Kyohei Ito

Professional Solidity, Full-stack engineer with a Bachelor's degree in Computer Science and 10+ years of experience, a proven history of software engineering in several companies and firms from different industries including financial services, information technology, decentralized finance and NFT marketplaces, etc.

As a fast learner and problem solver, seeking to leverage software development skills as a senior solidity, Full-stack engineer.

Kyohei Ito

Blockchain, Full-stack Engineer

Professional Full-stack Engineer with a Bachelor's degree in Computer Science and 10 years of experience, a proven history of software engineering in several companies and firms from different industries including financial services, information technology, decentralized finance and NFT marketplaces, etc.

As a fast learner and problem solver, seeking to leverage software development skills as a Full-stack developer.

Skills

• Front End
• React/NextJS/Vue.js/Flutter/Typescript/Angular/ Web3.js/Svelte
• Deep experience and knowledge on Redux/React Hooks/Context.
• HTML/CSS/SCSS/TAILWND/UI for pixel-perfect work
• Back End & DB & Service
• Node.js/REST API/Java/Ruby/ Laravel
• GraphQL/Apollo/Subgraph
• MySQL/Firebase/PostgreSQL/MongoDB/IPFS
• Agile software development

-Kafka, Airflow, Microservices, Express Js

• Smart Contract
• ERC-721, ERC-20, BEP-721, BEP-20
• Tokenomics management, ICO, IDO
• DeFi (Pancakeswap, Uniswap, Staking, Liuiqidy Pools)
• NFT marketplace (Opensea integration, Auction, Lottery, Lazy Mint)

- Other

Python/Go/Rust/Vercel/AWS/AmplifyApp,/Firebase/Firestore/Heroku/Storage/Docker/GitLab/Nginx/Notion/AI/Dart/GitHub/Wordpress/Gutenberg/Bootstrap/Apache SOLR/GCP/cPanel/Jest/Truffle/Hardhat

Language

English Fluent

Education

University of Tokyo

Bachelor’s degree in Computer Science

April 2010 ~ August 2014

Employment History

Title: Senior Blockchain Engineer

Employer: Self Employed Location: Helsinki, Finland

Feb, 2022 ~ present

• Built P2E NFT Game on BSC network - CryptoLegions.
• Built P2E NFT Game on Harmony network - WenLambo.
• Built Defi with Staking feature on Polygon Network - HyperMatic.
• Built CasperPad Site with token sale, vesting and staking feature. (My client has earned 700,000 USD within 5 hours.)
• Built game portal site with React. - Ghospers.
• l Implement token airdrop with Suni token in the smart contract with Solidity on BSC network for SassyUnicorns.
•  Mint and Built Lunachow token & Lunachow NFT Marketplace.
•  Built the FTE with React for New Eco-System will be called Zeroloss.
• l Developed the system to show the status and log of transactions as real-time following users by using Chart and Material Theme.
• Environment: Blockchain, DApps, Ethereum, BSC, Solana, Solidity, Rust, Metaplex, CandyMachine, Hyperledger, Truffle, Ganache, HardHat, Remix, Web3.js, Wallet, React, Vue, Node.js, Laravel, Express, ES5, ES6, MySQL, MongoDB, Postman, Tailwind CSS

Title: Senior Blockchain Engineer

Employer: Rubidex Location: United states

July, 2021 ~ Feb, 2022

• Built secure, data-storage blockchain network using Cosmos SDK
• Synchronized Encrypted Data Lake
• Used a patent pending process allowing for decentralized data storage, access and protection.
• Ensured data integrity on data transfer using the most trending and trusted encryption technologies.
• Defined a Unified File Structure for data storage on nodes
• Developed a unique indexing technology to improve data search in the blockchain

- Key Achievements: Developed a DISTRIBUTED ENCRYPTED DATA SOLUTIONS that eliminates the database

Title: Smart Contract & Backend Engineer

Employer: POP! Finance, Faculty Group Location: United States

May, 2020 ~ June, 2021

• Single-sided Mutual Liquidity Pool smart contract
• Upgradeable Proxy to deploy dynamic MLPs.
• Mintable ERC20 token POP! and reward system to Liquidity Pools and Staking Pools (Candy Farms)
• Subgraph for query historical events, transaction, blocks.
• Web3 integration using ether.js React Module
• Use Vanilla ReactJs to implement smart frontend, AmplifyApp(AWS) for CI/CD.
• Multi-chain integration on Ethereum, Polygon and EWV (Energy Web Chain).

- Key Achievements: Providing single-sided liquidity for MLP, creating a trustless Mutual Liquidity Pool

Title: Blockchain Engineer

Employer: EWC, Faculty Group Location: United States

May, 2019 ~ May, 2020

• Faucet system for EWT (Energy Web Token)
• Blockscout explorer for Volta and EW block explorer.
• Graphql, subgraph endpoint for deploying subgraphs.
• EVM compatble chain with low gas fee and high TPS
• Bridge with other chains - Polygon, Ethereum

Title: Senior Blockchain Developer

Employer: Cashcow Location: Amsterdam, Netherlands

Jun, 2018 ~ May, 2019

• BEP-20 based CashCow, Milk
• Token Pre-sale with ICO, Airdrop system
• Farms and Staking pools with Native Tokens and BUSD
• NFT mint, trading system for collectibles and Genesis NFTs.
• NFT staking with Milk Rewards
• Pinata integration for contents of NFTs

- Key achievements: Consult customers professional tokenomics and lead frontend team

Title: Senior Software Engineer

Employer: Shogun Location: United States

Jan, 2017 ~ May, 2018

• Worked well in a team to implement new features and optimize company products
• Ensured a well-architected platform with React, Typescript, Redux and Redux-saga.
• Arranged the UI structure converting class components to functional components using React Hooks and some Redux stores to React context, resulting in the size of the codebase to 90%
• Developed a Redux middleware to optimize duplicated and redundant code pieces in the communication module and eventually reduced the size of the communication module by 60%
• Reviewed up to 10 pull requests per week and guided in coding style.

Title: Software Engineer

Employer: HuaHui, Tech Location: Taiwan

Sep, 2015 ~ Jan, 2017

• ClamAV based anti-virus software (c/c++)
• Malware detection system on mail server
• Real-time scan engine on PC platform
• Auto-update system
• Quarantined file upload system
• Schedule Management system
• Behavior Monitoring System for unknown viruses (similar to Windows Defender Anti-Virus)

Title: JS Core Developer

Employer: Google

Apr, 2015 ~ Sep, 2015

Title: PHP Developer

Employer: UACJ Nagoya Sight Location: Japan, Nagoya

Mar, 2014 ~ Nov, 2014

• Built the system to manage employees by using Laravel.
• Served the project with the apache server.
• Environment: PHP, Laravel, Html, CSS, JavaScript, Apache, Xampp

University of Tokyo

Bachelor’s degree in Computer Science