projects
From idea to done: what each project solves, how, and what I learned.
A Spanish learning web app built around real conversations, with Latin American and Spain Spanish side by side, spaced-repetition vocabulary and offline sync.
stack: React · TypeScript · Vite · Tailwind · Firebase · Vercel
An offline kanji PWA with two separate spaced-repetition tracks — recognising and writing — stroke-order checking on a drawing pad, confusion drills and smart multiple-choice distractors.
stack: JavaScript · IndexedDB · Service Worker · KanjiVG · Node.js · GitHub Pages
This site — a coffee-themed portfolio, know-how base and personal feed with a phone-friendly admin.
stack: React · TypeScript · Vite · Tailwind · Firebase · Cloudinary · Vercel
Procedural wallpapers in a retro-futurist, Braun-industrial style — rendered on canvas in the browser at any resolution, with presets for iPhone, Mac, iPad, Apple Watch and 4K/5K.
stack: JavaScript · Canvas 2D · HTML · CSS · GitHub Pages
University assignment in C++ — load BMP images and process every pixel through self-written stacks, queues and linked row lists, without the STL and without memory leaks.
stack: C++17 · CodeLite · Make
Drill Japanese verb conjugation with Anki-style spaced repetition — romaji→kana input, 13 forms, JLPT filter and example sentences with automatic furigana after every answer.
stack: JavaScript · HTML · CSS · WanaKana · kuromoji.js · GitHub Pages
A time-attack PWA for practising Japanese flick typing on the iPhone keyboard — installable from Safari, offline, with scores and streaks.
stack: React · TypeScript · Vite · Tailwind · Workbox · GitHub Actions
A gamified Python dojo that runs real CPython in the browser via Pyodide — trilingual (EN / DE / 日本語), sumi-e dark theme, no backend at all.
stack: JavaScript · Pyodide · CodeMirror · HTML · CSS · Vercel