Tomohiro Yanagi

I'm Full Stack Developer with over 8 years of experience in JavaScript/TypeScript, PHP, Python, Node.js, NestJS, React, Next.js, Svelte, Vue, Nuxt.js, MySQL, PostgresSQL.

I understand the importance of delivering reliable, user-friendly solutions. I've successfully led teams, ensuring smooth workflows through automated testing and CI/CD pipelines, fostering a collaborative environment that reduces stress and improves productivity.

Inc. OpenHert

Full Stack Developer: 08/2024 - Present

Company bio: Providing AI product to generate 3D images by images or videos

• Developed REST API with NestJS server and designed database tables for multi tenant application.
• Improved development efficiency by introducing AI code review automation.
• Led web developer team though managing and assigning tasks.
• Increased productivity by 20% by introducing AI agent Devin.

Galirage Inc.

Prompt Engineer: 08/2024 - 2024/12

• Consulting and developing AI products
• Developed the feature to review a job interview video with LLM for practicing for students within one month.
• Researched AI coding services and solutions to use in private network.

YAMAP Inc.

Senior Front End Developer

06/2021 - 03/2024: Providing mobile and web app for hiking mountains.

• Led, a Frontend team of 5 frontend developers.
• Reduced monthly costs by $5000 through an analysis of the company'sapplication expenses.
• Elevated test coverage from 2% to 65% for a web frontend product by enhancing test automation and teaching writing test codes for members.
• Improved a main page loading 10x times through detecting what caused the slow and communicating with backend developer.
• Improved development efficient by building continuous integration and organizing code review processes.
• Improved developing efficiently and optimized users experience by developing a React component library for company's design system.

Nagoya Institute of Technology

M.S. in Computer Science

04/2014 - 03/2016