# Tech stack - Backend: Ruby, Ruby on Rails, Node.js - Frontend: HTML, CSS, JavaScript (jQuery) - Database: MySQL, DynamoDB - Cloud: AWS - Third-party APIs: Google Business Profile API # Job Participation in customer's projects as an outsourcing developer. - Full-scratch development of Search Engine Optimization tool which observes the daily rank in Google search / Google Map search results - Development and enhancement of Google My Business management SaaS product ​​- Introduced Docker for ​a better development experience - Technical support of sales or customer success team

*B2B E-commerce website development project* April 2019 - March 2020 # Tech stack - Backend: PHP (Laravel), Java (Struts2) - Frontend: HTML, CSS, JavaScript (jQuery) - Database: PostgreSQL - OS: Windows / CentOS 6 # Job Junior-level developer of a B2B E-commerce website. Implemented functionalities to increase sales, or improve the usability of it. *Auction bid-price search-engine project* March 2020 - July 2020 # Tech stack - Backend: PHP (FuelPHP), Perl - Frontend: HTML, CSS, JavaScript (jQuery) - Database: MySQL - OS: Windows / Amazon Linux2 / CentOS # Job Maintenance and development of search engine application for online auction bid-price or E-Commerce websites. Introduced automated test for pull-requests on GitHub using Travis CI.

# Tech stack - Backend: PHP, Ruby, Python, Java - Database: MySQL - Movie editor: FinalCutPro X # Job Video editor for an e-learning service which is called "paiza learning". URL: https://paiza.jp/works/ - Write scripts to introduce programming language to beginners - Record the scenes of writing or executing code and edit them - Write test codes to check whether the program which is submitted by users works fine

# Tech stack - Backend: PHP (FuelPHP) - Frontend: HTML, CSS, JavaScript (jQuery) - Database: MySQL # Job Developer of websites which was ordered by customers. Mainly developed job-matching website or company's homepage using PHP programming language.