Grzegorz Karpiak
Freelance Full Stack Software Engineer at KREATOR
Subcarpathian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Karpiak is a Freelance Full Stack Software Engineer with two decades of hands-on development experience and over 10 years in senior and lead engineering roles, specializing in transforming technical debt into scalable, high-load web systems. He spans the full stack—PHP, JavaScript/TypeScript, Node.js, databases and UI/architecture—and has led teams and delivery at companies like G2A and Amsterdam Standard. Comfortable juggling client-facing project management and deep technical work, he consistently delivers tailored, production-ready solutions and drives quality assurance and architecture planning. Based in Subcarpathian Voivodeship, Poland, he combines an M.Eng. background in Materials Engineering with postgraduate software engineering studies, a blend that explains his methodical, systems-oriented approach to complex software problems.
10 years of coding experience
15 years of employment as a software developer
postgraduate studies Software Engineering, postgraduate studies Software Engineering at Politechnika Rzeszowska im. Ignacego Łukasiewicza
English, Polish, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
php-library10
seo10
outlook8
microsoft-graph8
office3657
onenote7
sharepoint6
sdk6
php5
onedrive4
Programming languages (1)
Github contributions (5)
grgk/seo-analyzer
Dec 2018 - Apr 2020
Basic PHP library to check several SEO metrics of a website
Contributions:1 release, 72 commits, 10 PRs in 1 year 4 months
php-libraryseo
grgk/seo-analyzer-example
Aug 2019 - May 2023
Seo-analyzer example
Contributions:1 PR, 2 pushes, 1 branch in 3 years 10 months
seo
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