Winson Cheng | Blockchain Developer

☎️ Contact information

📧 [email protected]

🐦  0xkmg

🕸️ https://0xkmg.notion.site/

**‍💻** https://github.com/0xKMG

👩🏻‍💻 Experience

Solidity Developer

Full-time @Posley Capital, November 2022 - Now

• Developing Vaultka, a defi yield aggregator built on top of perpetual markets on Arbitrum
  • Current TVL: >30m, top 25 project on Arbitrum
• Designing, implementing, testing smart contracts with various tools - Hardhat, Foundry and Slither
• Collaborating with other developers and auditors (Hacken, Zoyko and Hats Finance) to implement operational solutions for enhancement and bug fix

Blockchain & Web Developer

Freelancing, June 2022 - Now

• Developing the front-end and smart contract of an NFT marketplace for US based clients
• Checking smart contracts for security vulnerabilities
• Optimizing smart contract gas efficiency and providing relevant suggestions

Coding Instructor

Preface Coding, Part-time Sept 2021 - November 2022