Atsuo Koizumi

is looking for freelance projects. 🔎

Freiberuflich, Software Developer, Green Planet Eco

Odense M, Denmark

About me

Atsuo is an experienced IT professional with over 4 years of practice, specializing in front-end web development. He has extensive knowledge of JavaScript/Typescript and browser APIs, as well as significant experience with popular frameworks and libraries like React and Redux. Atsuo's deep full-stack experience includes Node.js and Express, MongoDB, and blockchain technologies like Web3 integration and smart contracts.

Skills

React
Redux
Next.js
Vue.js
Nuxt.js
Angular
Javascript
Typescript
HTML/CSS
Tailwind CSS
MUI
Vuex
Vuetify
Bootstrap
AntD
Node.js
Express.js
Frontend Development
CI/CD
Gatsby
Kubernetes
Docker
Frontend
User Interface
GUI

Timeline

Professional experience for Atsuo Koizumi

  • Current 1 year and 1 month, since Apr 2023

    Software Developer

    Green Planet Eco

    • Built a decentralized Green Planet ecosystem. • Developed the frontend of the ecosystem using React.js and Tailwind CSS. • Created the smart contract for the ECO token by Solidity, considering the ERC20 protocol of OpenZeppelin and Uniswap Router v2 for it to be traded in the Ethereum network. • Solved the security problems of the smart contract to pass the audit process of the Certik team.

  • 1 year and 1 month, Mar 2022 - Mar 2023

    Frontend | Web3 Developer

    NEYX

    • Built a decentralized NEYX ecosystem. • Created the website of the ecosystem using React.js, MUI (Material UI), Node.js, and Express. • Developed the smart contract for NEYX NFT using Solidity and the ERC721 protocol of OpenZeppelin. • Added a security process for whitelisted users using the Merkle-tree package. • Integrated the website and the smart contract using Web3 packages to complete the development of the NEYX ecosystem.

  • 3 years, Apr 2019 - Mar 2022

    Front-end Developer

    FUWARI

    • Contributed to building a NFT marketplace. • Converted 14 UX/UI designs into live frontend pages using Next.js and Tailwind CSS. • Implemented a custom Cypress-based framework for end-to-end testing, with custom scripts, commands and integrations developed in Node.js, and upgraded it to Cypress 10. • Built the frontend of the NFT marketplace dashboard using React.js and MUI (Material UI).

Educational background for Atsuo Koizumi

  • 4 years, Apr 2015 - Mar 2019

    Computer Science

    Nagoya University

Languages

  • English

    Fluent

Interests

Blockchain
Web Technologies
NFT
Landscape Photography

Browse over 21 million XING members