Available for freelance / remoteViet Nam (Remote OK)

Senior Full-stack EngineerPHP, Node.js, Next.js

6+ years building high-performance web systems. Focused on backend architecture, database optimization, scalable system & performance engineering.

9+

Projects Shipped

26+

Technologies

6+

Years Experience

High-load

System Architecture

Dong Nguyen

About Me

I'm a full-stack engineer with 6+ years of experience building scalable web applications using PHP (Laravel), Node.js (NestJS), and Next.js.

I specialize in backend architecture, system performance optimization, database scaling (PostgreSQL / MySQL), and high-traffic system design.

My focus is on building stable, maintainable, and high-performance systems rather than just shipping features.

  • Designed & built scalable backend systems for high-load system
  • Deep experience in PostgreSQL performance tuning
  • Built high-traffic APIs, background job systems, event-driven architecture
  • Strong system thinking, debugging, optimization mindset

Tech Stack

Backend

  • PHP (Laravel, Symfony)
  • Node.js (NestJS, Express)
  • REST API
  • Event-driven architecture
  • Queue (Redis, RabbitMQ, BullMQ)

Frontend

  • Next.js
  • React
  • TypeScript
  • TailwindCSS
  • SEO & Performance tuning

Database & Infra

  • PostgreSQL
  • MySQL
  • Redis
  • Docker
  • Nginx / Linux / CI/CD

Experience

10/2025 — Present

Software Engineer

TechPulse Vietnam

  • Delivered full-stack development solutions for marketing service projects
  • Built end-to-end systems with focus on performance and scalability
  • Designed modular architecture for rapid feature development
03/2022 — 06/2025

Software Engineer

Axon Active Viet Nam

  • Built high-performance backend for e-commerce platforms handling high-concurrency
  • Optimized PostgreSQL queries reducing average response time by 60%
  • Implemented caching & indexing strategies for heavy reporting queries
04/2021 — 03/2022

Full Stack Developer

NAPA Global

  • Developed scalable crypto platform with wallet management & secure transactions
  • Ensured data integrity, system reliability, and robust security
  • Developed crypto payment application
04/2020 — 03/2021

Fullstack Developer

Newnet Vietnam

  • Developed e-commerce, real-time chat, CMS and CRM platforms
  • Built frontend and backend services using modern web technologies
  • Integrated third-party APIs and payment gateways
07/2017 — 04/2020

Backend Developer

Isobar Commerce

  • Developed scalable backend services for e-commerce using Salesforce Commerce Cloud
  • Ensured high performance and seamless integration with business workflows
  • Integrated third-party APIs for customer management

Featured Projects

Real-world projects I've designed, built, and shipped.

LinkPul
In Progress

LinkPul

Linkpul.com is a digital platform designed to optimize link management, performance tracking, and traffic analytics, helping individuals and businesses improve marketing effectiveness and operational efficiency.

PythonLaravelNextJsPostgresDBRedis+3
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Hairbow Center
Maintained

Hairbow Center

Hairbowcenter.com specializes in providing high-quality wholesale hair bows, headbands, clips, and handmade hair accessories for retailers, boutiques, and online sellers across the United States.

SymfonySyliusTwigMySQLjQuery+1
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Webstamp Service
Completed

Webstamp Service

Webstamp Service is the official online postage platform of Swiss Post, enabling users to create, customize, pay for, and print digital postage stamps directly online for domestic and international mail.

LaminasAureliaMySQLRedisVueJs+2
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E-Learning Platform
Completed

E-Learning Platform

A full-featured e-learning platform with course management, video streaming, and progress tracking.

Next.jsLaravelMySQLRedisDocker+1
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Shiseido Hong Kong
Completed

Shiseido Hong Kong

Trang web chính thức của Shiseido Hồng Kông là nền tảng trực tuyến giới thiệu toàn diện các dòng sản phẩm chăm sóc da, trang điểm và chống nắng của thương hiệu nổi tiếng đến từ Nhật Bản. Giao diện hiện đại, dễ sử dụng, hỗ trợ cả tiếng Anh và tiếng Trung, giúp người dùng dễ dàng tìm kiếm thông tin và mua sắm.

Safesforce Commerce CloudjQueryGulpSCSS
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Do Thanh Mien Trung
Completed

Do Thanh Mien Trung

Đô Thành Miền Trung là 1 trang web giới thiệu các dòng xe dothanh đến cho người dùng, nơi đây có tất cả các thông tin về các loại xe tải từ hạng nhẹ tới nặng, bạn có thể tìm kiếm và tham khảo giá các dòng xe dothanh và daewoo ở tại DoThanhMienTrung

LaravelMySQLRedisBlade template
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Trinh Thien Funiture
Completed

Trinh Thien Funiture

Trinh Thien is a leading supplier of American imported hardwood and high-end wooden furniture in Vietnam, with over 15 years of experience. Premium quality, nationwide delivery, and reliable warranty.

LaravelMySQLNodeJsSocketIOVueJs
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BmB Steel
Completed

BmB Steel

BMB Steel is a leading company specializing in design, fabrication, and construction of pre-engineered steel buildings and steel structures, with over 20 years of experience delivering large-scale industrial and commercial projects across Vietnam and Southeast Asia.

LaravelMySQLVueJsjQuery
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Luat Tue Minh
Completed

Luat Tue Minh

Công ty Luật Tuệ Minh là đơn vị cung cấp dịch vụ pháp lý chuyên nghiệp tại Việt Nam, với đội ngũ luật sư giàu kinh nghiệm và tận tâm. Tuệ Minh chuyên tư vấn và giải quyết các vấn đề pháp lý trong các lĩnh vực như doanh nghiệp, đầu tư, đất đai, hôn nhân – gia đình, và tranh chấp dân sự. Với phương châm “Tận tâm – Chính trực – Hiệu quả”, Tuệ Minh cam kết mang đến giải pháp tối ưu, bảo vệ quyền lợi hợp pháp và đồng hành cùng khách hàng trong mọi bước đi pháp lý.

LaravelNextJsReactJsMySQLRedis
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Engineering Strengths

Core technical competencies built over 6+ years of real-world production experience.

High-performance backend architecture

Database optimization & query tuning

Event-driven & queue-based systems

Scalable API design

Debugging production issues

System monitoring & performance profiling

Let's Work Together

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.