About
Developing with modern technology stacks centered on Ruby on Rails, TypeScript, and AWS. Actively engaged not only in technical problem-solving but also in mentoring junior members and recruitment activities.
Work Experience
June 2024 - Present
TOKIUM Inc.
Software Engineer - Leading development team for accounting SaaS product
- • API performance improvement and SQL query tuning
- • Leading new product development
April 2021 - May 2024
Enigmo Inc.
Software Engineer - Development and improvement of features for fashion EC sellers
- • PHP to Rails replacement of order list functionality
- • Asynchronized bulk editing with Sidekiq, improving work efficiency
- • Modification of transactional emails due to Google policy changes
- • Catalog listing feature development
- • Similar image search API development (PoC)
- • Planning and management of internal study sessions
Internships
November 2020 - March 2021
Enigmo Inc.
Engineering Intern - Web application development
September 2020
Rakuten Group, Inc.
Engineering Intern - Web application development
February 2019 - October 2020
PIXTA Inc.
Engineering Intern - Web application development
Skills
Languages
Ruby
TypeScript
PHP
Python
Java
Frameworks
Ruby on Rails
React
Next.js
Apache Struts
Middleware
PostgreSQL
Redis
Solr
Tools
Docker
Terraform
CloudFormation
AWS CLI
CircleCI
Cloud
AWS (EC2, ECS, RDS/Aurora, S3, Lambda, StepFunction...etc)
DevOps
CI/CD
Infrastructure as Code
Monitoring
Logging
Testing
RSpec
Jest
TDD
Methodologies
Agile
Scrum
Version Control
Git
GitHub
GitLab
Project Management
Jira
Communication
Slack
Education
April 2017 - March 2021
Doshisha University
Bachelor of Economics