Hi, I'm Eijn
Working as an engineer at an education company while also developing apps independently. I'm passionate about solving small everyday problems through simple, useful applications.

What Drives Me
These core values guide my daily development and career direction.
Simple is Best
I pursue simple solutions that anyone can use intuitively, eliminating unnecessary complexity.
Accessible to Everyone, Globally
I build products that are accessible to everyone worldwide, transcending language and cultural barriers.
Nurture Like Your Own Child
I nurture my products like my own children, paying attention to every detail and continuously improving them with care.
Skills & Technologies
Tools and technologies I use to bring ideas to life.
Professional Experience
My journey in software development and entrepreneurship.
Engineer (AI Promotion)
Education Company
Leading AI promotion initiatives, developing AI agent systems centered on LangGraph. Driving AI adoption in education to improve operational efficiency and create new value.
Key Achievements:
- Design and development of AI agent systems using LangGraph
- Leading company-wide AI adoption projects
- Creating AI use cases in the education sector
- Contributing to improved AI literacy across the team
Education
Mathematical Sciences (Cryptography Major)
Yamaguchi University
Bachelor's Degree
Majored in cryptography in the Department of Mathematical Sciences. Gained an international perspective through study abroad in the Philippines and the United States, where I discovered Computer Science.
Highlights:
- Philippines study abroad: TOEIC score improved from 300 to 850
- US study abroad: Studied mathematics for one year
- Discovered the path to programming through Computer Science
- Gained deep understanding of cryptography theory