Hello, I'm Henry Lee, a forward-thinking full-stack software engineer with 8 years of experience developing web and mobile applications and back-end systems. I'm a Blockchain & Full Stack Developer with 5 years of experience building secure, scalable, and high-performance decentralized applications using the MERN stack.…

Henry Lee

Hello, I'm Henry Lee, a forward-thinking full-stack software engineer with 8 years of experience developing web and mobile applications and back-end systems. I'm a Blockchain & Full Stack Developer with 5 years of experience building secure, scalable, and high-performance decentralized applications using the MERN stack.…

Available to hire

Hello, I’m Henry Lee, a forward-thinking full-stack software engineer with 8 years of experience developing web and mobile applications and back-end systems. I’m a Blockchain & Full Stack Developer with 5 years of experience building secure, scalable, and high-performance decentralized applications using the MERN stack.

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Skills

Experience Level

CSS
Expert
HTML5
Expert
JavaScript
Expert
TypeScript
Expert
GitHub
Expert
Node.js
Expert
MongoDB
Expert
Express
Expert
PostgreSQL
Expert
API
Expert
Tailwind
Expert
React Native
Expert
Laravel
Expert
SQL
Expert
Solidity
Expert
Python
Expert
Vue.js
Expert
MySQL
Expert
Jira
Expert
Ethereum
Expert
Docker
Expert
Django
Expert
Kubernetes
Intermediate
WordPress
Intermediate
OpenStack
Intermediate
AngularJS
Intermediate
AWS
Intermediate
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Language

English
Fluent

Work Experience

Senior Full Stack & Blockchain Developer at OpenText
January 1, 2021 - Present
Developed and deployed smart contracts on Ethereum and Binance Smart Chain, focusing on ERC standards. Moved automation solution into a commercial software. Designed and developed reusable software components used across four projects, reducing development effort by 40%. Re-engineered critical modules to rely on a decentralized library, achieving a 59% performance improvement.
Software Engineer
July 1, 2017 - Present
Fueled additional revenue streams through responsive customer support, generating $15k in new license sales within the first three weeks of a new release.
Senior Full Stack & Blockchain Developer at OpenText
July 20, 2017 - December 31, 2021
Developed and deployed smart contracts on Ethereum and Binance Smart Chain; built backend systems interfacing with MongoDB and PostgreSQL; API development: RESTful APIs to interface with smart contracts and blockchain networks; migrated automation to a commercial software product; redesigned components reducing development effort by 40%; re-engineered critical modules within a sprint to improve performance.
Freelance Full Stack & Blockchain Developer at Freelance
January 20, 2025 - Present
Built full-stack decentralized applications; developed contracts with user interfaces using React, Web3.js, and Node.js; created backend systems interfacing with MongoDB and PostgreSQL; API development to interface with smart contracts and blockchain networks.

Education

Software Licensing and Distribution at Kenfil Hong Kong
January 1, 2009 - September 9, 2025
Bachelor of Mathematics at University of Waterloo
January 1, 2009 - January 1, 2013
Software Licensing and Distribution at Kenfil, Hong Kong
January 1, 2009 - December 1, 2025
Mathematics at University of Waterloo
January 1, 2013 - December 1, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Professional Services, Media & Entertainment
    uniE621 AI-Driven Business Planning and Financial Modeling Tool
    Bizplania is an integrated web platform that helps entrepreneurs build and refine their business plans through step-by-step guidance, financial modeling, and pitch-ready documentation. It provides customizable templates, real-time collaboration tools, and built-in analytics to help users craft viable business models and assess growth trajectories. The platform is designed to simplify the business planning process while strengthening the strategic, financial, and presentation components of startup planning.…
    paper healthcare SaaS platform

    This Healthcare SASS Planform is a planform that monitors people’s health indicators in real time and provides artificial intelligence responses tailored to the corresponding symptoms.