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

Achievements

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

Organizations

@ruby @near-ndc

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afurm/README.md

Andrii Furmanets

Senior full-stack engineer in Lviv, Ukraine. Rails since 2012, React/Next.js/TypeScript since; still ships both sides. Founder of FolioFlux. Remote worldwide.

What I build now

  • FolioFlux — wallet-first crypto portfolio tracker (Next.js + Rails 8 API). Sole engineer since 2024.
  • rails-agent-kit — Ruby gem: MCP server + Cursor skills so coding agents get ground truth (schema, routes) for a Rails 8 app.
  • Draftmora — local-first open-source task board + chat + npm CLI; agent proposals with explicit human approval.
  • mono-ledger-sync — local-first Monobank ledger (TypeScript, SQLite, npm).

Also: production AI workflows (Cursor, n8n, Make); a free Calendly-style booking flow (Google Calendar + Telegram); a minimal SaaS in launch.

Open-source (selected merges)

Active contributor across Ruby/Rails and ecosystem gems. Highlighted in This Week in Rails (2 Oct 2026) for except_on validation matching.

Project PR
rails/rails Fix except_on error matching · Reject malformed hosts · Action Mailbox ingress hardening
ruby/ruby Lazy#zip array conversions
sidekiq/sidekiq Reject non-finite Floats in strict args
varvet/pundit PolicyFinder#param_key for Symbol records
lostisland/faraday Decode indexed nested arrays in order
openclaw/openclaw Strip auth cookies on cross-origin redirects
rails/globalid Skip GIDs with mismatching model_id

More: merged PRs on rails/rails · org:ruby · all external

Stack

Ruby on Rails · React · Next.js · TypeScript · GraphQL · PostgreSQL/MySQL/SQLite · Node/Fastify · Playwright · MCP / agent tooling

Fintech, SaaS, Web3, and developer-facing products — 10+ years in production.

Elsewhere

andriifurmanets.com · X @furmanets · Telegram «Як вижити розробнику»

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