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Boro Sitnikovski

Code Wrangler at Automattic

@bor0 Skopje, MK joined Jan 2017

refl.blog github.com/bor0 Slack: @bor0
    Languages mk

    Bio

    Hi there!

    My name is Boro Sitnikovski. I have a Master’s degree in Informatics and work professionally as a Software Engineer.

    I work at Automattic. I contribute to a lot of open-source projects. That is because I am a strong believer in open source. I am happy to do this, knowing that the code I write runs on millions of machines and has a positive impact. I also learn a lot on the way to doing this.

    Author of:
    – Introducing Software Verification with Dafny Language
    – Introduction to Dependent Types with Idris
    – Introducing Blockchain with Lisp
    – The Mirrors In Us

    Interests

    life, psychology, mathematics

    Badges

    CODE
    2 badges
    Core Contributor '17 Plugin Developer
    CONTENT
    1 badge
    Documentation Contributor '17
    COMMUNITY
    1 badge
    WordCamp Speaker '23
    POLYGLOTS
    1 badge
    Translation Contributor '18

    Current Job

    Code Wrangler
    Jan 2017 – Present
    Automattic · Full-time
    DevEx: Designing and contributing to projects aimed at enhancing the engineering culture, which includes hiring, mentoring, conducting workshops, tooling, and refining processes. WooCommerce: Improvements, bug fixes, architecture, and tooling for core, extensions, and woo.com. Technologies: PHP, SQL, JS, C (php-src), Lua, Docker, Claude/Codex.

    Key Accomplishments

    Certificate: EMC E20-120 Content Management Foundations u2013 PearsonVUE OIC, 2011
    Certificate: Introduction to Philosophy u2013 The University of Edinburgh (Coursera), 2022
    Certificate: META101x: Philosophy and Critical Thinking u2013 The University of Queensland (edX), 2023
    Certificate: Introduction to Psychology u2013 Yale University (Coursera), 2023
    Acquired 3rd place at XVII State Programming Contest u2013 ZIM/PMF, Berovo, 2006
    Acquired 4th place at the 1st Republic Informatics Contest u2013 Alexandria, Skopje, 2007
    Acquired 1st place (harder group) at XV Regional Programming Contest u2013 ZIM/PMF, Skopje, 2007
    Bachelor's degree in Informatics, FON University, 2015/2022. Theses: Programming in Haskell using algebraic data structures; Implementing a programming language and a theorem prover
    Master's degree in Informatics (Software Engineering), University of Skopje, 2020. Thesis: Formal verification of Instruction Sets in Virtual Machines
    Published paper: PubSub implementation in Haskell with formal verification in Coq, 17th International Conference on Informatics and Information Technologies, 2020
    Published paper: Implementing virtual organizations in the Western Balkan Countries (WB6), International Journal of Humanities, Art and Social Studies, 2020
    Published paper: Formalizing line editors in Coq, arXiv:2006.03525, 2020
    Published paper: Models for software verification: Proving program correctness, ICONBEST, 2020
    Published paper: Tutorial implementation of Hoare logic in Haskell, arXiv:2101.11320, 2021
    Published paper: Integrating a Virtual Machine on a system-on-a-chip, ICEST u2013 IEEE, 2022 (also featured on Hackaday magazine)
    Published paper: Budge: A programming language and a theorem prover, Central Asian Journal of Mathematical Theory and Computer Sciences, 4(4), 41-45, 2023
    Authored book: Introduction to Dependent Types with Idris, Amazon KDP, 2018; re-published with Apress, 2023
    Authored book: Introducing Blockchain with Lisp, Apress (Springer), 2021
    Authored book: Introducing Software Verification with Dafny Language, Apress (Springer), 2022
    Authored book: The Mirrors in Us, Lulu Press, 2025

    Recent impact

    Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.

    Last 30 days
    7contributions
    high3
    medium4
    score13
    Last 90 days
    32contributions
    high18
    medium14
    score68
    Last 12 months
    43contributions
    high25
    medium18
    score93

    WordPress releases

    Contributed to 10 releases
    • 7.0
    • 6.9
    • 6.8
    • 6.4
    • 6.3
    • 5.3
    • 5.1
    • 4.9
    • 4.8
    • 4.7

    Contributions

    Type
    June 2026
    Jun 02 Tue · 13:58
    Core high
    Mentioned in [62448] on WordPress SVN:
    Plugins: Hide the search form on the Favorites tab.
    Jun 01 Mon · 14:00
    Meta med
    Wrote a comment on the post Help test new career functionality on WordPress.org, on the site Make WordPress Test:
    Thanks for the testing results! Some great findings there. I fixed these in r (sent…
    May 2026
    May 28 Thu · 20:24
    Meta med
    Closed ticket #8265 on Meta Trac:
    Profiles: Job fields overflow causing an unintended ...
    May 26 Tue · 21:41
    Meta med
    Wrote a comment on the post Request for additional cli utils on .org sandbox, on the site Make WordPress Systems:
    I was planning to use my A8c-generated API key, which I used for e.g. Haydi,…
    May 26 Tue · 09:24
    Meta med
    Wrote a comment on the post Request for additional cli utils on .org sandbox, on the site Make WordPress Systems:
    Hey @762e5e74, just curious if there's any update regarding claude :)
    May 22 Fri · 06:59
    Core high
    Mentioned in [62408] on WordPress SVN:
    Plugins: Improve hook performance by using `spl_object_id()` instead of `spl_object_hash()` to construct unique IDs.
    May 19 Tue · 21:40
    Core med
    Submitted pull request #11865 to WordPress/wordpress-develop:
    Plugins: Speed up hooks addition/removal by ~26%.
    April 2026
    Apr 30 Thu · 20:11
    GitHub med
    Closed issue #620 on the WordPress/wordpress.org repository:
    Jobs section for profile.wordpress.org: move current job info into new section
    Apr 30 Thu · 19:27
    GitHub med
    Closed issue #618 on the WordPress/wordpress.org repository:
    Unable to turn off "open to work"
    Apr 30 Thu · 19:27
    GitHub med
    Closed issue #619 on the WordPress/wordpress.org repository:
    Jobs section for profile.wordpress.org: only ask for month and year for roles

    Contributor

    Plugins

    Македонски јазик (Macedonian) Translation Contributor - #mk_MK

    WordPress 4.9.x, WordPress 5.0.x, WordPress 5.1.x, WordPress 5.2.x, WordPress 5.3.x, and WordPress 7.0.x - Development