About Raymond
English
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Chinese
Native or bilingual
Experience
- FreelancerSolana, Sui, CosmWasm, Stellar SorobanDIGITAL AND ITJune 2025 - Today (1 year and 2 months)Bucharest, Romania- Built proposal, prediction game, and NFT smart contracts on Sui blockchain with NextJs frontend- Built a Cosmos(CosmWasm) Rust banking contract on Secret Network, with NextJs frontend- Completed a Stellar Soroban Rust prediction market contract- Developed a Solana Rust Future Option program in Anchor with Pyth oracle token prices and flashloan- Developed a Solana Rust P2P Dex & Flashloan programs in Pinocchio(high performance library), with Codama & SolanaKit for frontend, and with LiteSVM for easy account setting: token deposit/withdrawal, resizing accounts, Pyth oracle token prices, multipool dynamic array input flashloan, etc..
- Boosty LabsRust Solana, Move Sui & Aptos, NextJs, Ethereum DeveloperDIGITAL AND ITMarch 2024 - May 2025 (1 year and 2 months)Bucharest, Romania- Developed on Tailwind NextJs Dapp with Polkadot.js to interact with Substrate tokens; Worked with XVMfor Wasm Rust contracts to call Solidity smart contracts, and worked with Web3.js for Solidity smartcontracts to call Wasm Rust contracts; Built on SolidJs for advanced and robust frontend- Developed a Solana Rust prediction game smart contract in Anchor and an Ethereum payment smartcontract via Foundry, and TypeScript functions for frontend integration- Generated code for minting/sending SPL tokens, and sending SOL in Bash & TypeScript via SolanaWeb3.js, Kit(Web3.js v2.0), Gill for the frontend / backend code base- Implemented Bankrun/LiteSVM testing of Solana smart contracts in time travel and arbitrary account data- Made an accounting wallet app in TypeScript to fetch historical native asset/token balances, and historicaltransaction logs from Bitcoin, Ethereum, Solana, Tron blockchains- Built fungible token and Crowdfunding contracts in MOVE language on Sui and Aptos blockchains- Developed Rust Axum backend with PostgreSQL in Docker, Jwt & Tonic gRPC Authentication APIs
- FreelancerRust, Substrate, Solidity, NextJsDIGITAL AND ITDecember 2022 - March 2024 (1 year and 3 months)Hsinchu, Taiwan- Built a Radix Scrypto(Rust) Stable Coin Vault blueprint(smart contract) for admin badge holders to mint/withdraw/deposit/burn/transfer tokens. Tested its functionalities with test scripts- Hired by Aqifi.com for building and deploying NFT Rust canisters(smart contracts) with UI canister(website) on Internet Computer blockchain- Built a Rust backend API server using AXUM framework, Postgres & SeaORM, JWT, middleware, and Ethers.rs to interact with Ethereum smart contracts- Built a Substrate node in Rust with multiple pallets for Staking, Reward Token, Ink smart contracts, interest rate calculation, crowdfunding, etc...- Built a SolidJS Twitter clone. Built a SvelteKit fullstack Dapp with TailwindCSS, Skeleton UI, to interact with Radix Scrypto and Ethereum blockchains, with Pocketbase database- Built Aave Flashloan and Liquidity client smart contracts, Uniswap client smart contracts in Solidity with Foundry testing environment to simulate Ethereum Mainnet operation- Updated my Solana Rust code with the latest Anchor tool: sending SOL/tokens to/from PDA- Built a fullstack Web3 NFT Sales Dapp with NFT carousel, NextJs(React), Shadcn UI, TailwindCss, TypeScript, Ethers.js, RainbowKit, Wagmi & Viem multiwallet connector, Tanstack Query(React Query) forserver state management, Zustand for client state management, and MongoDB/Mongoose database models, deployed on Vercel
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Education
- Master of ScienceSanta Clara University2006Master of Science