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Raymond LieuRL

Raymond Lieu

Blockchain Fullstack

EUR 242/Tag
Bucharest, RO
8-15 Jahre

Durchschnittliche Reaktionszeit: 1h

Über Raymond

Blockchain Fullstack developer
• Rust 4 years building on Rust Solana(Anchor & the lasted optimized Pinocchio), backend Axum
• Move for Sui and Aptos
• Solidity for 7 years on Ethereum in Hardhat and Foundry
• React/NextJs Dapp for 5 years, TypeScript for 4 years, plus Svelte, SolidJs
• Go for 1 year with AWS deployment and NodeJs 1 year for backend
  • Englisch

    Muttersprachlich oder zweisprachig

  • Chinesisch

    Muttersprachlich oder zweisprachig

Vor Ort möglich
Bucharest (bis zu 50 km)

Projekt- und Berufserfahrung

  • Freelancer
    Solana, Sui, CosmWasm, Stellar Soroban
    DIGITALAGENTUREN & IT-CONSULTING
    Juni 2025 - Heute (1 Jahr)
    Bucharest, Rumänien
    - 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..
    Rust Next.js Sui Solana Cosmwasm
  • Boosty Labs
    Rust Solana, Move Sui & Aptos, NextJs, Ethereum Developer
    DIGITALAGENTUREN & IT-CONSULTING
    März 2024 - Mai 2025 (1 Jahr und 2 Monate)
    Bucharest, Rumänien
    - Developed on Tailwind NextJs Dapp with Polkadot.js to interact with Substrate tokens; Worked with XVM
    for Wasm Rust contracts to call Solidity smart contracts, and worked with Web3.js for Solidity smart
    contracts 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 smart
    contract via Foundry, and TypeScript functions for frontend integration
    - Generated code for minting/sending SPL tokens, and sending SOL in Bash & TypeScript via Solana
    Web3.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 historical
    transaction 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
    Rust Next.js Solidity Solana Typescript
  • Freelancer
    Rust, Substrate, Solidity, NextJs
    DIGITALAGENTUREN & IT-CONSULTING
    Dezember 2022 - März 2024 (1 Jahr und 3 Monate)
    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) for
    server state management, Zustand for client state management, and MongoDB/Mongoose database models, deployed on Vercel
    Rust Substrate Solidity Next.js tailwind

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Ausbildung und Abschlüsse

  • Master of Science
    Santa Clara University
    2006
    Master of Science

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