console.log('Hello, World!');

NGUYEN VIET ANH

const role = ["System Architect"]

Hi, I'm Nguyen Viet Anh, a System Architect with 5+ years designing scalable, secure systems. I specialize in distributed architecture and cloud-native design.

Experimental Mindset
Nguyen Viet Anh - System Architect
Node.js React AWS Docker PostgreSQL Go TypeScript Redis GraphQL Kubernetes Python Java Node.js React AWS Docker PostgreSQL Go TypeScript Redis GraphQL Kubernetes Python Java

class SystemArchitect implements ScalableSystems

~/about/profile.md

# Profile Summary

System Architect with 5+ years of experience designing and implementing scalable, secure, and high-availability systems for web, app, and platform.

Strengths: distributed architecture, cloud-native design, cost optimization, and monolith-to-microservices migration.

Approach: Experimental mindset, iterative improvement, data-driven decisions

Key focus: Scalability • Reliability • Security • Performance • Cost Optimization

~/about/competencies.md

# Core Competencies

Architecture Patterns: Monolith, Microservices, Event-driven, CQRS, Hexagonal

System Design: High-load systems, Fault-tolerant, Multi-region

Cloud & Infrastructure: Cloud-native, IaC, CI/CD

Security: IAM, Zero Trust, Data Encryption, Compliance-ready

Performance: Caching, Load balancing, Async processing

~/about/tech-stack.md

# Technology Stack

Backend & APIs: Node.js, Java, Go, Python • REST, GraphQL, gRPC, FastAPI

Frontend: Next.js, React.js, TypeScript, Node.js

Data Analysis: Pandas, NumPy, Jupyter

Cloud & Infrastructure: AWS (EC2, EKS, S3, RDS), Azure • Docker

Databases: PostgreSQL, MySQL • MongoDB, Redis

DevOps & Observability: GitHub Actions, GitLab CI

System Status
Problem Solving
ACTIVE
Learning Mode
ACTIVE
Collaboration
ACTIVE
0
Projects
0
Clients Helped
0
Years Experience
0
Technologies Used

const skills = {

Architecture & Patterns:

}

Cloud & Infrastructure:

}

DevOps & Observability:

}

Programming Languages:

}

Databases & Storage:

}

Tools & Frameworks:

Git & GitHub
Docker
Figma
Postman
VS Code
Notion
}

Security & Compliance:

}

git log --graph experience

IT Consultant

2025-01-01 - Present
Happy Teachers Academy

At Happy Teachers Academy, I am responsible for assessing and optimizing our IT infrastructure, implementing EdTech solutions, and supporting teachers and staff with technical training and troubleshooting. My goal is to create a seamless and secure digital environment that empowers both educators and students to achieve their best.

Optimized IT infrastructure
Implemented EdTech
Teacher technical training
PHP Enterprise Consulting

Developer

2024-01-01 - Present
TGN Digital

At TGN Digital, I lead research, development, and deployment of custom web applications and dashboards for F&B, education, and e-commerce clients.

Business Research
Exploratory Data Analysis
Client Solutions
Full-stack Development
PHP Python JavaScript

Python Developer

2023-09-01 - 2024-01-31
Hodfords

Designed and implemented high-performance, scalable, and secure Python applications using the FastAPI framework, Docker and MongoDB. Developed RESTful APIs and integrated them with front-end elements using asynchronous programming concepts.

Built FastAPI microservices
Containerized with Docker
Integrated MongoDB
Python FastAPI Docker MongoDB

Data Analyst

2023-03-01 - 2023-08-31
GlobalShala

Spearheaded strategic business planning by leveraging advanced data mining, visualization, and business intelligence techniques. Executed comprehensive customer behavior analysis, employing preference visualization and K-means clustering to unveil key patterns. Generated actionable insights to inform decision-making.

Strategic Planning
Data Mining
Customer Analysis
Preference Visualization
Clustering
Insight Generation
SQL Tableau Python Data Mining

Data Analyst

2023-03-01 - 2023-08-31
Data Group & The Forage Internship

Utilized Python, SQL, and Tableau for data processing, visualization, and analysis, ensuring accurate insights and actionable business decisions while keeping up with evolving data visualization trends and technologies.

Python data processing
SQL analysis
Tableau visualization
Business decision support
Python SQL Tableau

git log --oneline projects

git log --oneline system/

No projects yet.

git log --oneline data/

No projects yet.

function analyzeProcess ()

1

Business Process Mapping

Identify current workflows, pain points, and inefficiencies in existing systems.

Current Issues Found:
  • Manual data entry causing 30% delay
  • No centralized data management
  • Poor communication between departments
2

Requirements Analysis

Gather functional and non-functional requirements from all stakeholders.

Current Issues Found:
  • Unclear requirements documentation
  • Missing acceptance criteria
  • Inconsistent user stories
3

Gap Analysis

Compare current state vs. desired state to identify improvement opportunities.

Current Issues Found:
  • 4x slower processing than industry standard
  • 60% of tasks require manual intervention
  • No real-time reporting capabilities
4

Solution Design

Propose optimized architecture and automation strategies.

Solution Provided:
  • Automated workflow with 90% reduction in manual tasks
  • Centralized CRM with real-time sync
  • Custom dashboard with live analytics

class SystemArchitecture

scalable
system architecture
for production

A four-layer architecture designed for high availability, independent scaling, and fault isolation. Each layer has a single responsibility, connected through well-defined APIs and async messaging.

Client Layer
API Gateway
Services
Data Layer
Client Browser • Mobile • IoT

React / Next.js SPA, React Native mobile, third-party webhook consumers, IoT edge gateways.

HTTPS WebSocket gRPC-Web
API Gateway Auth • Rate Limit • Cache

Centralized entry point handling authentication, rate limiting, request routing, and response caching.

Kong / Nginx JWT Redis Cache
Services User • Order • Payment

Independent microservices with dedicated databases, communicating via async events and sync REST/gRPC.

Node.js Go RabbitMQ
Database PostgreSQL • Redis • S3

Polyglot persistence: relational for transactions, document store for flexible schemas, object storage for assets.

PostgreSQL MongoDB S3

Monolith

Single unified application - best for small teams and MVP.

  • Simpler deployment
  • Lower initial cost
  • Easier debugging
  • Team size: 1-5 developers

Microservices

Distributed system - best for scalable enterprise apps.

  • Independent scaling
  • Technology flexibility
  • Fault isolation
  • Team size: 10+ developers

Serverless

Cloud-native functions - best for event-driven workloads.

  • No server management
  • Pay-per-use pricing
  • Automatic scaling
  • Ideal for: APIs, Background jobs

const webServices = {

Custom Website Development

End-to-end web application development using modern frameworks and best practices.

  • Responsive Design (Mobile-first)
  • SEO Optimization
  • Performance Tuning (Lighthouse 95+)
  • Accessibility Compliance (WCAG 2.1)

E-commerce Solutions

Full-featured online stores with secure payment integration and inventory management.

  • Multiple Payment Gateways
  • Inventory & Order Management
  • Customer Portal
  • Analytics & Reporting

API Development & Integration

RESTful and GraphQL APIs with comprehensive documentation and third-party integrations.

  • RESTful & GraphQL APIs
  • Third-party Integration
  • API Documentation (Swagger)
  • Rate Limiting & Security

Security & Compliance

Comprehensive security audits and implementation of best practices.

  • Penetration Testing
  • Vulnerability Assessment
  • GDPR/CCPA Compliance
  • Security Monitoring
}

const techSolutions = [

Enterprise

E-commerce Platform

Full-stack online store solution

Complete e-commerce platform with payment processing, inventory management, and customer portal. Handles high traffic and secure transactions.

Payment Gateway
Inventory Sync
Order Tracking
Analytics Dashboard
Next.js Node.js PostgreSQL Stripe
SaaS

CRM Dashboard

Customer relationship management

Modern CRM with sales automation, marketing tools, and customer insights. AI-powered recommendations and forecasting.

Sales Pipeline
Lead Scoring
Email Automation
Reporting
React Python MongoDB ML/AI
Analytics

Data Analytics Platform

Business intelligence solution

Real-time analytics platform with custom dashboards, data visualization, and predictive analytics capabilities.

Real-time Data
Custom Reports
Data Warehouse
API Access
Python Apache Kafka Elasticsearch Grafana
Mobile

Mobile App Backend

Scalable API infrastructure

Robust backend infrastructure for mobile applications with push notifications, real-time sync, and offline support.

Push Notifications
Offline Sync
User Auth
Rate Limiting
Node.js Firebase Redis Docker
]

new CRMSystem ()

Customer Management

360-degree customer view with complete interaction history and segmentation.

Marketing Automation

Email campaigns, lead nurturing, and personalized marketing workflows.

Sales Pipeline

Visual pipeline management with forecasting and deal tracking.

Support Tickets

Integrated ticketing system with SLA tracking and knowledge base.

AI-Powered Insights

Predictive analytics, lead scoring, and automated recommendations.

Mobile App

Native mobile CRM access for field teams and managers on the go.

System Performance

Response Time 50ms
Uptime SLA 99.99%
Data Points/Day 1M+
Concurrent Users 10K+
API Calls/Month 50M
Data Security AES-256

function optimizeSystem ()

Performance Optimization

Improve system performance through code optimization, caching strategies, and database tuning.

0%
Faster Load
0%
Cost Reduced

Scalability Solutions

Design systems that automatically scale with demand using cloud-native technologies.

0x
Scale Capacity
0%
Availability

Security Hardening

Implement zero-trust security, encryption, and compliance frameworks.

A+
Security Grade
0%
Compliance

Reliability Engineering

Build fault-tolerant systems with chaos engineering and disaster recovery.

0
Uptime
0
Min RTO

new InteractiveShowcase ()

Browse all projects. Click any card to view details.

class InteractiveArchitecture ()

Click on each layer to explore the architecture. Watch real-time data flow and system metrics.

Client Layer

Web, Mobile, IoT

0K 0ms
Active

API Gateway

Auth, Rate Limit, Cache

0/s 0%
Active

Microservices

User, Order, Payment

0 0%
Active

Data Layer

PostgreSQL, Redis, S3

0GB 0/s
Active

const careerTimeline = [

Scroll horizontally to explore my career journey. Click on milestones for details.

2025-01-01 - Present

IT Consultant

Happy Teachers Academy

At Happy Teachers Academy, I am responsible for assessing and optimizing our IT infrastructure, implementing EdTech solutions, and supporting teachers and staff with technical training and troubleshooting. My goal is to create a seamless and secure digital environment that empowers both educators and students to achieve their best.

Optimized IT infrastructure Implemented EdTech Teacher technical training
PHP Enterprise Consulting
2024-01-01 - Present

Developer

TGN Digital

At TGN Digital, I lead research, development, and deployment of custom web applications and dashboards for F&B, education, and e-commerce clients.

Business Research Exploratory Data Analysis Client Solutions Full-stack Development
PHP Python JavaScript
2023-09-01 - 2024-01-31

Python Developer

Hodfords

Designed and implemented high-performance, scalable, and secure Python applications using the FastAPI framework, Docker and MongoDB. Developed RESTful APIs and integrated them with front-end elements using asynchronous programming concepts.

Built FastAPI microservices Containerized with Docker Integrated MongoDB
Python FastAPI Docker MongoDB
2023-03-01 - 2023-08-31

Data Analyst

GlobalShala

Spearheaded strategic business planning by leveraging advanced data mining, visualization, and business intelligence techniques. Executed comprehensive customer behavior analysis, employing preference visualization and K-means clustering to unveil key patterns. Generated actionable insights to inform decision-making.

Strategic Planning Data Mining Customer Analysis Preference Visualization Clustering Insight Generation
SQL Tableau Python Data Mining
2023-03-01 - 2023-08-31

Data Analyst

Data Group & The Forage Internship

Utilized Python, SQL, and Tableau for data processing, visualization, and analysis, ensuring accurate insights and actionable business decisions while keeping up with evolving data visualization trends and technologies.

Python data processing SQL analysis Tableau visualization Business decision support
Python SQL Tableau
]

function compareTechStacks ()

Compare different technology stacks for your project. Select options to see recommendations.

What type of project?

Expected scale?

Budget range?

function connectWithMe ()

~/contact/info.json
{
  "status": Available for opportunities,
  "interests": ["System Architecture", "Cloud & Scalability"],
  "response_time": < 24 hours
}

email

anh2101011@gmail.com

phone

+84 858 7474 05

location

Da Nang, VN

github.com/vanhanh210 linkedin.com/in/nvanh1011/

Get in Touch

I typically respond within 24 hours