Adrian Połubiński
IT Mentoring & Consulting at GreenOn Software
Warmian-Masurian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolAdrian Połubiński is a seasoned full-stack TypeScript developer with roughly a decade of experience, specializing in React and modern Next.js stacks while also comfortable with Angular, Node and Nx. He leads frontend teams at Billennium and runs GreenOn Software, where he combines client work with mentoring, consulting, and daily content creation around practical web development. Adrian publishes tooling and writing—most notably the 4markdown app and a blog creator—demonstrating a focus on improving developer workflows and content-driven growth. He brings hands-on experience building UIs, server-side Node solutions, and desktop apps, plus a history of progressing from freelance UX/UI work to senior and tech lead roles. Based in Poland’s Warmian-Masurian region, he pairs pragmatic engineering with community engagement and an atypical personal touch: a chubby cat, occasional guitar tinkering, and a willingness to candidly critique tools like Next.js 12+.
9 years of coding experience
10 years of employment as a software developer
Engineer's degree, Computer Science, Engineer's degree, Computer Science at Uniwersytet Warmińsko-Mazurski w Olsztynie
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (3)
ansible-collections4
capistrano3
oms2
Programming languages (4)
Github contributions (5)
polubis/ProjectManagementApp
Feb 2020 - Jul 2021
Contributions:163 reviews, 453 commits, 261 PRs in 1 year 5 months
polubis/4markdown
Dec 2023 - Apr 2025
Contributions:9 reviews, 519 PRs, 3264 pushes in 1 year 3 months
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