LUCAS LEE-
https://x.com/LuCas-
SUMMARY
Highly experienced and skilled Blockchain Engineer with over 7 years of software development and 4 years
of dedicated blockchain experience. Possessing a robust background in crypto ecosystems, adept in smart
contract and Web3 technologies. Proficient in Solidity programming language and well-versed in blockchain
protocols and consensus mechanisms. Demonstrating expertise in developing top-notch and secure smart
contracts utilizing advanced techniques such as Merkle Tree Data Storage. Committed to delivering scalable
and ironclad blockchain solutions. Adept team player with a proven track record of consistently delivering
projects on time and within budget.
SKILLS SUMMARY
Crafted smart contracts and decentralized applications (DAPPs) across various EVM Blockchain
platforms including Ethereum, Binance Smart Chain, Polygon, and Blast.
Proficient in Web3 technologies and frameworks such as Web3.js, Ethers.js, and interfacing with
decentralized networks and protocols.
Integrated Frontend and Backend with the blockchain ecosystem using modern wallet connect
frameworks such as RainbowKit, Wagmi, Viem, and useOnboard.
Experienced in project development within several crypto ecosystems such as DeFi, P2E, NFT, and
DAO.
Well-versed in EVM protocols and standards such as ERC-20, ERC-721, ERC-1155, and ERC-4626.
Leveraged IPFS for decentralized data storage and utilization within decentralized ecosystems.
Extensive background in smart contract testing, gas-price estimation using Hardhat and Foundry.
Developed and maintained web-based applications and websites for blockchain and decentralized
technologies using frameworks like React.js and Next.js.
Developed and deployed EVM smart contracts using frameworks such as Truffle, Hardhat, and
Remix.
Proficient in Javascript frameworks such as Node.js, Express.js, React.js, and Next.js.
Implemented unit testing for web-based applications and websites using storybook.
Managed the state of web applications and websites using state management tools such as Redux
and Jotai.
Designed and developed project architecture using Draw.io and UML.
Experienced in Agile development processes, architecture design, software implementation, ensuring
efficient and collaborative development for blockchain solutions using Jira and Github.
EDUCATION
Bachelor’s Degree in Computer Science
2013 - 2017
Singapore Institution of Technology • Singapore, Singapore
PROJECTS
Stakeverses
Factory, Lead Blockchain Developer
Stakeverses is the staking platform which allow users stake the product token(minted from FactoryGame Platform) and
get reward with other tokens(ERC20, ERC1155, ProductToken).
Designed and implemented the staking platform, including the staking formula and reward system.
Developed smart contracts to facilitate staking, claiming, and withdrawing of Product Tokens and
Reward Tokens using Solidity Programming Language and Hardhat framework.
Tested Audited the developed the smart contract using Hardhat test script and Aderyn Audit tool.
Managed the developer team to ensure the project adhered to the scheduled timeline using Jira and
Github.
Documented the developed projects using Jira and Draw.io.
Project Link : https://stakeverses.com
FactoryGame
Factory, Lead Blockchain Developer
Factory is a game asset creation platform based on NFT technology, dedicated to providing users with a unique NFT
synthesis and management experience.
Designed the architectural framework for a novel GameFi project called "Factory".
Implemented the smart contract components, including Factory, Blueprint, Product, and Custody,
using the Solidity programming language and the Hardhat development framework.
Thoroughly tested and audited the developed smart contracts using the Hardhat testing suite and the
Aderyn security auditing tool.
Effectively managed the project development team through the use of Jira for task tracking and
Github for source control and collaboration.
Project Link : https://factorygame.org
Kerluke
Kerluke Team, Architecture Designer & Smart Contract Developer
Kerluke is the world’s first decentralised Raffle-To-Earn platform for NFTs that helps sellers to liquidate easily and gives
everyone a fair chance to win their favourite NFTs.
Designed the data structure and workflow architecture for the "Kerluke Crypto Raffle Game" project,
leveraging Merkle Tree and Verifiable Random Function (VRF) techniques.
Developed the core smart contract components, including the GameFactory and Raffle contracts,
based on the designed data structure and workflow specifications.
Collaborated closely with the Frontend and Web3 development teams to seamlessly integrate the onchain functionalities into the web-based project.
Project Link : https://kerluke.org
Mentalmatics
Mentalmatics, ICO Engineer & FullStack Developer
Mentalmatics is site for Mentalmatics™ , a mental arithmetic school which provides specialised training on 2-hand 4finger abacus and mental arithmetic and is applying the Blockchain technique to their business.
Developed the presale smart contract in alignment with the ICO (Initial Coin Offering) Strategy.
Designed and implemented the Staking and Vesting Smart contracts based on the ICO Strategy and
Presale requirements.
Developed a Next.js iFrame to seamlessly integrate the on-chain program with the web project.
Created a Wix site to provide users with a user-friendly interface for the presale and staking of
Mentalmatics tokens.
Project Link: https://mentalmatics.com
WrappedPlatform
PayrLink, EVM Smart Contract Developer
PayrLink was an innovative startup focused on advancing cryptocurrency solutions. The company spearheaded two
primary projects: PayrLink and WrappedPlatform.
PayrLink served as the flagship project, functioning as a cryptocurrency escrow platform that facilitated secure crypto
payments. WrappedPlatform, the second initiative, operated as an NFT marketplace, enabling the sale of NFTs,
auctions, and royalty management.
Development of the Initial Coin Offering (ICO) contract, encompassing both the token contract and
presale contract for PayrLink.
Creation of NFT marketing contracts, including the collection contract and marketing contract, as well
as the implementation of auction and royalty features for the NFT marketplace.
Collaboration with the Web3 and frontend development teams to ensure timely project completion.
Project Link: https://wrappedplatform.com/
PROFESSIONAL EXPERIENCE
Factory (Onsite, Contract)
(Singapore, Singapore)
Lead Blockchain Developer
Jul 2023 - Jul 2024
Interfaced with client stakeholders to comprehensively gather and define requirements for the work
product, ensuring alignment with project objectives and client expectations.
Conducted in-depth research on the latest technological advancements utilizing the ERC404
protocol.
Developed the comprehensive data structure for the project, encompassing Blueprint, Product,
ERC20, ERC721, and ERC1155 tokens to optimize the entire project workflow.
Crafted the entire smart contract workflow and established the foundational codebase for its
implementation.
Engineered the factory contract to facilitate the deployment of child smart contracts and oversee the
project's data structure and workflow.
Created the Blueprint smart contract to enable the creation, minting, and burning of assets based on
the ERC1155 token protocol.
Established the Custody smart contract to securely store the component tokens utilized in project
development.
Developed the Product smart contract to provide users with a direct interface for utilizing our product.
Orchestrated the creation of the project's frontend, meticulously aligning it with component tokens
and pages utilizing React.js to ensure a seamless user interface.
Executed comprehensive unit testing across all pages using Storybook, resulting in a notable 15%
reduction in development time by proactively addressing and rectifying bugs.
Implemented the robust jotai state management tool to streamline and optimize the project's state
management, yielding a significant 10% acceleration in the overall development process.
Architected intricate data structures tailored for Web3 development to fortify the project's foundation.
Engineered the Web3 infrastructure to seamlessly integrate the on-chain program with the frontend,
leveraging cutting-edge technologies such as ethers.js, web3.js, and wagmi.
Deployed WalletConnect using the Rainbowkit to furnish a secure and user-friendly wallet
connection, inclusive of WalletConnect v2, ensuring a seamless and protected user experience.
Meticulously crafted comprehensive smart contract documentation to uphold the project's integrity
and facilitate ongoing enhancements, utilizing Microsoft Office and Jira for meticulous tracking and
management.
Conducted rigorous testing of the developed smart contracts using Hardhat and executed on-chain
tests on the Sepolia testnet, adeptly resolving issues to guarantee the security and efficiency of the
smart contracts.
Collaborated closely with a team of 2 frontend and Web3 developers to collectively build the entire
project, fostering a cohesive and synergistic development environment.
Performed meticulous function and UI testing on the frontend to validate accuracy, security, and
efficiency, ensuring a robust and reliable user experience.
Utilized Jira for task management and tracking project progress in the Smart contract, Web3, and
Frontend development environment.
Offered consistent support to the Operations team, actively participating in deployment and
troubleshooting of production issues to maintain operational efficiency.
Employed Slack as a platform for reporting results, addressing daily work challenges, and ensuring
alignment with the project's ongoing objectives.
Environment: Solidity, Smart Contract, ERC20, ERC721, ERC1155, ERC404, TypeScript, React.js,
Node.js, HTML5, CSS, VS Code, TailwindCSS, Unit Test, GraphQL, Git, MongoDB, Scrum, Agile,
Jira, Jotai, Storybook
Kerluke Team (Remote, Part-Time)
Architecture Designer, Smart Contract Developer
(Frankfurt, Germany)
Nov 2022 – Jul 2023
Conducted exhaustive research on existing crypto raffle games of company on Solana and
performed a detailed analysis of the project's specific requirements and objectives
Scrutinized and compared at least 3 blockchain platforms to identify the most suitable option based
on stringent criteria such as transaction speed, cost, and community support.
Defined the tokenomics model and established a robust economic system for the raffle game,
including at least 3 token utility (Governance token, NFT, ERC20) features and a staking mechanism.
Integrate decentralized oracles like Chainlink VRF to securely bring external data into the blockchain,
ensuring the integrity of random number generation for fair raffle outcomes.
Collaborated with 1 UX/UI designer and 2 frontend developers to create an intuitive user interface,
ensuring a seamless experience for users interacting with the crypto raffle game.
Devised mechanisms for community engagement, such as governance tokens and voting systems, to
foster an active and empowered user community.
Planed the deployment process for the blockchain architecture and smart contracts, and establish a
maintenance plan for ongoing updates and improvements.
Managed projects using Git, Jira, and Confluence, while spearheading the comprehensive project
design utilizing Draw.io so that ensuring seamless project management and streamlined
collaboration, resulting in successful project outcomes.
Engineered a secure Airdrop smart contract with robust security measures, leveraging the power of
Merkle tree technology to ensure the utmost protection and integrity.
Developed a smart contract for managing tickets, which includes the functionality for selling free
tickets and enabling bundled purchases for participating in the raffle game.
Crafted a robust smart contract for token management and community profit, incorporating advanced
tokenomics to propel sustainable growth and value creation within the community.
Drafted the factory contract for creating a new raffle game contract and have defined the individual
raffle game contracts to facilitate the creation of new raffle games
Collaborated with clients and stakeholders to gather requirements for Web3 and game platform
projects.
Developed robust test scripts using Hardhat to fortify the security and efficiency of your contract,
while dramatically accelerating the pace of development.
Executed the deployment of the smart contract on the testnet, followed by rigorous live testing
utilizing the developed MVP UI and Web3 integration.
Environment: Solidity, Hardhat, Typescript, Polygon, Blockchain, Web3, Cronjob, Merkle Tree,
Draw.io, UML, Github, Jira, Kanban, Backlog
Mentalmatics (Onsite, Full-time)
ICO Engineer, Full Stack Developer
(Singapore, Singapore)
Feb 2022 - Nov 2022
Conducted a thorough analysis of the necessary information for the ICO, covering the project's
purpose, features, and strategies.
Designed the architecture and data structures of the smart contract, and outlined the four essential
steps for the ICO platform: Seed Sale, Strategic Sale, Private Sale, and Public Sale.
Specified the required features of the Presale contract, including the vesting function, such as TGE
(Token Generation Event) and monthly released amounts.
Developed the token staking function, including the determination of the Annual Percentage Rate
(APR) and other pertinent features.
Created Presale smart contracts, which included the implementation of the Vesting function to
safeguard against token sale prior to marketing efforts.
Conducted rigorous unit testing of the smart contract using the Hardhat framework and Typescript
test script to ensure its robustness and reliability.
Deployed the smart contract on the Sepolia and BSC testnets and meticulously tested it using the
ethers.js and web3.js test scripts to guarantee optimal security and efficiency.
Utilized the MyEtherWallet platform and Remix for the deployment of the smart contracts, adhering to
industry best practices and ensuring a seamless process.
Regularly updated the smart contracts through daily meetings with the execution team and clients,
consistently implementing the best coding style and resolving any issues promptly to maintain high
quality and client satisfaction.
Led the design and development of the frontend user interface for the ICO project, leveraging React
iframe and Wix technologies.
Through strategic implementation, significantly boosted the site's SEO performance and enhanced its
loading speed by an impressive 15% compared to the original setup.
Crafted three critical pages dedicated to Token sale, Vesting, Claiming, and Staking functionalities,
ensuring a seamless user experience.
Utilizing TailwindCSS, designed a user-friendly and visually appealing interface that sets a new
standard for accessibility and clarity across all project pages.
Leveraged the React iframe to seamlessly integrate the Wix site with Web3, resulting in a remarkable
20% acceleration in development speed to enhance not only the security and efficiency of
implementing the Web3 component but also facilitated a streamlined development process.
Additionally, implemented an advanced wallet connect functionality using RainbowKit and Wagmi to
enable support for various wallets, including the Wallet Connect v2.
Developed a mobile version of the project using React Native to allow users to access the ICO
platform via mobile easily.
To ensure the robustness and reliability of the Web3 component, I rigorously tested it in both test and
mainnet environments for approximately a month, collaborating closely with the execution team.
Demonstrated active engagement with GitHub, leveraging its robust functionalities for comprehensive
code management, including regular updates, meticulous code reviews, rigorous testing procedures,
and seamless deployment processes.
By leveraging Vercel's powerful platform, conducted thorough testing of multiple project versions,
ensuring the seamless integration of new features and updates while maintaining the stability and
performance of the application.
Environment: Solidity, Smart Contract, ERC20, ICO, Staking, Remix, MyEtherWallet, TypeScript,
Next.js, Wix, VS Code, TailwindCSS, React Native, Unit Test, GraphQL, Git, Scrum, React iframe.
RainbowKit, Wagmi, Viem, Sepolia, BSC Testnet
PayrLink (Onsite, Contract)
EVM Smart Contract Developer
(Singapore, Singapore)
Jul 2020 - Feb 2022
Researched the requirements for a smart contract to be used in a cryptocurrency escrow project.
Developed a detailed roadmap for the ICO project and designed contracts for each step.
Crafted the smart contract design for the escrow project, encompassing various functions and
modules using UML diagrams.
Using Remix, created a token contract for the escrow platform based on the ERC20 protocol, named
PayrLink with the symbol $PAYR, and conducted testing and deployment with an audit by a trusted
organization.
Implemented each stage of the ICO using Solidity and the Truffle framework to enhance project
quality and accelerate development.
Spearheaded the creation of an escrow contract specifically tailored for handling ETH and ERC20
tokens, ensuring a secure and reliable escrow mechanism for token-based transactions.
Pioneered the development of a robust token staking contract designed to facilitate the staking of the
$PAYR token, thereby empowering users to actively participate in the staking process with
confidence.
Collaborated with the team to design the smart contract for the WrappedPlatform marketplace.
Developed and implemented the auction and royalty contracts for the NFT marketplace, adhering to
the established design specifications.
Worked closely with the frontend and Web3 teams to ensure seamless integration of the developed
contracts with the frontend interface.
Spearheaded the development of a comprehensive factory contract designed to oversee and
manage the entire spectrum of contracts and projects within the ecosystem.
Engaged in a collaborative effort with the Frontend and Web3 teams to optimize the efficiency of
project development, leveraging collective expertise to drive impactful results and ensure seamless
integration of cutting-edge technologies.
Employed Github as a pivotal platform for project management, fostering a collaborative environment
that facilitated cohesive teamwork while upholding uncompromising standards of quality and security
throughout the project's lifecycle.
Collaborated closely with the QA testing team to systematically identify vulnerabilities and bugs within
the project, and subsequently implemented effective solutions to rectify these issues, ensuring the
project's robustness and reliability.
Environment: Solidity, Smart Contract, ERC20, ERC721, Royalty, Auction, ICO, Staking, Farming,
Remix, VS Code, Unit Test, Goerli, Truffle
Upwork.com (Remote)
Upworker
(Singapore, Singapore)
Dec 2019- Jul 2020
Spearheaded the development of three distinct landing pages for a prominent tourism website, each
meticulously designed to captivate and engage visitors, thereby enhancing the overall user
experience and driving meaningful interactions.
Led the implementation of a sophisticated web scraping project tailored for a prominent shopping
site, enabling the seamless extraction of valuable data to inform strategic business decisions and
optimize market insights.
Engineered a cutting-edge DEX Sniping bot designed to tactically follow the strategies of other bots,
leveraging advanced algorithms to capitalize on market opportunities and drive competitive
advantage within the decentralized exchange landscape.
Orchestrated the development of the Crypto Vault project, encompassing frontend development and
smart contract implementation, thereby establishing a secure and reliable platform for managing and
safeguarding digital assets within the cryptocurrency ecosystem.
Pioneered the creation of DreamJob, a dynamic and user-centric job site designed to connect
aspiring professionals with their dream career opportunities, fostering a seamless and intuitive job
search experience.
Using React Native, developed the Solar Mobile Wallet to allow users on Solar Enterprise to interact
with the Solar network.
Architected the development of smart contracts and frontend infrastructure, integrating Web3
technology to power a cutting-edge NFT Marketplace, thereby enabling secure and transparent
transactions within the burgeoning NFT ecosystem.
Environment: React.js, Next.js, Solidity, React Native, Smart Contract, ERC20, ERC4626, NFT
Marketplace, ICO, Staking, Farming, Remix, VS Code, Unit Test, Goerli, Truffle, Crypto Trading,
Node.js, Express.js
Wizardsdev (Onsite, Full-time)
Web Developer
(Singapore, Singapore)
Oct 2017- Dec 2019
Implemented websites, mobile applications, and landing pages from concept through deployment.
Standardized all output with a new, responsive, mobile-first approach and strategy.
Spearheaded the standardization of all outputs through the implementation of a cutting-edge,
responsive, mobile-first approach and strategy, ensuring seamless accessibility across diverse
devices and platforms.
Conducted comprehensive assessments of UX and UI designs to ascertain technical feasibility,
thereby optimizing the overall user experience and interface functionality.
Led the development of sub-applications utilizing Next.js for both backend and frontend, integrating
advanced technologies such as TypeScript, RxJS, HTML5, CSS, and Bootstrap to deliver robust and
sophisticated solutions.
Executed rigorous testing protocols on applications, encompassing exhaustive unit testing across
various use cases, and meticulously documented results for stakeholder review and approval.
Provided invaluable support to the Operations team, offering expertise in deployment and
troubleshooting of production issues on a recurring basis, thereby ensuring operational continuity and
efficiency.
Engineered React JavaScript frameworks tailored to optimize Restful APIs, elevating the functionality
and performance of web applications to meet and exceed user expectations.
Translated UI/UX design wireframes into captivating visual elements of web applications, delivering
high-quality, reusable markup using HTML5 and CSS3, thereby enhancing the overall aesthetic and
functionality.
Elevated problem-solving capabilities by tackling complex challenges, fostering a culture of
continuous improvement and innovation within the development process.
Ensured streamlined web development processes by collaborating with designers and app
developers, effectively resolving website performance issues and optimizing user experience.
Crafted dynamic and cross-browser compatible web pages using HTML5, CSS3, jQuery, and
Javascript, ensuring seamless functionality and visual appeal across various platforms.
Designed captivating and engaging web pages and components for company clientele, incorporating
flexible animations and interactive elements to enhance user engagement and satisfaction.
Adapted to the Agile Development Model, fostering seamless collaboration with team members and
enabling swift adaptation to evolving project requirements and priorities.
Maintained the front-end in alignment with customer specifications, ensuring that the end product
consistently meets and exceeds client expectations.
Collaborated closely with product team members to seamlessly implement new feature
developments, leveraging collective expertise to drive continuous innovation and enhancement of the
product offering.
HONOR REWARD
Champion of Dapp and Dash Campaign
Forward - Rootstock on AlphaGuility
Nov 2023 - Dec 2023
