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Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Achievements

Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

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unmanbearpig/README.md

Ivan Fedyunin

I'm a senior backend engineer with 15+ years building and running production systems, mostly with Ruby on Rails and PostgreSQL. My current product work uses Go and Python. I'm looking for backend and product engineering work, especially in Go.

Selected work

  • HostelPunk: a hostel-discovery product I built and run with Go, Python and PostgreSQL/PostGIS. Normalized 74M reviews from four sources and matched 22,600 properties across their catalogs. Architecture and project notes.
  • Go/PostgreSQL work sample: my implementation of Fintual's Backend/DevOps interview exercise, with API behavior tests, SQL optimization and documented benchmarks.
  • lsend: a scriptable LocalSend-compatible CLI in Rust. It adds persistent identity, JSON output, explicit receive policies and file-handling safeguards around the official LocalSend Rust core. The project write-up describes the development process and AI assistance.

I also contribute to open source, including RuboCop and Herdr.

CV · Professional website · Technical writing · LinkedIn · Email

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  1. lsend lsend Public

    Scriptable LocalSend-compatible Rust CLI with explicit receive policies, persistent identity, JSON output, file-handling safeguards, and integration tests.

    Rust

  2. claudex-limits claudex-limits Public

    Monitor Codex and Claude quotas in your terminal with live charts, persistent history, JSON output, and an account-free demo. Written in Go.

    Go

  3. unmenu unmenu Public

    macOS launcher forked from dmenu-mac, adding Rust-backed fuzzy matching, Accessibility API hotkeys, configuration, and script integration.

    Swift 13 4

  4. key_fortress key_fortress Public

    Firefox extension that prevents configured websites from intercepting selected keyboard shortcuts.

    JavaScript

  5. blinky-from-scratch blinky-from-scratch Public

    Educational bare-metal Rust for STM32F103: blink an LED with custom reset handling and register-level programming, without a runtime library.

    Rust