(Sep 2024 - Present)
Technical Co-founder
TAOI
constcoder={name:'Steven Leal',skills:['React', 'NextJS', 'Redux', 'Nodejs', 'EthersJS', 'Solidity', 'Truffle', 'Hardhat', 'Rust'],hardWorker:true,quickLearner:true,problemSolver:true,hireable:function() {return(this.hardWorker&&this.problemSolver&&this.skills.length>=5);};};ABOUT ME
Who am I?
A critical and forward thinking blockchain engineer with over 6 years of experience in DeFi, NFT marketplace development and supply chain management through full-stack development, web3 integration and smart contract development. Not just a developer, but a critical and forward-thinking engineer for the future of Real Word powered by blockchain. Always trying to follow best practices in development, improve user experience, optimize performance and efficiency, and respect user feedback.
Experiences
(Nov 2023 - Present)
Fullstack and Blockchain developer
Freelancing
(Feb 2023 - Ocb 2023)
Senior Blockchain Developer
DESO
(May 2021 - Dec 2022)
Lead Smart Contract Developer
RubyExchange
(Jun 2019 - Ocb 2020)
Frontend Web3 Developer
Freebit
(Dec 2018 - Apr 2019)
MERN stack Developer
Payrlink
Skills
PROJECTS
![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fironwill.db2c1642.png&w=3840&q=75)
constproject={name:'IRONWILL',tools: ['Nextjs', 'Typescript', 'TailwindCSS', 'Ethersjs', 'Wagmi', 'Rainbow Kit', 'Solidity', 'Hardhat],myRole:Technical Co-founder,Description: ERC20 FICCO token presale on Ethereum blockchain.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fnyw-nft.ef752335.png&w=3840&q=75)
constproject={name:'NYW NFT Marketplace',tools: ['NextJS', 'Tailwind CSS', 'TypeScript', 'Nodejs', 'ExpressJS', 'SubGraph', 'GraphQL', 'Ethers.js', 'Wagmi', 'Solidity', 'Hardhat],myRole:Senior Blockchain Developer,Description: NFT marketplace on Ethereum blockchain.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fruby-exchange.3a80fd96.png&w=3840&q=75)
constproject={name:'RubyExchange',tools: ['Nextjs', 'TypeScript', 'TailwindCSS', 'Web3.js', 'Solidity', 'Hardhat', 'Openzeppelin', 'IPFS],myRole:Lead Smart Contract Developer,Description: DEX platform for crypto trading on Ethereum blockchain.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2FVVSL.887ec93b.png&w=3840&q=75)
constproject={name:'Bollygaming casino games',tools: ['NextJS', 'Material UI', 'Redux', 'Typescript', 'Pixijs', 'Laravel', 'MongoDB', 'Socket.io],myRole:Full Stack Developer,Description: A B2B casino gaming platform emphasizing free-to-play mechanics for new users.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2FEVM-Token-Analysis-Bot.0baa981e.gif&w=3840&q=75)
constproject={name:'EVM Token Analysis Bot',tools: ['Python', 'Web3.py', 'Python-telegram-bot', 'MongoDB', 'Moralis', 'Zenrows', 'Dune query],myRole:Full Stack Developer,Description: EVM Token Analysis Bot is a tool that allows users to analyze token details on the Ethereum, BSC, Base blockchain.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2FEVM-Wallet-Tracking-Bot.158b7e43.gif&w=3840&q=75)
constproject={name:'EVM Wallet Tracking Bot',tools: ['Python', 'Web3.py', 'Python-telegram-bot', 'MongoDB', 'Moralis],myRole:Full Stack Developer,Description: EVM Wallet Tracking Bot is a tool that allows users to track wallet details on the Ethereum, BSC, Base blockchain.};![[object Object]](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2FSolana-Wallet-Tracking-Bot.02a2e473.gif&w=3840&q=75)
constproject={name:'Solana Wallet Tracking Bot',tools: ['Node.js', 'Solana/Web3.js', 'Node-telegram-bot-api', 'Metaplex', 'MongoDB],myRole:Full Stack Developer,Description: Solana Wallet Tracking Bot is a tool that allows users to track wallet details on the Solana blockchain.};Educations
2014 - 2018
Bachelor's Degree in Computer science
Hebei University of Technology
2022 Dec
The Complete Web developer to bootcamp
Udemy
Certifications
Software Engineer Certificate
HackerRank
Jan 26, 2025
It covers topics like Problem solving, SQL, and REST API.
View CertificateFrontend Developer(React) Certificate
HackerRank
25 Jan, 2025
It covers topics like React, CSS, and JavaScript.
View CertificateJavascript(Intermediate) Certificate
HackerRank
25 Jan, 2025
It covers topics like Design Patterns, Memory management, concurrency model, and event loops, among others.
View CertificateNode.js(Intermediate) Certificate
HackerRank
25 Jan, 2025
Understand the concepts behind an Event-Driven Architecture and Concurrency.
View CertificateBlogs
5 months ago
148
29
Comprehensive guide to write ERC20 token presale smart contract on Ethereum blockchain using Solidity
6 Min Read
This article will give you a comprehensive guide to build a presale contract that...
5 months ago
143
29
Thorough Testing for ERC20 Token Presale Smart Contract using Hardhat and Chai
9 Min Read
This article shows how to thoroughly test a SPX ERC20 token presale smart...
5 months ago
146
27
How to test smart contract on Sepolia testnet?
5 Min Read
Testing smart contracts on a testnet before mainnet deployment is crucial for...