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61 followers · 38 following

Achievements

Achievement: YOLOAchievement: Starstruckx2Achievement: Pair Extraordinairex2Achievement: Public SponsorAchievement: Galaxy BrainAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

Achievements

Achievement: YOLOAchievement: Starstruckx2Achievement: Pair Extraordinairex2Achievement: Public SponsorAchievement: Galaxy BrainAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

Highlights

  • Pro

Organizations

@EpicGames @exceljs

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Siemienik/README.md

👋 Siema, say hello to open source!

Hi, I'm Siemienik, a passionate software developer specialized in creating reusable tools, modules, and open-source components. I am currently open for job opportunities and available for B2B projects.

🌟 Featured Projects

🌐 Connect with me

🚀 Open Source Support Group

I'm planning to create a group of people who will support the development of selected open-source projects. We'll communicate on Discord and you can support me on GitHub Sponsors. Feel free to join our community and contribute to the world of open-source software!

💼 Job Opportunities and B2B Projects

I am currently open for job opportunities and available for B2B projects. With extensive experience in software development, team leadership, and project management, I am well-versed in multiple programming languages, frameworks, and databases. For more information about my professional background, please refer to my CV below or check my LinkedIn profile.

📄 View my CV

Metrics

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  1. exceljs/exceljs Public

    Excel Workbook Manager

    JavaScript 14.2k 1.8k

  2. SiemaTeam/Spreadsheets Public archive

    Forked from exceljs/exceljs

    Spreadsheets Workbook Manager

    7

  3. XToolset Public

    Typed import, and export XLSX spreadsheet to JS / TS. Template-based create, render, and export data into excel files.

    TypeScript 176 35

  4. handsontable/handsontable Public

    JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡

    JavaScript 20.8k 3.1k

  5. facebook/docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 59.2k 8.9k

  6. handsontable/spreadsheet-viewer Public

    Spreadsheet Viewer is a developer-friendly JavaScript tool that lets your users preview Excel files without leaving your web app

    38 10

51 contributions in the last year

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Activity overview

Contributed to exceljs/exceljs
Loading A graph representing Siemienik's contributions from March 31, 2024 to April 04, 2025. The contributions are 57% commits, 29% pull requests, 8% issues, 6% code review.

Contribution activity

April 2025

Siemienik has no activity yet for this period.
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