Full-Stack DeveloperHanoi, VietnamOpen to roles & freelance

Lê Văn Dũng

Building commerce software that holds up at scale.

I design and ship Shopify apps end-to-end — from real-time event pipelines and catalog sync services to merchant-facing interfaces that meet Built for Shopify standards.

See my workDownload résumé
Lê Văn Dũng
years building for the web
3+
merchants served on Shopify & Wix
10K+
platform APIs integrated
7
01 — About

Engineer with an eye for detail.

I started as a front-end developer turning designs into fast, consistent interfaces, and grew into a full-stack role where I own products from idea to release.

Today I build Shopify apps that merchants rely on every day: tracking pixels that recover conversions lost to iOS privacy changes, sync pipelines that push catalogs to Meta, TikTok, Pinterest, X and Snapchat, and the dashboards they work in.

I am an AI-first engineer. I use Claude Code and Codex daily and build agent workflows with MCP, skills and subagents — always with a human review step, so speed never costs quality.

How I work

  1. 01

    Reliability first

    Event and sync systems must not lose data. I design for retries, idempotency and observability from day one.

  2. 02

    Details are the product

    Spacing, states and edge cases are where users decide whether to trust an app.

  3. 03

    AI-accelerated, human-reviewed

    Agents draft, test and review; I stay accountable for every line that ships.

  4. 04

    Own the outcome

    From spec to release to support tickets — I care about what happens after the merge.

02 — Experience

Where I have worked.

  1. Jul 2024 — Present

    Xipat Flexible Solutions

    Full-Stack Developer · Hanoi

    • Built a high-load tracking pixel system that captures and processes large volumes of e-commerce events in real time.
    • Developed a product sync service pushing catalogs from Shopify and Wix to Meta, TikTok, Pinterest, X and Snapchat.
    • Shipped Shopify apps end-to-end with React, Polaris, Liquid, NestJS and Go; independently owned several products from idea to release.
    • Drove AI adoption across the team with Claude Code, Codex, custom skills, subagents and MCP for faster development and code review.
  2. Aug 2022 — Jul 2024

    Ocean Tech

    Front-End Developer · Hanoi

    • Developed dynamic web applications with reusable UI components, optimized for performance and cross-browser consistency.
    • Led the front-end team on a project, managing tasks and ensuring timely, high-quality delivery.
    • Worked with design and engineering in Agile Scrum to turn UX/UI designs into user-friendly websites.
03 — Selected projects

Apps in production.

Jul 2024 — Present4.9★ · Built for Shopify

TikShop: Feed & Omega Pixel

Accurate TikTok Ads tracking that combines multiple TikTok Pixels with the server-side Events API to recover conversions lost to iOS 14.5, plus hourly catalog sync for dynamic product ads.

  • Designed a high-load tracking system combining client-side pixels and the server-side Events API.
  • Built the Shopify → TikTok Catalog / TikTok Shop sync pipeline with hourly and custom sync.
  • Shipped the Campaign Builder, automatic pixel installation and the free plan.
  • Refined the merchant UI in React & Polaris to meet Built for Shopify standards.
  • React
  • Polaris
  • NestJS
  • Go
  • TikTok Events API
View on Shopify App Store
Jan 2025 — Dec 20254.9★ · Built for Shopify

Omega InstaFeed – Instagram Feed

Turns Instagram posts, reels and UGC into shoppable storefront widgets, with hourly auto-sync, product tagging and engagement analytics.

  • Integrated Instagram / Meta APIs to import posts, reels and UGC with hourly auto-sync.
  • Built responsive widgets — Grid, Carousel, Highlight, Collage — with shoppable product tags.
  • Developed engagement analytics (CTR, add-to-cart, conversion rate) and AI color presets.
  • Meta Graph API
  • React
  • Liquid
  • Analytics
View on Shopify App Store
Explore the full Omega app suite
04 — Skills

Tools I reach for.

Languages & Frameworks

  • TypeScript
  • React
  • NestJS
  • Go
  • Liquid
  • Polaris

Data & Infrastructure

  • MySQL
  • MongoDB
  • Redis
  • Docker

Platforms & APIs

  • Shopify
  • Wix
  • Meta
  • TikTok
  • Pinterest
  • X
  • Snapchat

AI Engineering

  • Claude Code
  • Codex
  • MCP
  • Subagents
  • Skills
  • RAG
  • Prompt Engineering

Certifications

Education

Engineer in Information Technology

Hanoi University of Civil Engineering · 2019 — 2024

Languages

Vietnamese (native) · English (professional working proficiency)

05 — Résumé

The one-page version.

Preview my résumé below or download the PDF.

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The one-page version.Open in new tab
06 — Contact

Have a product to build? Let’s talk.

Two ways to work together — pick whichever fits.

  • 01

    Full-time roles

    Full-stack and product engineering positions where I can own features end-to-end.

  • 02

    Freelance & collaborations

    Shopify apps, platform integrations (Meta, TikTok, Pinterest…), web apps and AI agent workflows for teams and independent makers.

[email protected]