Skip to content
You must be logged in to sponsor Siemienik

Become a sponsor to Siemienik Pawel

@Siemienik

Siemienik Pawel

Siemienik
European Union

πŸ‘‹ 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

πŸš€ 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!

πŸ’Ό 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.

πŸ“„ View my CV


Metrics

4 sponsors have funded Siemienik’s work.

Private Sponsor
@ursvasanthkn
@kasrak
Private Sponsor

Featured work

  1. exceljs/exceljs

    Excel Workbook Manager

    JavaScript 13,943
  2. Siemienik/XToolset

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

    TypeScript 174
  3. handsontable/handsontable

    JavaScript data grid with a spreadsheet look & feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚑

    JavaScript 20,244

Select a tier

$ a month

Choose a custom amount.

$10 a month

Select

Buy me a coffee β˜•