I work across both backend and frontend, focusing on APIs, database design, performance optimization, and building responsive, user-friendly interfaces. What I Help You With - Custom web applications & system upgrades - Secure, efficient API integrations - Performance optimization & code refactoring - Long-term maintenance & scalability improvements Technical Expertise - Backend: C#, ASPNET MVC/Core, Web API, EF/EF Core, ABPio - Frontend: Angular, React, Vue, Blazor WASM, Nextjs, Tailwind, Telerik/Kendo UI - Databases: SQL Server, Azure SQL, MySQL, PostgreSQL, MongoDB - Cloud & Tools: AWS, Azure, Git, Visual Studio, CI/CD - Platforms: Windows Server, Linux, macOS Why Choose Me ✔ Clean, scalable, and maintainable code ✔ Fast delivery without sacrificing quality ✔ Client-focused communication ✔ High-performance, real-world applications ✔ Money-back guarantee & long-term discounts Availability 🕒 Part-time or Full-time (40+ hrs/week) | Ready to start immediately 💬 Response within 1 hour | Flexible time zones 👉 Click “Hire Now” or “Invite to Interview” to get started. Best regards, Le Xuan Thuan

25+ years of experience. Author of AccomNET accounting/sales software. Skills: .NET Framework: VB.Net/C#/VBA ASP.Net/ASP.Net Core/ Blazor Flutter Python React, Vue.js, Next.js Microsoft SQL Server

🏆 Top-Rated Developer (Top 10% on Upwork) | 6+ Years | 40+ Project Launched. I have successfully launched MVPs in FinTech, E-commerce, and IoT, serving thousands of active users and handling millions of transactions. I am a Senior Full-Stack Developer with 6+ years of experience specializing in turning complex ideas into market-ready SaaS products. Why work with me? I am not an agency. I take full ownership of your project from the first line of code to deployment. My CoreTech Stack: Frontend: Next.js (ISR/SSR optimization), React, Vue.js, TypeScript, Tailwind CSS. Backend: Nest.js, Node.js, .NET, Microservices. Database & Security: PostgreSQL (RLS Specialist), MySQL, Redis, Supabase, Firebase. Infrastructure: AWS (EC2, S3, RDS, Lambda), Docker, CI/CD pipelines. Expertise for Your MVP: - Multi-Tenancy & RBAC: Implementing complex Role-Based Access Control and tenant isolation at the database level. - High-Performance Systems: Experience building high-frequency trading tools with sub-second latency and real-time data processing. - Third-Party Integrations: Expert in API Gateways, Payment Gateways (Stripe), and real-time communication via RabbitMQ or WebSockets. Featured SaaS Successes: - YesWeBook (Vietnam): Built an industry-leading B2B CRM for 500+ salons, resulting in a 40% increase in bookings - Enterprise Copy Trade: Developed a microservices-based FinTech platform for 1,000+ active traders - OnPoint E-commerce: Engineered a SaaS analytics dashboard with BI reporting and marketing automation Keyworks: Full Stack Developer , Backend Developer, Frontend Developer, React developer MERN developer, SaaS MVP Development, Multi-tenant Architect, PostgreSQL RLS, Supabase, Next.js Developer, NestJS Developer, Microservices, FinTech Developer, HealthTech, IoT Backend, Low-Latency Systems, Event-Driven Design, Elasticsearch, RabbitMQ, RBAC, CI/CD, AWS Developer, Clean Architecture, Product Development, Startup SaaS Specialist.