Yushi N.

Native Japanese engineer and AI automation specialist based in Kofu, Japan. I help overseas teams automate repetitive work with AI, keep their systems running, and get Japanese-language quality right. What I can do for you: • AI automation: workflow automation with n8n and LLM APIs (Claude API), AI agents, and small internal tools that remove manual work • Systems engineering & operations: 3 years operating and maintaining banking systems at TIS, one of Japan's largest IT companies, plus incident response for client systems • Japanese QA & localization review: native-level checking of Japanese text, UI, and content — currently engaged as a Japanese QA specialist here on Upwork (K+ earned) • Japan market entry support: practical, on-the-ground help from someone who has founded companies in Estonia and Rwanda and now runs a company in Japan • Publishing operations: 245+ Kindle books published since 2015, including a Spanish-language textbook series Tools: n8n, Claude API, Cloudflare, Vercel, GitHub, Supabase, Google Cloud Platform Languages: Japanese (native), English (business), Spanish (conversational) A little about me: I have founded businesses on three continents, run 250 km across the Sahara Desert, and visited all 47 prefectures of Japan. My working style is the same as my life philosophy — "just try it": start small, verify, and iterate fast. If you need a dependable Japan-based partner for AI automation, systems work, or Japanese quality, feel free to message me.