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. JuneDecember 2019 Technical Team Leader Azumo Designing a system for beverages supply chain traceability using Solidity smart contracts. Deploying to Ethereum and other EVM-compatible blockchains. Using Hardhat and OpenZeppelin. JanuaryJune 2019 Solidity developer The Hydro Project Built a protocol for issuing regulated Securities on the Ethereum blockchain JuneDecember 2018 Solidity developer SouthX Miscellaneous DeFi projects including a DEX. SeptemberMarch 2018 Technical Writer PACKT PUBLISHING LIMITED Wrote and published a book on Solidity coding – Defi https://www.amazon.com/Introduction- Blockchain-Ethereum-transactions-decentralized/dp/MarchJune 2017 Bitcoin

Davis Dai Senior Backend Software Engineer Taipei，TW [email protected] Skills 2+ years blockchain data processing Typescript, Node.js, Ethers.js, Ethereum/Optimism blockchains 8+ years RESTful, GraphQL API development Typescript, Python, Django, golang 8+ years infrastructure DevOps AWS, GCP, Serverless, Kubernetes, Terraform Work Experience Perpetual Protocol , Senior Software Engineer, May 2021 ~ Aug 2023 Backend service development Blockchain data processing Rewarding system Trading bots RESTful API, GraphQL API Typescript, Node.js, Mocha, Ethers.js Infrastructure DevOps AWS, Kubernetes, EKS, Lambda, DynamoDB, AppSync, S3, Route53, CloudFront Serverless Framework, Github CI

in music and multimedia systems. Researching and integrating multimedia and sound systems. Coaching programming skills. Tools: Propresenter, Sound Mixer, Ableton Graduate Research Assistant National Taiwan University of Science and Technology OctoberSeptember 2022Taipei, Taiwan Researched cryptographic data hiding implementation for Decentralized Electronic Health Record (EHR) Systems. Tools: Ethereum, Solidity, BigchainDB (MongoDB-based decentralized-DB), express.js, web3.js, Angular, pandas, cryptographic libraries. Undergraduate Research Assistant Universitas Indonesia AugustJuly 2020 Depok, Indonesia Researched Ethereum Blockchain implementation on Electronic Health Record (EHR) systems. Tools: Ethereum, Solidity, web3.js, PostgreSQL, expressJS, Angular. Big Data

and overall user experience. Senior Full Stack Developer MINDSET AG JanuaryFebruary 2021 Kuala Lumpur, Malaysia • Developed node.js server to validate membership and track digital badges being used. • Rebuilt 4-year-old SaaS application in React 15 and Redux with full user experience redesign to release a beta MVP in 8 months. • Rewrote HTML to meet industry and company standards for SEO and Accessibility. • Introduced Kanban Board style ticketing system to promote highly efficient asynchronous and synchronous work, increasing efficiency by 8%. • Deployed a Smart contract application in Ethereum Blockchain alon...

— 魏川博 擅長於學習研究新興技術/專案翻修重構/性能優化處理/DevOps與Infra監控架設相關問題 工作經驗最多在.Net後端與iOS/Android相關的開發應用 Taichung City, Taiwan 工作經歷 十二月Present 資深軟體工程師 泰瑋電子股份有限公司 .Net Framework 遊戲專案研發

/ Solana smart contracts development. Demonstrated success developing and seamlessly executing smart contracts in complex DeFi and DEX structures. Recognized for maximizing performance by implementing appropriate project management through analysis of details to ensure quality control and an understanding of emerging technology. Expertise includes developing and auditing blockchain smart contracts with various Blockchain networks including Ethereum, Binance Smart Chain, Polygon, And Solana . Ethereum blockchain and Solidity programming. Solana and Rust programming. Work Experience Senior Smart Contract Developer • Freelancer.com (Full-time) FebruaryPresent - Development of vault smart contracts and unit tests, deployment scripts using

process and common coding standard. Setting up Jira tickets, and managing the sprint process & delivery epics to meet the deadline. Leading the Launchpad, NFT marketplace, swap, streamflow, staking products on Solana and BSC. Defined Play-to-Earn game SDK interface that can make a regular game into blockchain game in 2 weeks. CTO & Product Head in a Defi Startup • Aries Financials AugustOct 2021 Build 5 new product lines and launched 3 of them within one year using a 4-people team. Recruited and trained the entire engineering team including 3 front end, 1 UI/