Chung Dung Co — Software Engineer – Fullstack

Engineering Scalable Systems

Results-driven engineer specializing in Next.js, Nest.js, and Golang. Focused on high-performance backend architectures, distributed systems, and continuous optimization.

Technical Ecosystem

Independently researching Designing Data-Intensive Applications (DDIA) to master distributed environments[cite: 1].

Backend Architecture

  • Nest.JS
  • TypeScript
  • Golang
  • Dependency Injection

Frontend Ecosystem

  • Next.js (SSR, CSR)
  • React.js
  • Tailwind CSS
  • Framer Motion

Database & Storage

  • PostgreSQL
  • MongoDB
  • B-Tree Indexing
  • Redis

System Design

  • Microservices
  • Event-Driven
  • Concurrency
  • BullMQ

Auth & Security

  • JWT Rotation
  • Session
  • RBAC
  • IP Whitelisting

Deployment & DevOps

  • Docker
  • Docker Compose
  • Cloudflare DNS
  • Nginx

Professional Experience

Fullstack Software Engineer

Auris LLC

Jul 2024 – Aug 2026
  • Built a monolithic RESTful Core Management API in Golang with strict RBAC[cite: 1].
  • Developed an event-driven architecture for real-time WebSocket communication[cite: 1].
  • Engineered centralized biometric synchronization via Push Protocol[cite: 1].
  • Optimized direct DOM manipulations for a 2D interactive React web app[cite: 1].

Software Engineer Intern

Sota Tek

Jan 2024 – Apr 2024
  • Collaborated with senior engineers to develop and optimize backend API services[cite: 1].
  • Resolved software defects to improve overall application stability[cite: 1].