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Achievement: StarstruckAchievement: Pair Extraordinairex3Achievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

Achievements

Achievement: StarstruckAchievement: Pair Extraordinairex3Achievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

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@spree @Okazjum @GetBadges @EnviroMonitor

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justi/README.md

Hi, I'm Justyna ๐Ÿ‘‹

๐Ÿ“ Poznaล„, Poland | ๐Ÿ’Ž Ruby on Rails Engineer | ๐Ÿš€ Building production apps

Ruby Rails JavaScript PostgreSQL Hotwire Tailwind Codex Claude macOS OpenCode Web

Full-stack Rails developer shipping production apps โ€” from health tools and EdTech to SaaS platforms and marketing automation. AI-assisted, human-driven.

Production Projects

  • ๐Ÿ›’ Snipe Sale ๐Ÿ‡ฌ๐Ÿ‡ง๐Ÿ‡ต๐Ÿ‡ฑ โ€” Track promotions from niche shops, not products
  • ๐Ÿฅ‘ KetoLabs.pl ๐Ÿ‡ต๐Ÿ‡ฑ โ€” Keto/LCHF/LCHP education hub โ€” built it because I follow LCHF myself
  • โœ๏ธ OutlineShare ๐Ÿ‡ฌ๐Ÿ‡ง โ€” LinkedIn content workflow: write, schedule, publish, grow
  • ๐ŸŽจ Logorithmy ๐Ÿ‡ฌ๐Ÿ‡ง โ€” Online logo maker with server-side ImageMagick rendering
  • ๐Ÿ“ CramZap ๐Ÿ‡ฌ๐Ÿ‡ง / Odpytywarka.pl ๐Ÿ‡ต๐Ÿ‡ฑ โ€” Upload a PDF, get an interactive quiz (OpenAI-powered)
  • ๐Ÿ” HybridRanking ๐Ÿ‡ฌ๐Ÿ‡ง โ€” SEO auditing tool with real-time analysis
  • ๐ŸŽญ PersonaTool ๐Ÿ‡ฌ๐Ÿ‡ง โ€” Product-market fit testing with LLM-generated synthetic personas
  • ๐Ÿšง Reddit Promo Planner ๐Ÿ‡ฌ๐Ÿ‡ง โ€” AI-powered Reddit promotion scheduling via LLM (under construction)
  • ๐Ÿ’ฐ PriceScanner โ€” Ruby gem for multi-currency price extraction from text
  • ๐Ÿ”’ claude-code-project-boundary โ€” Claude Code plugin: scope-aware protection for destructive ops within project boundaries
  • ๐Ÿ’ช stimulus-password-strength โ€” Importmap-friendly Rails 8 password strength field with Stimulus & zxcvbn

What I'm About

  • Rails 8 all the way โ€” Hotwire, Turbo, Stimulus, no heavy JS frameworks needed
  • AI-augmented development โ€” Claude Code (agents, skills, commands, hooks) and OpenAI to ship faster
  • Ship it โ€” from idea to production in days, not months
  • Solo founder mode โ€” designing, building, deploying, and marketing entire products

Connect

Twitter LinkedIn Website GitHub

I architect, direct UX, and orchestrate AI agents โ€” they code, I steer. Powered by Polish coffee โ˜•

Pinned Loading

  1. claude-code-project-boundary claude-code-project-boundary Public

    Claude Code plugin: scope-aware protection โ€” allows destructive ops (rm, mv, chmod) within project, blocks them outside. Built for dangerouslySkipPermissions mode.

    Shell 36 1

  2. ruby_llm-contract ruby_llm-contract Public

    Know which LLM model to use, what it costs, and when accuracy drops. Companion gem for ruby_llm.

    Ruby 20

  3. Claude Code hook: safe image read wi... Claude Code hook: safe image read with subprocess proxy โ€” unlimited images per session, auto-context from transcript, prompt injection resistant
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    # Claude Code Hook: Safe Image Read (with Proxy Mode)
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    ## Problem
    
              
    
              
    
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    Claude Code's `Read` tool fails with **API Error 400: "Could not process image"** when reading:
    
              
    
          
    
    
    
  
    

    4.