Detailed Work Experience

Deep dive into my achievements at each company

AI Blockchain Ventures

AI Full Stack & Blockchain Developer

Hong Kong
Jul 2024 - Present
  • Leading development of AI-powered full-stack applications with React, Next.js, Node.js, and Python, serving 200K+ monthly active users.
  • Integrating advanced AI models (GPT, Claude, custom ML models) into production applications, enhancing user experiences with intelligent features.
  • Developing and deploying smart contracts on multiple blockchain networks (Ethereum, Solana, Polygon), enabling cross-chain interoperability.
  • Architecting scalable microservices with AI inference engines, reducing response time by 50% and improving system reliability.
  • Building decentralized applications (DApps) with Web3 integration, combining AI capabilities with blockchain technology for innovative solutions.
  • Implementing AI-driven personalization and recommendation systems, increasing user engagement by 65% and conversion rates by 40%.
  • Leading cross-functional teams of 5+ developers, establishing development workflows and best practices for AI and blockchain projects.
  • Developing secure and optimized smart contracts with gas efficiency improvements of 30%, reducing transaction costs for users.
  • Creating comprehensive AI training pipelines and model deployment infrastructure, enabling real-time AI inference at scale.

BlockChain Innovations

Blockchain Developer

Hong Kong
Jan 2023 - Jun 2024
  • Developed and deployed smart contracts on Ethereum and Solana blockchains using Solidity and Rust, enabling decentralized applications (DApps).
  • Built Web3 integration layers using Web3.js and Ethers.js, connecting frontend applications to blockchain networks.
  • Created AI-powered blockchain analytics platform using Python, TensorFlow, and smart contract event processing, providing insights to 10K+ users.
  • Architected decentralized finance (DeFi) applications with automated market makers (AMM) and liquidity pools.
  • Implemented NFT marketplace with minting, trading, and auction features, processing over 100K transactions.
  • Led blockchain development team, establishing best practices for smart contract security and gas optimization.
  • Integrated AI models for fraud detection and risk assessment in blockchain transactions, reducing fraudulent activities by 45%.

CloudTech Solutions

Senior Full Stack Developer

Hong Kong
Apr 2021 - Dec 2022
  • Designed and developed microservices architecture using Node.js, Express, and Docker, improving system scalability and deployment efficiency by 40%.
  • Built responsive frontend applications with React, Next.js, and TypeScript, implementing advanced state management and performance optimizations.
  • Integrated AI-powered features using OpenAI API and custom machine learning models, enhancing user experience with intelligent recommendations.
  • Led a team of 3 developers, implementing agile methodologies and CI/CD pipelines, reducing deployment time by 50%.
  • Developed RESTful and GraphQL APIs, ensuring high performance and security standards for enterprise clients.
  • Implemented automated testing strategies, increasing code coverage to 85% and reducing production bugs by 30%.

Digital Innovations Ltd

Full Stack Developer

Hong Kong
Sep 2019 - Mar 2021
  • Architected and developed scalable full-stack applications using Next.js, TypeScript, and Node.js, serving 50K+ monthly active users.
  • Led migration from legacy jQuery applications to modern React-based architecture, improving performance by 60% and reducing maintenance costs.
  • Implemented real-time features using WebSockets and Socket.io, enabling live chat and notification systems for enhanced user experience.
  • Mentored junior developers and conducted code reviews, establishing coding standards and best practices across the team.
  • Integrated payment gateways and third-party APIs, ensuring secure transactions and seamless user experiences.

TechStart Solutions

Junior Full Stack Developer

Hong Kong
Jun 2018 - Aug 2019
  • Developed responsive web applications using React and Node.js, improving user engagement by 35% through enhanced UI/UX design.
  • Collaborated with senior developers to build RESTful APIs and integrate third-party services, reducing API response time by 25%.
  • Implemented frontend components using React hooks and modern JavaScript (ES6+), following best practices and code review processes.
  • Participated in agile development cycles, contributing to sprint planning and daily standups while delivering features on time.

Technical Skills

Technologies I've mastered in AI, Blockchain, and Full-Stack Development

Versatile Skillset Showcase

Web 3.0

  • Solidity
  • Web3.js
  • Hardhat
  • Ethers.js
  • Metamask
  • OpenZeppelin
  • Three.js

Languages

  • JavaScript
  • TypeScript
  • HTML
  • CSS
  • C# / C-Sharp
  • ASP.Net
  • DotNet Core
  • PHP
  • WPF / XAML
  • Visual Basic 6.0

Databases

  • MySQL
  • MS Access
  • SQL Server
  • Oracle
  • MongoDB
  • PostgreSQL
  • DynamoDB
  • Firebase
  • XML
  • JSON

Backend

  • NodeJS
  • ExpressJS
  • GraphQL
  • NestJS
  • AppSync
  • Entity Framework
  • ASP.Net Web API
  • SOAP API
  • AD Auth
  • Nebular Auth
  • WCF

Frontend

  • Bootstrap
  • Ant Design
  • Tailwind CSS
  • NextJS
  • React
  • Angular
  • AWS-Amplify
  • Gatsby
  • React Redux
  • Redux Reducer
  • Redux Saga
  • Babel
  • Craco
  • Webpack
  • Material UI
  • ASP Razor Pages
  • Nebular Theme
  • jQuery

DevOps & Tools

  • Confluence
  • Docker
  • Kubernetes
  • Salesforce
  • AJAX
  • MapObjects
  • AWS
  • GCP
  • Jenkins
  • Git
  • GitLab
  • Bitbucket
  • JIRA
  • Trello
  • SonarQube
  • Figma
  • ArcGIS
  • Microservices