Quoc Nguyen

$ Senior .NET Team Lead · AI & Cloud _

Results-driven Technical Lead and Software Architect with over 15 years of experience designing, developing, and delivering scalable software solutions across enterprise systems, Healthcare, E-commerce, and Gaming domains. Proven ability to lead cross-functional, geographically diverse teams through the full software development lifecycle (SDLC).

Expertise in .NET stack (C#, WPF, ASP.NET Core, MAUI), Microservices, Event-Driven Architecture, and Cloud technologies (Azure, AWS). PMP certified with strong project management, stakeholder communication, and mentoring skills. Committed to continuous learning and leveraging technology to solve complex challenges.

.NET Technical Lead Software Architect PMP Certified Scrum & Agile Master

15+

Years Shipping

50+

Projects Delivered

15+

Certs & Courses

View Fully About Me Download Resume

What I Work With

Tools I've picked up over 15 years — some I genuinely like, others I tolerate

Languages & Platforms

C# .NET Framework/Core JavaScript / HTML5 SQL C++ WPF & WinForms MAUI & Xamarin Node.js

Web & APIs

ASP.NET (Core/MVC) WebAPI & REST Blazor gRPC SignalR WCF jQuery & CSS

Architecture & Patterns

Microservices / SOA Event-Driven Architecture MVVM Prism & MEF Entity Framework (LINQ) Design Patterns

Cloud & DevOps

Azure (Service Bus/Event Hubs) AWS (SQS, S3, API Gateway) Docker CI/CD & Git Azure DevOps

Gaming & Other

Unity Game Loop Architecture SDK Development Data Synchronization Telerik / Infragistics Windows Services

Databases

MS SQL Server MongoDB DocumentDB / CosmosDB Redis SQLite

Methodologies & Tools

PMP Certified Agile / Scrum / Kanban TDD Selenium Jira

Experience

Where the code went — and what it did when it got there

Retail Management Hero (RMH)

Technical Lead & Solution Architect

Jul 2015 – Present

RMH Retail Ecosystem

Directed the complete SDLC for large-scale enterprise system solutions, leading cross-functional teams in Vietnam and India.
Architected the RMH Ecosystem, a comprehensive, event-driven POS system including Store Manager, Loyalty, Account Receivables, and a custom SDK.
Designed and implemented the RMH Sync Framework for large-scale data synchronization between 60+ store clients and central servers.
Mentored team members and served as primary technical liaison between stakeholders and development teams.

C# .NET WPF/ WinForms Microservices Event-Driven Architecture MS SQL Server

Freelancer / Self-Entrepreneur

Operated as an independent consultant delivering custom software and managing outsourced projects worldwide via Upwork.
Led DN Game Studio: architected real-time multiplayer games (PPH Poker, Fish Hunter, Dragon Hunter) using Unity, .NET Microservices, and Azure.
Developed the LSB Organization project for Amazon Seller automation and website using .NET (WPF, Blazor), RabbitMQ, and AWS API.
Delivered robust enterprise and mobile apps including Retail Hero Hybrid, Tulip AppXDev.BillingSoft, OeeCoach, and DocTalk.

.NET Core/Blazor Unity AWS/Azure Xamarin/Ionic

DNAfor.NET

Senior Software Developer

May 2011 – Jul 2015

Healthcare & Mobile Solutions

ChartLogic Healthcare EMR: Implemented core EMR features and integrated third-party tools like Dragon Naturally Speaking and TxTextControl.
Developed Order Optimizer clinical content management (Silverlight/MVVM, WCF) and Physician Orders Management (ASP.NET, SignalR, WebAPI).
Built the GoComics app for Windows Phone 7/7.5 and created WestRock CodeGen using WPF and MVVM.

WPF/.NET Entity Framework WCF & WebAPI SignalR