Hashimoto Kenichi

Senior software developer with 10+ years of development experience, who places a high priority on customer satisfaction.

Developed a lot of web sites, backend APIs, and desktop and mobile applications.

Experienced in these: Java, Javascript, HTML5, CSS3, React.js, Redux, Node.js, .Net Framework, ASP.NET, PHP, MySQL, MariaDB, MongoDB, PostgreSQL, MSSQL, Android, Flutter, iOS, C#, Azure and AWS features.

Familiar with specific techniques, such as Image Processing, Sound Recognition, and Machine Learning(TensorFlow).

Also experienced in teaching and mentoring junior developers.

Simplifica (2012/9-2016/6)

Tokyo, Japan

- Serviced iOS & android applications (Java, Objective-C)

• Implemented VST instruments for Cubase and SONAR (C++, MIDI, VSTi)
• Made the application to make Sheet Music from MIDI
• Developed the device driver for Curency Counting Machine, SBM SB-9
• Implemented web design and development principles to build stable web apps (HTML, CSS, Javascript)

Sotatek (2016/6-2018/7)

Tokyo, Japan

- Taught new interns the basis in Android and Web development (HTML5, CSS3, Java, Android studio)

• Launched ASP.NET website for Card games. (ASP.NET, .Net Framework, C#)
• Developed a Dating app for iOS & android. (Java, Android studio)
• Built mobile apps and website for Braci. (Sound Recognition, android, iOS, php, MySQL, AWS)

Ekoios Technology (2018/7-2022/3)

Tokyo, Japan

- Improved front-end design concepts, simplified ideas, and mentored members reach their full creative potential.

• Produced .Net application for analysis of stock markets. (C#, .Net framework, Visual Studio)
• Researched face detection in sequential images. (Deep Learning, TensorFlow, Python)
• Built iOS & Android applications (React Native, Flutter)
• Developed online shopping sites. (Node.js, React.js, MongoDB, Redux)
• Provided guidance to follow best practices in frontend web development, specifically in React.js and AngularJS.

Freelance developer (2022/4- )

- 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)

The University of Tokyo | Tokyo

Computer and Information Science | 09/2012

Master of Science in Computer Science The University of Tokyo | Tokyo

Computer and Information Science | 08/2009

Bachelor of Science in Computer Science