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Work Experience
Freelance Developer
Turing Inc.•  May 2022 - February 2023
• Developed gas-optimized NFT smart contracts using ERC721A on Ethereum network • Compiled, deployed, debugged and tested smart contracts using Hardhat • Developed dApp of Digital Web3 Fashion Marketplace (React.js, Next.js, Redux, GraphQL, Uniswap SDK, pinata SDK)
Senior Software Engineer
Hello Alice•  May 2017 - May 2022
• Improved front-end design concepts, simplified ideas, and helped students reach their full creative potential. • Provided guidance to follow best practices in front-end web development, specifically in React.js and AngularJS. • Developed backend using Java Spring Boot. • Built an iOS and Android mobile app using React Native. • Migrated a legacy AngularJS administration panel to a more modern React.js, Redux, and TypeScript stack. • Developed ASP.NET web application to analyze • Developed a web app to manage active building maintenance from scratch. • Supported unit and E2E tests. Provided support on building REST APIs using Node.js. • Managed tickets with Jira and source code with Github. • Led three developers on the team, managing both front-end and back-end development.
Mobile App Developer
RapidSoS•  July 2015 - March 2017
• Launched android application using Java and Android SDK • Implemented initial backend service apis by Ruby on Rails • Updated a new version of android app using Kotlin
Senior Software Engineer
Innowise Group•  September 2010 - April 2015
• Serviced iOS & android applications as an early app developer • Developed web sites for playing board games such as Pocker using ASP.NET • Implemented VST instruments for Cubase and SONAR applications. • Developed web sites for making beautiful face photo using PHP. • Made desktop application to improve processing internal tasks using Java. • Made the application to make Sheet Music from MIDI • Developed the device driver for Currency Counting Machine (SBM SB-9) • Developed small desktop utility applications using C#
Education
University of Tokyo, Tokyo
Computer Science & Engineering, BS•  August 2006 - August 2010
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