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ZacharyTStone/ReadMe.md

Zach Stone banner

Hi, I'm Zach 👋

Senior Software Engineer building React / TypeScript / Cloudflare Workers products — remote from Fukushima, Japan 🇯🇵
English (native) · 日本語 (JLPT N1)


🧭 What I do

  • 🔥 Senior Software Engineer at Sellfire — a B2B sales-performance platform. As the team's senior engineer I own frontend architecture, testing, CI, and observability, and ship AI/LLM features end to end.

🛠️ Stack

🚀 Featured projects

Project What it is Stack
ビジネス日本語ドリル · in progress Adaptive practice app for the BJT Business Japanese test — an LLM pipeline writes and gate-checks exam-style questions; Postgres picks each learner's next set Python · Claude API · Supabase · Expo
My Anime Collection · live Free anime tracker — explore titles and build custom playlists TypeScript · React · Node
Infinite Flashcards Turns a plain word list into Anki Japanese flashcards using the OpenAI API Python · OpenAI
personal-pi-home Boilerplate for cron-driven Docker containers on a Raspberry Pi (weather, stock tracking, …) Python · Docker
Haku Job-interview tracker to keep your search organized JavaScript · React

🎌 Off the keyboard

🥊 Kickboxing · 🎬 Slowly collecting every Studio Ghibli film on Blu-ray · 🗾 Favorite place: Fukushima

Pinned Loading

  1. business-japanese-test-practice business-japanese-test-practice Public

    Horenso: adaptive practice app for the BJT Business Japanese Proficiency Test, with an LLM pipeline that writes, checks and publishes exam-style questions. TypeScript · Claude API · Cloudflare Work…

    TypeScript

  2. My-Anime-Collection My-Anime-Collection Public archive

    My Anime Collection is a free anime tracker where users can explore and create custom playlists to keep track of their favorite anime.

    TypeScript 2 1

  3. haku haku Public archive

    Let's use this app to keep track of your interviews and land that dream job

    JavaScript 2 1

  4. Infinite-Flashcards Infinite-Flashcards Public archive

    generates Anki Japanese flashcards using a text document of words and an Open AI api key.

    Python 2

  5. personal-pi-home personal-pi-home Public archive

    The boilerplate to have cron based docker containers running on your Raspberry Pi. (daily weather, stock tracking, etc...)

    Python