Quoc Nguyen

Quoc Nguyen

Technical Lead & Solution Architect

Seasoned Technical Lead & Solution Architect with 15+ years driving impactful software solutions using .NET, Microservices, Cloud technologies, and Agile methodologies.

About Me

With over 15 years in software development, I am a passionate Technical Lead & Solution Architect focused on delivering innovative and impactful solutions. I possess deep experience in leading cross-functional teams, architecting complex systems (Microservices, Event-Driven), and mastering the .NET ecosystem (C#, WPF, ASP.NET Core, MAUI). My expertise spans both enterprise-level applications and cutting-edge mobile solutions.

As a certified Project Management Professional (PMP) with strong Agile methodologies knowledge, I excel at managing complex projects from conception to delivery. I have a proven track record of optimizing development processes, implementing CI/CD pipelines, and ensuring high-quality code through automated testing strategies.

I am committed to delivering high-quality products on time and exceeding expectations. I continuously seek new challenges and opportunities to leverage cutting-edge technologies for driving success in today's rapidly evolving tech landscape.

Download Resume

Skills

Languages & Platforms:

C# .NET Framework .NET Core MAUI JavaScript Python SQL Node.js Java TypeScript

Web & Services:

ASP.NET MVC ASP.NET Core WebAPI Blazor gRPC RESTful Services OAuth/JWT Swagger/OpenAPI WCF React Angular HTML5 CSS SASS

Desktop:

WPF (MVVM, MEF) WinForms Xamarin

Databases:

MS SQL Server MongoDB SQLite PostgreSQL MySQL Firebase Redis

Architectures & Patterns:

Microservices SOA Event-Driven Design OOP Design Patterns Clean Architecture DDD CQRS Hexagonal Architecture

Cloud & DevOps:

Azure DevOps (CI/CD) Azure Services Azure API Management AWS (SQS, S3, Lambda) AWS AppSync Docker Kubernetes Git GitHub Actions GitLab CI Jenkins

Methodologies & Tools:

Agile Scrum Kanban PMP TDD BDD Selenium Unit Testing Integration Testing Automated Testing JIRA Confluence

Experience & Projects

Retail Management Hero (RMH)

May 2015 – Present | Technical Lead & Solution Architect | Ho Chi Minh City, Vietnam (Remote)

RMH Point of Sale Ecosystem

Lead Architect & Developer

  • Architected and led development of enterprise POS system serving 60+ stores
  • Implemented microservices architecture using gRPC and Hub Service patterns
  • Designed robust data synchronization framework for multi-store deployment
C# .NET Microservices gRPC SQL Server

RMH Mobile Solutions

Technical Lead

  • Led development of cross-platform mobile applications for inventory and sales
  • Implemented hybrid solutions using MAUI and Xamarin
  • Integrated with core POS system via RESTful APIs
MAUI Xamarin WebAPI Azure DevOps

RMH Cloud Integration Platform

Solution Architect

  • Designed and implemented cloud-based integration platform for multi-store operations
  • Created event-driven architecture using Azure Service Bus and Azure Functions
  • Developed real-time analytics dashboard for business intelligence
  • Implemented CI/CD pipelines for automated deployment
Azure Event-Driven Microservices CI/CD Docker

RMH Enterprise API Gateway

Lead Architect

  • Designed and implemented a centralized API Gateway for the RMH ecosystem
  • Built secure authentication and authorization system using OAuth 2.0 and JWT
  • Implemented rate limiting, caching, and request transformation features
  • Created comprehensive API documentation with Swagger/OpenAPI
ASP.NET Core OAuth/JWT API Gateway Swagger Azure

DNAfor.NET

May 2011 – Jul 2015 | Senior Software Developer | Ho Chi Minh City, Vietnam

ChartLogic Healthcare EMR

Senior Developer

  • Developed comprehensive EMR system with complex healthcare integrations
  • Implemented MVVM architecture with WPF for robust desktop application
  • Built service layer using WCF for seamless third-party integrations
WPF MVVM WCF SQL Server

GoComics Mobile Application

Lead Mobile Developer

  • Built cross-platform mobile app for comic content delivery
  • Implemented hybrid solution using Ionic and Cordova
  • Integrated content management system with MongoDB
Ionic Cordova MongoDB JavaScript

Independent Consulting

Jan 2011 – Present | Expert Software Developer | Remote

DN Game Studio Projects

Technical Lead & Project Manager

  • Led development team for multiple Unity-based game projects
  • Implemented cloud infrastructure using Azure and AWS
  • Managed full project lifecycle and client relationships
Unity Azure AWS .NET

Enterprise Solutions Portfolio

Solution Architect

  • Developed Retail Hero Hybrid - comprehensive retail management solution
  • Created Tulip AppXDev - application development platform
  • Built IP Quick Switcher utility tool
Microservices WPF SOA Azure DevOps

Featured Projects

RMH Ecosystem (Point of Sale)

Comprehensive, large-scale POS system including Store Manager, Loyalty, Account Receivable modules, and custom SDK.

Role: Technical Lead

Key Contributions: Architected core microservices and event-driven components, led development teams, designed sync framework, ensured scalability and performance.

C# WPF gRPC Microservices Event-Driven SQL Server Azure DevOps

ChartLogic Healthcare EMR

Complete EHR/EMR solution with advanced features like voice commands/dictation.

Role: Senior Developer

Key Contributions: Developed key features using WPF/MVVM, implemented WCF services, integrated third-party tools (Dragon Naturally Speaking, Telerik).

C# WPF MVVM WCF Entity Framework SQL Server

DN Game Studio Projects (PPH Poker, Fish Hunter)

Multiplayer real-time games with blockchain/web3 integration and arcade gameplay.

Role: Lead Developer / Project Manager (Outsourced Project)

Key Contributions: Led team, designed game loop architecture, implemented core game logic and backend microservices, integrated blockchain elements.

.NET Unity Arduino Microservices Azure Web3

LSB Organization (Amazon Seller Tools)

Suite of tools for Amazon sellers automation and commercial website.

Role: Lead Developer / Project Manager (Outsourced Project)

Key Contributions: Managed project team, designed architecture, developed backend services and frontend components.

.NET Blazor Windows Service Microservices AWS Amazon API

RMH Enterprise API Gateway

Centralized API management solution for the RMH ecosystem with advanced security and monitoring features.

Role: Lead Architect

Key Contributions: Designed the overall architecture, implemented OAuth 2.0/JWT authentication, created API documentation standards, and built monitoring dashboards.

ASP.NET Core OAuth/JWT API Gateway Swagger Azure Application Insights

Education & Certifications

BSc in IT Software Engineer

Hoa Sen University, Ho Chi Minh City (GPA: 3.2)

Jan 2007 – Dec 2011

Certifications

  • PMI Project Management Professional (PMP) - Aug 2022
  • Microsoft Certified: Azure Developer Associate - Mar 2023
  • AWS Certified Developer - Associate - Nov 2023
  • Microsoft Certified: Azure Solutions Architect Expert - Jan 2024
  • Software Architecture & System Design (Udemy) - Jun 2022
  • Microservices Architecture and Implementation (Udemy) - Sep 2022
  • Agile Fundamentals: Including Scrum & Kanban (Udemy) - Jan 2023
  • Docker & Kubernetes: The Complete Guide (Udemy) - Apr 2023
  • Advanced Cloud Architecture Patterns (Coursera) - Feb 2024

Languages

  • English: Professional working proficiency
  • Vietnamese: Native proficiency

Contact

Let's connect! I'm open to discussing new opportunities and collaborations.

Email

nmquoc89@gmail.com

Phone

(+84) 79 200 10 73

LinkedIn

Connect on LinkedIn

GitHub

View Projects

Location

Dist. 7, Ho Chi Minh City, Vietnam