Personal and community-focused projects, as commercial projects cannot be disclosed due to confidentiality agreements
Korean Learning Platform
Nhai TOPIK
An online platform for TOPIK I, TOPIK II and EPS-TOPIK preparation — vocabulary, grammar and pronunciation lessons with flashcards powered by spaced repetition.
Ruby on Rails
Next.js
MySQL
Redis
Sidekiq
Docker
AWS
Cloudflare
Japanese Learning Platform
Nhai Kanji
A kanji learning tool that breaks each character down into radicals with visual diagrams and handwriting practice, covering JLPT N5 to N1, with Active Learning and Shadowing modes.
Ruby on Rails
Next.js
MySQL
Redis
Sidekiq
Docker
AWS
Cloudflare
IT Vocabulary Platform
IT Kotoba
Specialized Japanese vocabulary for IT engineers — technical terms, shadowing practice and real project communication patterns for developers working with Japanese teams.