Hire the Best .NET Compact Framework Developers
in Vietnam

Hello, I’m Jason Nhien Truong, a Senior Software Engineer and Software Architect with over 20 years of professional experience delivering reliable, maintainable software solutions for businesses across multiple industries. I specialize in C# and .NET development, Windows desktop applications, enterprise web systems, SQL databases, and Azure-based platforms. I help clients modernize legacy systems, stabilize and scale existing products, and build new applications with a strong focus on performance, usability, and long-term maintainability. I work closely with stakeholders to translate business needs into practical, well-structured technical solutions. What I offer Full-stack .NET development I work across the .NET ecosystem, from legacy ASP.NET Web Forms to modern .NET 8 APIs and microservices. I design secure, scalable backend systems with clean architecture and clear separation of concerns. Windows desktop application development I have extensive experience building and maintaining Windows desktop applications using WinForms and WPF, including MVVM-based WPF applications. I focus on responsive UI behavior, clean data binding, maintainable ViewModel design, and user-friendly workflows for business-critical desktop software. Enterprise UI with DevExpress and Telerik I have deep expertise with DevExpress and Telerik controls for WinForms and web applications. I redesign and modernize complex UIs to improve usability, consistency, and performance without breaking existing business logic. Database architecture and optimization Strong experience with SQL Server, PostgreSQL, MySQL, and Azure SQL. I design schemas, optimize queries, and ensure data integrity and stability in production systems. Azure cloud and DevOps Hands-on experience deploying and maintaining applications on Azure, including CI/CD pipelines, containerized services, background processing, and cloud-based integrations. Testing and automation I write unit and integration tests using xUnit and NUnit, and implement automation with Selenium and AutoIt to improve quality and reduce regression risk. Key technical skills Languages and platforms C#, .NET Core, .NET 8, ASP.NET, SQL, JavaScript, HTML, CSS, Python Desktop development WinForms, WPF, MVVM, DevExpress WinForms, Telerik UI Frameworks and tools Entity Framework, LINQ, Docker, Azure DevOps Databases SQL Server, PostgreSQL, MySQL, MongoDB, Azure SQL Cloud and monitoring Azure, Kubernetes, Azure Service Bus, Prometheus, Grafana Architecture Microservices, Clean Architecture, Domain-Driven Design Selected projects Web forecasting application maintenance Maintained and enhanced a legacy ASP.NET Web Forms application using SQL Server 2022 and Telerik UI. Improved UI workflows, business logic, and performance. Betx – cloud-native microservices platform Developed backend microservices using .NET 8 and Web API. Worked on PostgreSQL data modeling, Azure Kubernetes deployment, secure APIs, messaging, and observability with Prometheus and Grafana. Custom ERP system for manufacturing Built a custom ERP system using C# and SQL Server, including workflows, reporting, role-based access, and third-party integrations. Carrier pricing API integration Integrated FedEx and UPS APIs for real-time pricing, data synchronization, and robust error handling with retries and logging. Why work with me I bring deep technical experience, strong ownership, and a business-focused mindset. I communicate clearly, meet commitments, and build software that remains stable and maintainable over time. Availability Open to full-time or part-time engagements. Flexible with time zones for long-term projects. If you’re looking for a senior .NET engineer who can handle both backend systems and Windows desktop applications with confidence, feel free to reach out.

*** 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.

With over 10 years of full-stack development expertise, I specialize in: - C#/ WPF for developing Cross-platform application. Creating on demand installer with WIX, NSIS - Java 17 with Spring Boot for robust backend solutions. - Data JPA with PostgreSQL, MySQL for effective data management. - Angular/React + TypeScript for dynamic frontend development. - Deploying on ECS/EKS in AWS for scalable backend services. - AWS Amplify, Vercel, Firebase for streamlined frontend deployment. - AWS Gateway, VPC for ensuring service security. - Proficient in CI/CD pipelines for automated testing and deployment. I excel in delivering end-to-end software solutions, from requirement gathering to production deployment. My focus is on creating efficient, maintainable software with a solid foundation in Java and object-oriented design principles. Let's discuss how I can contribute to your projects.

Software Engineer | .NET Specialist With over 14 years of experience, I specialize in building robust, scalable applications using .NET technologies, particularly C# and .NET Core. My expertise spans backend development, system design, and creating solutions that meet business objectives efficiently. What Sets Me Apart as a Professional ✅ Effective Communication – Clear, concise, and collaborative. ✅ Quick Learner – Rapidly adapt to new technologies and methodologies. ✅ Resilient Work Ethic – Persistent and disciplined in overcoming challenges. ✅ Task & Time Management – Deliver quality work under tight deadlines. ✅ Prioritization – Focused on what matters most to meet goals effectively. Key Technical Skills ⭐ Strong foundation in Object-Oriented Programming (OOP) and System Design. ⭐ Deep understanding and application of design patterns in software solutions. ⭐ Proficient in REST API design, architecture, implementation, and integration. ⭐ Skilled in version control systems, including GitHub and GitLab. Core Competencies ⭐ Backend Development: Building robust applications using .NET Core. ⭐ Microservices Architecture: Developing with clean, scalable design principles. ⭐ Unit Testing & TDD: Ensuring high-quality code through test-driven development. ⭐ CI/CD Pipelines: Creating automated workflows using Git and other CI tools. ⭐ Database Management: Working with both RDBMS (SQL Server, MySQL) and NoSQL (MongoDB). ⭐ Web Applications: Creating responsive web apps using Angular 2+ and modern frontend frameworks. ⭐ REST APIs: Developing APIs to power mobile and frontend applications. Tech Stack ✅ Languages & Frameworks: C#, .NET Core, React, TypeScript, JavaScript, jQuery. ✅ Databases: SQL Server, MySQL, MongoDB. ✅ DevOps & Tools: Azure, GitHub, GitLab, CI/CD pipelines. ✅ Methodologies: Test-Driven Development (TDD), Clean Architecture, Agile practices. Thank you for taking the time to review my profile. – Kiet Le

◈ Top Rated Plus freelancer with 100% Job Success on Upwork ◈ More than 17 years of experiences using Microsoft tech stack to develop Web, Mobile and Windows based applications, with strong analytical skills and a broad range of computer expertise. ◈ An excellent problem-solver, able to quick grasp complex systems and identify opportunities for improvements and resolution of critical issues. ◈ Dynamic and committed in continue gaining knowledge of the business domain and latest technologies ◈ Excellent team player, skilled in enlisting the support of all team members in aligning with project and organizational goals.