Tony

Han

• Developed gas-optimized NFT smart contracts using ERC721A on Ethereum network • Developed smart contracts of the game logic using Chainlink VRF and Keepers, and deployed on Polygon for faster and cheaper implementation • Stored all media files and metadata on IPFS using Pinata • Developed dApp and admin site of Niftyroyale using React.js | Redux | ethers.js and deployed on AWS using S3 | CloudFront | Lambda | Route 53 | EC2) • Compiled, deployed, debugged and tested smart contracts using Hardhat • Developed smart contracts for ERC-20 based token ($MONA),ERC-721 based token (Genesis MONA NFT), Genesis Auction and Martkeplace using subgraph • Developed smart contracts of NFT staking for $MONA rewards, and deployed on Polygon because of ensuring faster and cheaper transactions for users • Developed $MONA Token Custom Polygon-Ethereum Bridge • Developed dApp of Digital Web3 Fashion Marketplace using React.js | Next.js | Redux | GraphQL | Uniswap SDK| pinata SDK

- Designed and developed various modules on the data platforms transparency Mississippi and the worksite with phpv7. - Implemented load-balancing with Nginx to allow Node JSinstances to handle 8000+ concurrent users - Utilized fundamental knowledge of application development using Java frameworks like SpringBoot, Rest and Frameworks such as JDBC and Spring to deliver operations efficiency. - Managed and maintained development of Node.js backend for dynamic database driven application. - Engineered user interface using React with Node.js, JavaBeans, JSTL and Custom Tag Libraries, JS, CSS, jQuery, Angular.js, and HTML to speed the application process, leading to a 45% increase in overall operations - Led critical and complex projects that involved highly custom PHP implementation for scale, match Healthcare standards, and integrate it with Java EE.

 Wrote a non-blocking code using numerous advanced techniques and strategies such as multi-threading & JavaScript dependency management. - Created 4 custom general use modules and components extending the elements and modules of core React, obtaining outstanding results - Tested 2 Angular JS applications via Jasmine and protractor, acquiring an excellent overall performance rate of 92% for the specific task - Designed, configured, and developed the fully automated CI/CD life cycle for the high-volume external web application in 5 projects, successfully resulting in a 5x reduction of average deployment time for the entire project