Akira Hasegawa 長谷川爽

Backend developer

  New Taipei City, Taiwan

A Japanese backend developer based in New Taipei City.
Experienced in B2B product development using PHP, Ruby, JavaScript programming languages, with cloud infrastructure like AWS.
Understands Japanese, English and Mandarin.

      [email protected]


1月 2021 - Present

Backend developer


# 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

4月 2019 - 7月 2020

Backend developer

Aucfan Co.,Ltd.

*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.

10月 2017 - 8月 2018

Video editor of e-learning service for programming

Paiza, Inc

# 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

10月 2016 - 2月 2017

Backend developer

SimpleWay Corporation

# 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.


2015 - 2019

Tokyo Denki University

School of Information Environment / Computer Science



  • PHP
    • Laravel
    • FuelPHP
  • Ruby
    • Ruby on Rails
    • Flask
  • Node.js
    • Express
    • Puppeteer


  • JavaScript
    • jQuery


  • Relational Database
    • MySQL
    • PostgreSQL
  • NoSQL
    • DynamoDB


  • Amazon Web Services
  • Serverless Framework
  • Linux
    • nginx
    • apache2
  • Docker
  • Travis CI


  • IntelliJ Idea
  • Visual Studio Code
  • Slack Apps
  • Git
    • GitHub
    • GitLab
    • AWS CodeCommit
  • SubVersion


  • Japanese - Native
  • English
  • Chinese
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