Henry Ziad

Web3/Full-Stack Engineer

DEFIENT•  May 2023 - Present

Launched 6551.studio, Cre8ors.com, Everything Corp, Cre8ors Reserve, OnchainMagic Integrated 120+ on-chain functionalities including ERC721 & ERC1155 transfer by owned wallet, ERC721 & ERC1155 transfer out from ERC6551 bound account, ERC721 & ERC1155 mint, Cre8or NFT staking & un-staking flow and etc... Developed an IFrame project for 8888 CRE8OR(NFT) animated URIs and also Built a Cre8ors-Reserve website with Crossmint integration. Used 10+ Alchemy 2.0 API and Used RPC Multicall, resulting 50% increase in transaction speed. Also developed OnchainMagic(PWA application) to support 2000+ musicians of community over 70,000+ music NFTs mint on Zora. Developed and Refactored 40+ user-friendly web pages while focusing mobile-first dev over the course of 3 months to meet the tight mint day at the middle of Sep 2023. Using Python to develop 3 Twitter bots to tweet applicants' quiz results at Everything Corp(For the Merkle Proof) Built Github workflow CI/CD including Frontend & Backend, Smart Contract auto-testing. Technologies: Next.js(React & Redux, SEO), Express.js(TypeScript), Python, Tailwind CSS PWA Solidity(Fundry, Thirdweb) Web3(Wagmi, Rainbowkit, Ethers.js)

Full Stack Engineer

Here.news•  September 2022 - June 2023

Built Node server & Google Cloud functions to integrate AI API into web pages and Took part in database architecture design Created user avatar from photo using OpenAI + LangChain + PineCone Patterns and trends were interpreted to improve the algorithms and data processing of 15 chatbots. Vector DB management such as MongoDB and Pinecone Deployed a web scraping Google Cloud function using Python and Node.js to scrape content from different 300+ social media platforms. Integrated Elastic Search Engine for the large data search on BE side, resulting 60% increase in article search speed. Composed heuristic evaluation document while cooperating design team and made reusable 30+ React core UI components such as TextEditor, Modal, Popover and etc... without any CSS libraries. Implemented SEO technology on FE resulting 30% increase in user online search experience. Participated in Github team work code-review and lead 5+ tech team members. Containerize web applications using Docker/Kubernetes and developed CI/CD roadmap on Github. Technologies: Next.js(Redux & React-Query, SEO), Express.js(Node.js & TypeScript), Python cheerio & selenium Docker/Kubernetes OpenAI+LangChain+PineCone, ChatGPT4.0, Elastic Search Engine MongoDB, GCP

Frontend Engineer

Tepe•  April 2021 - July 2022

Implemented scalable front-end architecture using the MVC model, decoupling 50+ reusable components and super tiny components. Redesigned and refactored 40+ pages, including content pages, landing pages, product detail pages, listing pages, cart pages, mini-cart functionalities, checkout pages, third-party payment systems, sms verification system, promotion banners, and global navigation. Set up, introduced, and implemented Scrum/Kanban workflow with a Jira board and Confluence documentation. Improved page load performance and best practices with Babel. Implemented automated build and linting using Gulp, later refactored to Webpack 4. Introduced ITCSS architecture. Upgraded our server hardware to cloud Azure VM in order to use up-to-date front-end technologies and build/deploy tools like Jenkins. Upgraded SVN technology with Git and Bitbucket. Technologies: Component-based Architecture, Object-oriented Programming (OOP), Subversion (SVN) Git, Sass, Azure CSS3, HTML5, React, TypeScript, MUI Webpack, Gulp Jira, Front-end Build Tools Lint, REST, Prettier

Jr.Full-Stack Engineer

Vinovest•  September 2018 - October 2020

Joined the small startup team behind an online debate platform to facilitate development efforts toward initial public release. Designed and developed a new Whiskey Investment Platform, resulting in a 30% increase in sales and a 20% increase in customer retention. Implemented security and data protection solutions, resulting in a 50% reduction in security incidents and a 15% increase in customer trust. Collaborated with cross-functional teams to define and implement a technology roadmap, resulting in a 25% increase in team efficiency and project success rate. Technologies: React.js/styled-component, Python/FLASK/Swagger, PostgreSQL Jest(FE), unittest(BE) D3.js Stripe, Paypal, Trello WebRTC, WebSocket Babel, Webpack AWS