aoi / @4o1sobblue

$cat about.me

birthyear: 2002
birthplace: Osaka, Japan
hobbies: baseball, video games, comedy
dream: adopt a cat
motto: Better to lead a small group than follow a large one.

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Career

2025.04 -
Flagxs Inc.
I design, implement, and test project management software using Java, Spring Boot, TypeScript, React, and MySQL.
2021.04 - 2025.03
Osaka University, School of Letters — Japanese Linguistics
My thesis examined politeness in professional baseball broadcasts, focusing on how commentators discuss unsuccessful plays. I also worked part time teaching programming to elementary and junior high school students.
2018.04 - 2021.03
Osaka Prefectural Ibaraki High School — Humanities and Sciences

Tech Stack

Frontend

TypeScriptReact

Backend

JavaSpring BootMySQL

Infra / Tools

AWSGitGitHubClaude

Certifications

2025.12

Fundamental Information Technology Engineer Examination

IPA

2026.04

AWS Certified Cloud Practitioner

AWS

2026.08

AWS Certified AI Practitioner

AWS