Senior Full-Stack Developer / System-Oriented

Đặng Ngọc Duy
Justin Dang.

Building Scalable Web Systems & Secure Architectures

7+ years engineering high-performance web applications, cloud-native enterprise platforms, and resilient event-driven architectures with TypeScript, React, Angular, Node.js, and Java.

Explore key work ↓ Connect on LinkedIn ↗
Đặng Ngọc Duy, Senior Full-Stack Developer
● Available for Select Projects & Roles
TypeScript✳Angular / React✳Node.js✳Java Spring Boot✳AWS & Kubernetes✳System Security✳Proxmox & Docker

Core Competencies

Engineering precision
across the stack.

01

Frontend & UI Architecture

Advanced TypeScript, Angular, React, VueJS, design systems, framework-agnostic UI patterns, lazy-loading optimizations for millions of records, and fluid responsive design.

02

Backend & Distributed Services

Robust API-driven services built with Node.js, Java Spring Boot, and ASP.NET. Relational database optimization (PostgreSQL, MS SQL, Oracle) and event-based workflows.

03

Cloud-Native & DevOps

Production environments on AWS (EC2, EKS/Kubernetes, S3, CloudWatch), automated CI/CD pipelines (GitLab CI, Jenkins), containerization, observability, and automated backup/recovery.

04

System Administration & Security

Master student in Information Security (UIT). Virtualization, reverse proxying, secure service isolation, and edge architectures.

Selected Work & Impact

Enterprise scale & real-world reliability

Real-time communication and messaging platform interface

Enterprise Scale / Real-Time Communication

Real-Time Collaboration Platform

Engineered high-concurrency messaging and case-handling workflows integrated seamlessly with cloud services and AI chatbot endpoints. Optimized state management and component rendering for smooth user experiences.

TypeScriptAngular / ReactCloud Integration
Discuss enterprise architecture ↗

Fintech & High-Volume Data

Enterprise Collections & Payment Systems

Developed robust frontend interfaces and backend APIs handling millions of records. Implemented chunk-based resumable bulk uploads (>300MB), data visualization graphs, and reusable embedded payment modules across multiple internal platforms.

Node.jsJava Spring BootPostgreSQLAWS EKS
Explore data handling solutions ↗
Platform interface for mapping and management workflows

Homelab & Infrastructure Craft

Production-grade rigor
at home.

Proxmox Virtualization

Self-built infrastructure running containerized services, automated backups, and resilient storage pools.

Cloudflare Tunnel & NPM

Secure zero-trust external access, SSL termination, and rigorous service isolation.

IoT & Event-Driven Flows

MQTT protocol handling, Zigbee modules, and Home Assistant ↔ n8n automation pipelines mirroring edge architectures.

Background

Mastering code &
system security.

With 7+ years of professional full-stack development experience in banking and enterprise environments, I bridge the gap between elegant frontend user experiences and resilient, secure backend infrastructure.

TypeScriptAngularReactNode.jsJava Spring BootAWS / KubernetesPostgreSQLDockerInformation Security

Master of Information Security (UIT) • Bachelor of Software Engineering (HUTECH)

Get in touch

Let’s build resilient
systems together.

Open for senior full-stack roles, consulting, and challenging engineering projects.

Connect on LinkedIn ↗