Grzegorz Tańczyk
Senior Software Engineer at Gamedev.pl
Gdańsk, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Tańczyk is a Senior Software Engineer with 13 years of experience building scalable web products and measurement systems, now contributing at Google from Gdańsk. He combines deep frontend and backend expertise—shipping features like Jira’s rich text editor and cross-domain viewability measurement long before modern browser APIs—with product-minded leadership that grew Whiteboards from an after-hours project into a profitable, team-led business. His background spans startup founding, data engineering, automated fraud detection, and launching SaaS on marketplaces, reflecting both entrepreneurial grit and enterprise-scale delivery. A mathematician by training, he blends rigorous problem solving with a lifelong passion for game development that continues to inform his creative approach to engineering.
13 years of coding experience
18 years of employment as a software developer
Mathematics and Computer Science, Mathematics and Computer Science at Uniwersytet Kardynała Stefana Wyszyńskiego
English, Polish
Github Skills (92)
trello10
notion10
wysiwyg10
visualizations10
collaboration10
todoist10
javascript10
project-management10
gulp10
golang10
highcharts10
asana10
forum10
text-editing10
editing10
Programming languages (5)
Github contributions (5)
gtanczyk/genaicode
Jul 2024 - Apr 2025
GenAIcode is a multi modal coding assistant implemented entirely in TypeScript/Node.js/React. It works with multiple LLMs. It can be used as a CLI tool or via GUI(local web).
Contributions:14 PRs, 519 pushes, 9 branches in 8 months
aiclaudecode-generationcodegencodellm
gtanczyk/p2p-pong
Oct 2012 - Nov 2012
Contributions:55 commits in 1 month
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