sa2shi.dev

Software Engineer

Building simple and reliable web services.

Profile

About Me

Hi, I am a backend engineer specializing in web application development. I have experience developing and operating payment features using Java × Spring Boot and AWS. Recently, I have been working on personal projects and building web services. I strive to write clear and functional code and continuously improve my skills. Additionally, I share what I learn through personal projects and technical blogs.

Timeline

2026.04

Currently learning AI development

2025.04

Started learning frontend development

Created this portfolio site as a project to apply what I've learned.

2024.04

Developing and operating payment features

Working on Java × Spring Boot applications running on AWS.

2023.04

Joined current company as a new graduate engineer

Mainly working as a web developer.

2023.03

Master of Engineering (M.Eng.)

Researched speech synthesis with deep learning.

Skills

Core Used at work Side projects Exploring
TypeScript Nuxt Astro Tailwind CSS Cloudflare Google Cloud AWS Docker Java Spring Boot Kotlin Ktor Kafka MySQL DynamoDB Supabase Claude Code Codex GitHub GitHub Actions

Frontend

Backend

Database

Infra

AI

Tools

Personal Blog

I run a small, personal blog.

Latest Articles

An overview of my recent thoughts and developments within the technology field.